Modelling Piping Networks - HYSYS Steady State, HYSYS Hydraulics or HYSYS Dynamics? Modelling piping networks can be a challenging engineering task and sometimes it can be a mixture of both science and art, especially because there are a large number of factors to take into account before starting to build a model. Whenever you create a New Case, HYSYS opens to the Components tab of the Simulation Basis Manager. Design Courses 2. The simulation is conducting by Aspen Hysys software by applied some steps. For example, if the operating pressure for a vessel is controlled by a PCV, the inlet stream pressure to. 2498-2506 Research Area Chemical Engineering. Formula Choose the way you want by selecting the corresponding button above the list of components. Each of the entities (e. hysys for pressure relief. HYSYS has created a Fluid Package with the default name Basls-1. basic understanding of the steps and tools used to build a HYSYS simulation. Most of the time, as with this example, you will require only one Fluid Package for your entire simulation. There are some journal articles [1-4], and 3 of them have used the process simulation program Aspen Plus. Workshop 1 -Use Aspen Plus! 4. This document shows two examples of aplication of a simulation software, in this case HYSYS, to a real situation in an oil refinery: a crude destination model and a sour water stripper model. In each simulation process determination of a proper equation of state is very important to measure thermodynamic features such as phase balances, density, enthalpy etc. , real world, model, simulation, and experimental frame) will be described as a system known or specified at some level of specification. 2) Selection of fluid package. 2 Scope The scope of this project includes designing a model over the low pressure gas compression part of the mentioned platform in HYSYS DynamicsTM 7. Basic Engineering. Remember that we are running HYSYS PLANT. Using for graduate education 7. Ammonia synthesis loop hysys next Effective essay writing tips And while the typical parent. EAP2510: CO2 Removal Processes Using Aspen Plus. 4 Steady state simulation and optimization The expected Khurmala amine gas sweetening plant is simulated by using the latest version of Aspen HYSYS V. 3 Results Analysis. event simulation is used when only quantum changes in the system state are considered important. PLUS, ASPEN HYSYS, PRO II, and CHEMCAD. 32862 lb/gal = 997. This is an very. Additionally to this book, on our website you can read the manuals and. com Page | 43 Figure 3. Remember, a solution provided by any software could be deceptive if you don't know the mathematics and engineering behind i. Vapor-Liquid Equilibrium. A comprehensive and practical resource, the text uses both Aspen Plus and Aspen HYSYS simulation software. Process Simulation using HYSYS V8 Process Simulation Using Aspen HYSYS V8. Additionally to this book, on our website you can read the manuals and. , real world, model, simulation, and experimental frame) will be described as a system known or specified at some level of specification. But with the application of the correlation model setup in HYSYS, it was possible to remix the phases to real life situation by specifying the dispersions at the inlets and droplets sizes. Aspen HYSYS is an integrated package for both steady state and dynamic simulation, and it is a key application. HYSYS Thermodynamics To comprehend why HYSYS is such a powerful engineering simulation tool, you need look no further than its strong thermodynamic foundation. The components or the blocks or the equipment's 15 3. Read Online Aspen Hysys Simulation Of Sulfuric Acid Plantfavorite novels like this aspen hysys simulation of sulfuric acid plant, but end up in harmful downloads. 2 Simulation in Aspen HYSYS(R) 3. ences on process simulation of CO2 removal from exhaust gases at atmospheric pressure. Then, you may Open the example file. Remember that we are running HYSYS PLANT. Applications for this include design studies, engineering studies, design audits, debottlenecking studies, control system check-out, process simulation, dynamic simulation, operator training simulators, pipeline management systems, production management systems, digital twins. Aspen Plus application examples A suite of sample online Aspen Plus The Aspen Plus manuals are delivered in Adobe portable document format (PDF) on the Aspen Plus Documentation CD. The compressor shutdown will also lead to Compressor System Suction shutdown valve (SDV) and Discharge SDV to shut close and the anti-surge and/or capacity control valve open. 7 mol % (62. Aspen Hysys Simulation 12 3. The inherent flexibility contributed through its design, combined with the unparalleled accuracy and robustness provided by its property package calculations leads. 1 Modeling Compressors with HYSYS The result is the mechanical. SOFTWARES AVAILABLE Aspen Hysys, Aspen Plus, Unisim, Pro II, Flarenet, Pipesim, Pipenet, etc 3. Therefore, if you can only take ONE tip -> work a lot with the software! it WORKS! Check out my e-book if you haven't. Therefore, in process simulation, we are given the process inputs and flow sheet and are required to predict process outputs. The Aspen HYSYS dynamic simulation package has the capacity to reach a wide audience by offering the following features demanded by industry: โ€ข Accuracy. You may read Aspen hysys simulation basis manual online or load. ences on process simulation of CO2 removal from exhaust gases at atmospheric pressure. Note that a minus sign is automatically added for numbers in the Coefficient column in the Reactants frame. In addition, mole fraction of the component and molar flow rate for the distillate and the bottom product is given at the state- steady simulation results in Table 2. Note that I am using the same Units Set that was used in the Tutorial (essentialy Field, with Liquid Volume Flow set to USGPM. Download full-text PDF. Discussion about the general approach and the key elements for successful simulations. Simulation software is one of the best tools for a crude oil refinery. Use the bookmarks to the left to go to a specific page. You could not deserted going in the same way as ebook buildup or library or borrowing from your connections to get into them. Aspen HYSYS Dynamics Training Course (English Version) You must specify a pressure drop across resistance operations to run a dynamic simulation Pressure Node and. Workshop 2 -More hand's on 8. The Dynamic Simulation Software such as Aspen plus Dynamics, PRO/II DYNSIM and Aspen HYSYS Dynamics are some of the widely used applications in chemical and *Corresponding Author Email: [email protected] Computer Simulation Using your knowledge and resources on Batch Distillation Theory, develop a theoretical basis o The HYSYS Plant flowsheet simulation package can be run in dynamic mode for this purpose. Chemical Process Design and Simulation is an accessible guide that offers information on the most important principles of chemical engineering design and includes illustrative examples of their application that uses simulation software. 3 was used to. Four crude data's are taken for the simulation and are analyzed. Simulation of Rotating Operations (Pump, Compressor, Expander) with Aspen Hysys. A great resource is the SOLIDWORKS website (SOLIDWORKS. But with the application of the correlation model setup in HYSYS, it was possible to remix the phases to real life situation by specifying the dispersions at the inlets and droplets sizes. HYSYS Basic simulation for Beginners - Duration: 31:20. How to start a simulation in Aspen Hysys 1) Start Aspen Hysys from the menu 2) Define a New case 3) Define all the components in your case 4) Choose Peng Robinson (Equation of state) 5) Enter the "simulation environment" 6) To specify composition: Left click on mole flow or mass flow and specify fractions or flows of each component. Example for modelling course: Sequential modular flowsheeting, algorithms, etc. Paseo de la Reforma 412, Piso 9Mexico. This information can then be used in an iterative fashion to optimize the design. Short-cut methods have been developed that allow you to see the splits that can be achieved at different pressures, with different reflux ratios, and with a different number of stages. Special attention has been given to the steady state modeling using proprietary equipment data of. How To Save A Hysys Result As A Pdf File. The simulation was divided in three various operational conditions, start of run, middle of run and end of run. It is powerful program that you can use to solve all kinds of process related problems. 4-2 in Elementary Principles of Chemical Process by Felder and Rousseau. some of the basic concepts of building a simulation in HYSYS. Mathematical Programming and Optimization of Multi-Plant Operations and Process Design. How To Save A Hysys Result As A Pdf File. After completing a simulation go to the toolbar and select View and then Report. These databases are very important when designing distillation columns. Rather than reading a good book with a cup of coffee in the afternoon, instead they are facing with some malicious bugs inside their laptop. Download full-text PDF. For this example, a new unit set will be made based on the HYSYS Field set, then customize the new set: 1. A quick tutorial regarding the location of the buttons and commands in the newer version of HYSYS comparing to the old version described in the handout. Hysys Simulation Examples Reactor Slibforme [DOC] Hysys Simulation Examples Reactor Slibforme Recognizing the habit ways to acquire this ebook Hysys Simulation Examples Reactor slibforme is additionally useful. Pre-design or flowsheeting courses 3. Set up the workflow for dynamic simulation to stress analysis (3:49) Next. Ammonia synthesis loop hysys next Effective essay writing tips And while the typical parent. Ahmed Deyab Fares - Mobile: 002-01227549943 - Email: [email protected] 6 We have a stream containing 15% ethane, 20% propane, 60% i-butane and 5% n-butane at 50ยฐF and atmospheric pressure, and a flow rate of 100lbmole/hr. Natural gas is an important energy source among other sources of fossil fuels. Before laying hands on any software I would suggest you to have a thorough knowledge about the models you are working with. How to start a simulation in Aspen Hysys 1) Start Aspen Hysys from the menu 2) Define a New case 3) Define all the components in your case 4) Choose Peng Robinson (Equation of state) 5) Enter the "simulation environment" 6) To specify composition: Left click on mole flow or mass flow and specify fractions or flows of each component. " Another good example to try is "Post-combustion CC - MEA" under the Carbon Capture folder. Lokesh Kumar Singh 16,545 views. 1 If HYSYS is left in HOLDING mode, calculations can be activated by clicking the Solver Active icon in the Toolbar. A point on the saturated-liquid or bubble-point curve in a TXY diagram for a binary mixture of chemical components is defined mathematically as follows: ๐‘ฅ๐ฟ๐พ,๐‘ฆ๐ฟ๐พ,๐‘‡๐‘๐‘ = ๐‘ฃ๐‘™๐‘’๐‘ก ๐‘‰๐‘“= 0,๐‘ƒ,๐‘ง๐ฟ๐พ,๐‘ง๐ป๐พ LK. Introduction. event simulation is used when only quantum changes in the system state are considered important. NRTL model is generally suggested for highly non-ideal chemical systems and can be used for both VLE and LLE applications [18, 21]. (1989), Gass (1993), and Gass and Joel (1987) for examples of scoring models. Aspen HYSYS Dynamics Training Course (English Version) You must specify a pressure drop across resistance operations to run a dynamic simulation Pressure Node and. A model has been developed using the simulation tool HYSYS DynamicsTM by AspenTech. A Fluid Package, at minimum, contains the components and property method that Aspen HYSYS will use in its calculations for a particular flowsheet. How To Save A Hysys Result As A Pdf File. Whenever you create a New Case, HYSYS opens to the Components tab of the Simulation Basis Manager. Once HYSYS is installed on your computer, the next step is to open the software. txt) or view presentation slides online. Basic Engineering. Solution chemistry has a major impact on the simulation of electrolyte systems. 6 !! i tried to take scree shot but when i print it on A3 format paper streams are not very clear ! Help ! thanks. What ever you are trying to do, if you used one of the above methods, HYSYS will not open with the correct Preference File. txt) or read online. These databases are very important when designing distillation columns. Note that a minus sign is automatically added for numbers in the Coefficient column in the Reactants frame. Scott Fogler. Using for graduate education 7. The report window has a Display report for block with a drop down arrow. 100,000 barrel/day of Arabian Light. As a beignner please help me. 3, and to validate and evaluate this model. 2 General Aspects 3. Simulation of Rotating Operations (Pump, Compressor, Expander) with Aspen Hysys. field in which process simulation can be of great help. Aspen Plus application examples A suite of sample online Aspen Plus The Aspen Plus manuals are delivered in Adobe portable document format (PDF) on the Aspen Plus Documentation CD. 1 Introduction 3. A point on the saturated-liquid or bubble-point curve in a TXY diagram for a binary mixture of chemical components is defined mathematically as follows: ๐‘ฅ๐ฟ๐พ,๐‘ฆ๐ฟ๐พ,๐‘‡๐‘๐‘ = ๐‘ฃ๐‘™๐‘’๐‘ก ๐‘‰๐‘“= 0,๐‘ƒ,๐‘ง๐ฟ๐พ,๐‘ง๐ป๐พ LK. Process Design Simulation: Fundamentals - Dynamic Modelling Using UniSim Design Suite UniSim Design Dynamics. Aspen HYSYS has established itself as a very intuitive and easy to use process simulator in oil and gas refining industry. Aspen as we build a simulation of an acetone/water extraction-distillation process. Furthermore, the surface area of the heat exchanger is proportional to the amount of heat that can be transferred and is the most indicative cost component of a heat exchanger (Wilcox, 2009). 3 tutorial pdf simulation with each tutorial, it is highly recommended that you save your work emphasize one particular feature of Aspen that is covered in the tutorial for that. The inherent flexibility contributed through its design, combined with the unparalleled accuracy and robustness provided by its property package calculations leads. Specified were a 99%. 43ยฐ C by hand calculation while it is 133. They may not reflect an industrial application or real situation. ะŸะพะดั€ะพะฑะฝะพัั‚ะธ. hysys for pressure relief. Chemical Process Design and Simulation is an accessible guide that offers information on the most important principles of chemical engineering design and includes illustrative examples of their application that uses simulation software. Paseo de la Reforma 412, Piso 9Mexico. It comes with a large sample database of vehicle examples, to get. Computer Simulation Using your knowledge and resources on Continuous Distillation Theory, develop a theoretical basis for o The HYSYS Plant flowsheet simulation package can be run in dynamic mode for this purpose. limitations of dynamic modeling in the applied simulation tool. La thermodynamique dans HYSYS ร‰quations d'รฉtat Page 3 A-10 Property Methods A-10 Kabadi Danner This KD4 model is a modification of the original SRK equation of State, enhanced to improve the vapour-liquid-liquid equilibria calculations for H2O-hydrocarbon systems, particularly in the dilute regions. Aspen Hysys Simulation 12 3. There are some journal articles [1-4], and 3 of them have used the process simulation program Aspen Plus. Introduction. This stream is to be compressed to 50 psia and then cooled to 32ยฐF. Reactor Kinetics. The course runs over three days. Update refinery planning models with streamlined workflows using process simulation solutions calibrated to plant operations; solve large-scale models quickly through equation-oriented solver technology; optimize integrated CDU and preheat trains operations leveraging real-time. This is course on Plant Simulation will show you how to setup hypothetical compounds, oil assays, blends, and petroleum characterization using the Oil Manager of Aspen HYSYS. Hanyak, Jr. HYSYS will not allow you to change any of the three default unit sets listed. A quick tutorial regarding the location of the buttons and commands in the newer version of HYSYS comparing to the old version described in the handout. Effect of Flowrate 25. Select New on the Start Page, select Blank and Recent | Blank Simulation, press the. 0 of Aspen Plus and Aspen HYSYS have been used. The resulting vapor and liquid are to be separated as the two. ences on process simulation of CO2 removal from exhaust gases at atmospheric pressure. It is fed to a catalytic reactor, which operates isothermally and converts 15 mol% of the n-. 2) was used to simulate the tower. Each of the entities (e. In this project, the well known kind of multi components (n-butane, n-pentane and benzene) is chosen as the example to run this simulation by using multiple distillation columns. It is usually produced saturated with water vapor under production conditions. Hysys-Simulation-Examples-Reactor-Slibforme 1/3 PDF Drive - Search and download PDF files for free. This will open the report window. The purpose of this research is to observe the dynamics simulation of Vinyl Chloride Monomer (VCM) process particularly in reaction section. Rather than reading a good book with a cup of coffee in the afternoon, instead they are facing with some malicious bugs inside their laptop. Workshop 1 -Use Aspen Plus! 4. Getting results fro the unit Block in Aspen HYSYS V8. vi Aspen Plus User Guide Version 10. Basic Engineering. Energy Balances. Blowdown Analysis Improvements With the UniSim ยฎ Design Blowdown Utility Executive Summary Blowdown, the emergency or planned depressuring of process equipment, is a critical process safety operation. Scott Fogler. The Simulation Basis Manager allows you to create, modify, and otherwise manipulate Fluid Packages in your simulation case. Text If filename <> "False" And simCase Is Nothing Then. Among these Aspen HYSYS Dynamics (Version 7. Application") hyApp. hysys control valve sizing. Edit the cylindrical joint (3:42) Completing the project. Process Simulation using HYSYS V8 Process Simulation Using Aspen HYSYS V8. 100,000 barrel/day of Arabian Light. Equilibrium Thermodynamics. Reactor Kinetics. Paseo de la Reforma 412, Piso 9Mexico. A quick tutorial regarding the location of the buttons and commands in the newer version of HYSYS comparing to the old version described in the handout. How to start a simulation in Aspen Hysys 1) Start Aspen Hysys from the menu 2) Define a New case 3) Define all the components in your case 4) Choose Peng Robinson (Equation of state) 5) Enter the "simulation environment" 6) To specify composition: Left click on mole flow or mass flow and specify fractions or flows of each component. Begin by adding a Spreadsheet to the simulation ( on the Object Palette). Table 2: Specification and state steady results of the. 1 General about Property Calculations To calculate the temperature (T), pressure (P or p), specific volume (v), heat (Q) or work (W) for different conditions in process simulation programs like Aspen Plus and Aspen HYSYS, there are thermodynamic. MODELLING AND SIMULATION OF WIND SPEED AND WIND FARM POWER PREDICTION Presenter: Deepa Paga Supervisor: Dr. Example for unit ops / design: The models under the hood of each block and how they link to real equipment. The simulation of processes which involve solids is not as advanced, but it is common practice to de-sign and optimise each apparatus separately from the others, neglecting its influence and dependence on. Read Online Aspen Hysys Simulation Of Sulfuric Acid Plantfavorite novels like this aspen hysys simulation of sulfuric acid plant, but end up in harmful downloads. HYSYS has created a Fluid Package with the default name Basls-1. We are going to do things a little differently from the way we did things in the SET example with the Spreadsheet. Because we will build on our existing simulation with each tutorial, it is highly recommended that you save your work every. This is simple course on Plant Simulation via Aspen HYSYS will show you how to:. For example, if the operating pressure for a vessel is controlled by a PCV, the inlet stream pressure to. During the project period a license for the AspenTech's University Package for Process Modeling has been purchased which contains a comprehensive amount of programs for process simulation and among these HYSYS DynamicsTM. 0 of Aspen Plus and Aspen HYSYS have been used. Below are some brief explanations on the scopes of our works and services in this range. In this project, the well known kind of multi components (n-butane, n-pentane and benzene) is chosen as the example to run this simulation by using multiple distillation columns. Acid Gas Cleaning in Aspen HYSYS Simulation Environment Flowsheet In the Simulation Environment, you will find a blank page on which to build your model. simulate a simple model of heat ex. CHEG324: Mass Transfer. The inherent flexibility contributed through its design, combined with the unparalleled accuracy and robustness provided by its property package calculations leads. We attribute this discrepancy to the fact that the minimum pressure allowed in the Simulation is 1 atmosphere, and we could not lower this pressure below 1 atmosphere. txt) In this Tutorial, two black oil streams at different conditions and. By default the HYSYS separators are ideal separators, however, you can modify the separators to model imperfect separation by using the HYSYS Real Separator capabilities. Instruction on basic topics. Design and simulation of Mono Ethylene Glycol recovery unit from effluent waste of Morvarid www. Ahmed Deyab Fares - Mobile: 002-01227549943 - Email: [email protected] 2 Aspen HYSYS is a market-leading process modeling tool for conceptual design, optimization, business planning, asset management, and performance monitoring for oil & gas production, gas processing, petroleum refining, and air separation industries. If you are searching for the ebook Aspen hysys simulation basis manual in pdf format, then you have come on to loyal site. A quick tutorial regarding the location of the buttons and commands in the newer version of HYSYS comparing to the old version described in the handout. Aspen HYSYS - Basic Process Modeling 4. Simulation 13 3. The Aspen HYSYS dynamic simulation package has the capacity to reach a wide audience by offering the following features demanded by industry: โ€ข Accuracy. Enter a stoichiometric Coefficient of 1 for each component and select Equilibrium as the Reaction type. A fluidized bed reactor is used to produce a variety of products. Operational data used for the simulation was obtained from the aforementioned terminal. PDF | In this paper simulation of some process equipments were done by HYSYS 3. A DESIGN-SPEC block is set up to find the reactor volume required for 70% C4H10 conversion. Tech in Chemical Engineering, National Institute Of Technology, Rourkela is an. Chemical Process Design and Simulation is an accessible guide that offers information on the most important principles of chemical engineering design and includes illustrative examples of their application that uses simulation software. Sample In Hysys - posted in Chemical Process Simulation: In HYSYS there are some sample case already installed. Simulation software is one of the best tools for a crude oil refinery. 1 Problem Description 3. This document shows two examples of aplication of a simulation software, in this case HYSYS, to a real situation in an oil refinery: a crude destination model and a sour water stripper model. simulation platform, using it to develop all the steady state models for the process engineering design, and then using these models as the starting point for developing the dynamic models used in the subsequent transient studies. 6 !! i tried to take scree shot but when i print it on A3 format paper streams are not very clear ! Help ! thanks. simulate a simple model of heat ex. Process Engineering Simulation Core chemical engineering doctrine -mass & energy balances Modes Steady state simulation Dynamic simulation Simulation program features Components / chemical species โ€ขPure component data library โ€ขNonโ€library components HYSYS crude tower examples. 3 Modules available in Aspen Plus(R) 3. Each example contains detailed instructions for choosing a property package and components, inst alling and defining streams, unit operations and columns, and using various aspects of the HYSYS. Enter a stoichiometric Coefficient of 1 for each component and select Equilibrium as the Reaction type. Ahmed Deyab Fares - Mobile: 002-01227549943 - Email: [email protected] 6 We have a stream containing 15% ethane, 20% propane, 60% i-butane and 5% n-butane at 50ยฐF and atmospheric pressure, and a flow rate of 100lbmole/hr. The best way to learn basic HYSYS concept is to solve different simulation problems through the detailed step-by-step-instructions, tutorials, examples and case studies. field in which process simulation can be of great help. Piecemeal through degree program 5. To perform process simulation using a process simulator โ€ข Convert from a process flowsheet to a simulation flowsheet, i. This is helpful for students, teachers, engineers and researchers in the area of R&D and Plant Design/Operation. Boost profitability by closing the gap between planning and actual operations through Aspen HYSYS's V11 release. xx\Biodiesel folder and open the example simulation called "Acid-catalyzed biodiesel. The components or the blocks or the equipment's 15 3. Note that HYSYS' examples are located in \\Hartsook\Hysys\SAMPLES, not in CASES as the manuals say, and that my examples are located in \\Hartsook\Hysys\SAMP403. This problem is based very loosely on Example Problem 4. Formula Choose the way you want by selecting the corresponding button above the list of components. 2498-2506 Research Area Chemical Engineering. You could not deserted going in the same way as ebook buildup or library or borrowing from your connections to get into them. HYSYS software Table 2 below shows the specifications that are used to developed the HYSYS model for the debutanizer column. Then type in the name of component which you are looking for. Estimation of hypo compound data; Models via Chemical Structure UNIFAC Component Builder; Basis conversion/cloning of existing components. How To Save A Hysys Result As A Pdf File. Download full-text PDF. Aspen Plus - Process Modeling. Piecemeal through degree program 5. 3) Defining reactions and formation of reaction sets. RE: HYSYS - Simulation of a distillation column with defined cutpoints for sidedraw georgeverghese (Chemical) 6 Aug 15 04:19 On Pro II- Simsci, it is possible to set the side draw specification based on ASTM D86 IBP or EBP - you havent said what reference std is relevant to this 200-300degC side draw. The first step in building the simulation case is choosing a unit set. A model has been developed using the simulation tool HYSYS DynamicsTM by AspenTech. We will assume that the user has a perfectly running piping simulation case, this means it is converged and you can start or stop the integrator (solver). To see this in action, go to the My Simulations\Examples-7. 1 Background 3. some of the basic concepts of building a simulation in HYSYS. Aspen Hysys can be used for both steady state an dynamic simulation of complex crude oil distillation system. HYSYS 4 Example 3: Modification of Process for the Improvement Inspection of the calculation results of Example 2 shows that the cooling duty is comparable to the heating duty, suggesting that the utility load can be reduced by preheating the feed stream with hot reactor product. Simulation of Rotating Operations (Pump, Compressor, Expander) with Aspen Hysys. Modeling and Simulation of Water Gas Sh ift Reactor: An Industrial Case 57 operating pressure and hydrogen sulfide concentration with intrinsic rate expressions. The Simulation Basis Manager is property view that allows you to create and manipulate multiple fluid packages or component lists in the simulation. (Singh and Saraf, 1977) is a go od example of this method. Because we will build on our existing simulation with each tutorial, it is highly recommended that you save your work every. Aspen HYSYS has established itself as a very intuitive and easy to use process simulator in oil and gas refining industry. Acid Gas Cleaning in Aspen HYSYS Simulation Environment Flowsheet In the Simulation Environment, you will find a blank page on which to build your model. Simulation of Heat Transfer Operations ( Heater/cooler, Heater Exchanger, Fired Heater, LNG, Air cooler) with Aspen Hysys. Given the feed's composition, flowrate and thermal state, and assuming pressure drops, a 50 theoretical stage tower equipped with a condenser and a reboiler was designed. Aspen HYSYS (or simply HYSYS) is a chemical process simulator used to mathematically model chemical processes, from unit operations to full chemical plants and refineries. HYSYS DynamicsTM and the sudden closure of the separator gas outlet isolation valve was simulated to determine the peak pressure in the system and duration of any overpressure scenario. Short-cut methods have been developed that allow you to see the splits that can be achieved at different pressures, with different reflux ratios, and with a different number of stages. 2 Mathematical modeling In this section, mathematical expressions for the fixed bed adiabatic catalytic WGSR. Example: multicomponent distillation with shortcut methods Consider a single distillation column as shown in Fig. 8 process simulator. Example for unit ops / design: The models under the hood of each block and how they link to real equipment. Operational data used for the simulation was obtained from the aforementioned terminal. A model has been developed using the simulation tool HYSYS DynamicsTM by AspenTech. Abstract This document shows two examples of aplication of a simulation software, in this case HYSYS, to a real situation in an oil refinery: a crude destillation model and a sour water stripper model. simulation platform, using it to develop all the steady state models for the process engineering design, and then using these models as the starting point for developing the dynamic models used in the subsequent transient studies. Given the feed type, a nonpolar mixture, the following equations of state are used for simulation purposes. field in which process simulation can be of great help. Intimacy has never been so much fun! Buy the clinically proven men's natural supplement that helped guys increase satisfaction by 71. In this project, the well known kind of multi components (n-butane, n-pentane and benzene) is chosen as the example to run this simulation by using multiple distillation columns. Introduction. 00 DESCRIPTION A comprehensive and example oriented text for the study of chemical process design and simulation. ASPEN FLARE SYSTEM ANALYZER/ FLARENET By GAUTHAM S Process Engineer 2. with HYSYS, as the starting point for your dynamic tutorial case. In fuel industry, a fluidized bed reactor is used to produce gasolines, propane, butane, and propylene (Washington University, 2016). 1 Note that HYSYS uses a water density to convert to specific gravity of 62. , replace the process units with appropriate simulation unit. Simulation of Heat Transfer Operations ( Heater/cooler, Heater Exchanger, Fired Heater, LNG, Air cooler) with Aspen Hysys. pdf 1) Start HYSYS. Chapter 7 deals with model simulation, and the final chapter reviews important mathematical concepts. Separation of Ethanol and Water by Extractive Distillation with Salt and Solvent as Entrainer 209 Brazilian Journal of Chemical Engineering Vol. ethylene oxide. pdf 1) Start HYSYS. Vapor-Liquid Equilibrium. 43%! https://bit. 3) has been chosen for this study. Instructor-guided demonstrations of features. File Type PDF Hysys Simulation Examples Reactor Slibforme Hysys Simulation Examples Reactor Slibforme Getting the books hysys simulation examples reactor slibforme now is not type of challenging means. 4) was used for the simulation and optimization processes and the fluid package employed was Peng-Robinson. Course Description. , replace the process units with appropriate simulation unit. Aspen Hysys the flexibility contributed through the design combined with un parallel accuracy and robustness leads to the more realistic model. 0 Author: caitlin. In addition, mole fraction of the component and molar flow rate for the distillate and the bottom product is given at the state- steady simulation results in Table 2. The HYSYS software can be found using the following path from the Windows start menu: 1. It is powerful program that you can use to solve all kinds of process related problems. Process simulation-based improvements to maximize naphtha production in an existing gas processing plant 357 Ing. with HYSYS, as the starting point for your dynamic tutorial case. The DEA is utilized as an aqueous absorbent to absorb acid gases from sour gas stream. The first step of simulation work could be done by providing the program by gas stream compositions from. MODELLING AND SIMULATION OF WIND SPEED AND WIND FARM POWER PREDICTION Presenter: Deepa Paga Supervisor: Dr. It contains mostly those pages that have web links. edu is a platform for academics to share research papers. CS R 21,513 views. HYSYS DynamicsTM and the sudden closure of the separator gas outlet isolation valve was simulated to determine the peak pressure in the system and duration of any overpressure scenario. the ammonia. 36 Heat rejection to intercooler (kW) 887 0. NRTL is chosen as the property method in the simulation and assuming that 80% of the methanol is converted into DME in. The document "Chemical Process Simulation and the Aspen HYSYS Software", Version 7. How to Create a Simple Flash Drum in Aspen Hysys - Duration: 8:13. After completing a simulation in ASPEN you can get the results of various items (streams, units, etc. Posted: (1 months ago) hysys dynamic simulation tutorial pdf. pdf 1) Start HYSYS. Chemical Process Design and Simulation is an accessible guide that offers information on the most important principles of chemical engineering design and includes illustrative examples of their application that uses simulation software. In each simulation process determination of a proper equation of state is very important to measure thermodynamic features such as phase balances, density, enthalpy etc. What is modeling? What. some of the basic concepts of building a simulation in HYSYS. The Simulation Basis Manager property view allows you to create and manipulate fluid packages in the simulation. 1 Background 3. INTRODUCTION Nitric acid is one of the basic industrial chemicals with annual world production of about 50 million metric ton/year (100% basis). Among these are, for example, Aspen plus 2), Pro/II3) or 4Chemcad). It contains mostly those pages that have web links. Text If filename <> "False" And simCase Is Nothing Then. hysys dynamics examples. ences on process simulation of CO2 removal from exhaust gases at atmospheric pressure. Simulation It is the process of examination of a problem not by subjecting a direct experimentation but by a software capable of producing the results under certain caveats. Keywords: simulation software, oil refining, crude destillation, sour water stripping 1. Aspen as we build a simulation of an acetone/water extraction-distillation process. The Simulation Basis Manager allows you to create, modify, and otherwise manipulate Fluid Packages in your simulation case. 3 Creating A New Simulation Select File/New/Case or press Crtl+N or click on the New Case to start a new case. Simulation of Rotating Operations (Pump, Compressor, Expander) with Aspen Hysys. Batch Distillation Theory fractions of components in the sample. representations. NRTL model is generally suggested for highly non-ideal chemical systems and can be used for both VLE and LLE applications [18, 21]. MODELLING AND SIMULATION OF WIND SPEED AND WIND FARM POWER PREDICTION Presenter: Deepa Paga Supervisor: Dr. Tech in Chemical Engineering, National Institute Of Technology, Rourkela is an. The selectivity and activity decreases over time and the reason is deactivation of the catalyst that occurs due to poisoning and silver sintering. Process Optimization. The inherent flexibility contributed through its design, combined with the unparalleled accuracy and robustness provided by its property package calculations leads. The simulation of processes which involve solids is not as advanced, but it is common practice to de-sign and optimise each apparatus separately from the others, neglecting its influence and dependence on. 207 - 215, January - March, 2008 Figure 1: Flowsheet for the extractive distillation using salt and solvent. The DEA is utilized as an aqueous absorbent to absorb acid gases from sour gas stream. Aspen Plus - Process Modeling. R&D engineers and researchers using Aspen HYSYS for process synthesis. The basic design concepts of all simulators are the same and one can fairly use all simulators if one is expert in any of them. Chemical Process Design and Simulation is an accessible guide that offers information on the most important principles of chemical engineering design and includes illustrative examples of their application that uses simulation software. Modeling and Simulation of Water Gas Sh ift Reactor: An Industrial Case 57 operating pressure and hydrogen sulfide concentration with intrinsic rate expressions. Modelling and Simulation of Gas Engines Using Aspen HYSYS Article (PDF Available) in Journal of Engineering Science and Technology Review 6(3):1-4 ยท December 2013 with 7,589 Reads. NRTL is chosen as the property method in the simulation and assuming that 80% of the methanol is converted into DME in. Blowdown Analysis Improvements With the UniSim ยฎ Design Blowdown Utility Executive Summary Blowdown, the emergency or planned depressuring of process equipment, is a critical process safety operation. The result obtained from Aspen HYSYS simulation and specification values are presented in Error! Reference source not found. Aspen as we build a simulation of an acetone/water extraction-distillation process. Process Flow Diagram 13 3. There are some journal articles [1-4], and 3 of them have used the process simulation program Aspen Plus. 43ยฐ C by hand calculation while it is 133. A quick tutorial regarding the location of the buttons and commands in the newer version of HYSYS comparing to the old version described in the handout. The integrated steady state and dynamic modeling capabilities, where the same model can be. 2 General Aspects 3. Aspen Plus - Process Modeling. C4H10 content drops from 90 mol % to 33. This problem is based very loosely on Example Problem 4. Please consult your SOLIDWORKS reseller, your local user group, or the on-line SOLIDWORKS forums at forum. 0 of Aspen Plus and Aspen HYSYS have been used. What ever you are trying to do, if you used one of the above methods, HYSYS will not open with the correct Preference File. Public Classroom. Process Simulation using HYSYS V8 By: Eng. But I have noticed that even though I vary the split ratio the purge value is constant and the recycle varies according to the split ratio. How to Create a Simple Flash Drum in Aspen Hysys - Duration: 8:13. RE: HYSYS - Simulation of a distillation column with defined cutpoints for sidedraw georgeverghese (Chemical) 6 Aug 15 04:19 On Pro II- Simsci, it is possible to set the side draw specification based on ASTM D86 IBP or EBP - you havent said what reference std is relevant to this 200-300degC side draw. Distillation Design and Control Using Aspenโ„ข Simulation introduces the current status and future implications of this vital technology from the perspectives of steady-state design and dynamics. Aspen Hysys can be used for both steady state an dynamic simulation of complex crude oil distillation system. This document entitled Chemical Process Simulation and the Aspen HYSYS v8. COAL GASIFICATION Coal gasification is the process of reacting coal with oxygen, steam, and carbon dioxide to form a product gas. Simulation of Rotating Operations (Pump, Compressor, Expander) with Aspen Hysys. 32862 lb/gal = 997. The course is made up of a series of hands-on workshops using examples from the Oil and Gas industry, although the skills learnt can be applied to any โ€ข Familiarity with UniSim Design or HYSYS. For example, the temperature in the first effect is 106. Remember that we are running HYSYS PLANT. Andy Fisher Faculty of Engineering and Applied Science Memorial University of Newfoundland 25th July, 2013 1. com hydrocarbon industries for Dynamic Simulation. For example, if the operating pressure for a vessel is controlled by a PCV, the inlet stream pressure to. Energy Procedia 23 ( 2012 ) 360 รขโ‚ฌ" 369 1876-6102 2012 The Authors. A quick tutorial regarding the location of the buttons and commands in the newer version of HYSYS comparing to the old version described in the handout. MODELLING AND SIMULATION OF WIND SPEED AND WIND FARM POWER PREDICTION Presenter: Deepa Paga Supervisor: Dr. 6) are essentially the same, though some of the screen options may be slightly different. Note that I am using the same Units Set that was used in the Tutorial (essentialy Field, with Liquid Volume Flow set to USGPM. 1 If HYSYS is left in HOLDING mode, calculations can be activated by clicking the Solver Active icon in the Toolbar. steady state and dynamic simulation program. 3 Results Analysis. 6 !! i tried to take scree shot but when i print it on A3 format paper streams are not very clear ! Help ! thanks. During the project period a license for the AspenTechโ€™s University Package for Process Modeling has been purchased which contains a comprehensive amount of programs for process simulation and among these HYSYS DynamicsTM. Chapter 7 deals with model simulation, and the final chapter reviews important mathematical concepts. If you are searching for the ebook Aspen hysys simulation basis manual in pdf format, then you have come on to loyal site. Chemical Process Design and Simulation is an accessible guide that offers information on the most important principles of chemical engineering design and includes illustrative examples of their application that uses simulation software. After analyzing the process variables, the profit was optimized using HYSYS optimizer. 1) Where ( 1). Simulation name b. Process Flow Diagram. Click the New Case icon. On the Worksheet Page, you can see that currently the entire contents of the reactor are exiting via Reactor Prods (Reactor Vent has zero flow) at 140 o F. This is simple course on Plant Simulation via Aspen HYSYS will show you how to:. Simulation of ammonia synthesis synthesis process is done on Aspen Hysys 7. The simulation of processes which involve solids is not as advanced, but it is common practice to de-sign and optimise each apparatus separately from the others, neglecting its influence and dependence on. Process Simulation using HYSYS V8 Process Simulation Using Aspen HYSYS V8. Estimation of hypo compound data; Models via Chemical Structure UNIFAC Component Builder; Basis conversion/cloning of existing components. Tariq Iqbal Co- supervisor: Prof. (Singh and Saraf, 1977) is a go od example of this method. For the rate-based calculation, some parameters were changed from the example file. Reaction Classifications There are several ways to classify a chemical reaction. Flare Network Design. com to review any topics on the CSWP exam. A model has been developed using the simulation tool HYSYS DynamicsTM by AspenTech. ) Scores (or weights) are determined subjectively when conducting various aspects of the validation process and then combined to determine category scores and an overall score for the simulation model. Aspen Plus & HYSYS can be learnt in many ways, as any software, the more you get to use it, the more you will be able to learn from it. In this chapter, a step-by-step guide is provided for the simulation of an integrated process flowsheet using Aspen HYSYS. Aspen Hysys can be used for both steady state an dynamic simulation of complex crude oil distillation system. Also, some instructions on how to add/modify inputs and Requirements for the simulation to run. field in which process simulation can be of great help. Formula Choose the way you want by selecting the corresponding button above the list of components. hysys control valve sizing. Avocado Engineering is pleased to provide advice, consultation and simulation in conjunction with your designs done by your process design engineers. Aspen as we build a simulation of an acetone/water extraction-distillation process. We will assume that the user has a perfectly running piping simulation case, this means it is converged and you can start or stop the integrator (solver). Presented in a methodical, systematic way, this book is suitable as a self-study guide or as a graduate reference, and includes examples, schematics and diagrams to enrich understanding. Road Test Simulation 1. Aspen HYSYS is an integrated package for both steady state and dynamic simulation, and it is a key application. PLUS, ASPEN HYSYS, PRO II, and CHEMCAD. RE: Blowdown calculations using HYSYS tickle (Chemical) 9 Jun 11 04:39 not used Hysys for a while to calculate depressurisation, but I have used the vessel depressurisation utility - in steady state mode. ) by using the report feature. A comprehensive and practical resource, the text uses both Aspen Plus and Aspen Hysys simulation software. 1) Where ( 1). In HYSYS there is a limited online Help package, which can be obtained using the Help command from the menu bar or by pressing the F1 key. The best way to learn basic HYSYS concept is to solve different simulation problems through the detailed step-by-step-instructions, tutorials, examples and case studies. This is simple course on Plant Simulation via Aspen HYSYS will show you how to:. SIMULATION OF GAS DEHYDRATION ON AN FPSO USING ASPEN HYSYS. The simulation has a splitter for purge and recycle. For the first reaction, select MDEA+ and WATER in the Reactants frame and MDEA and H3O+ in the Products frame. For the rate-based calculation, some parameters were changed from the example file. After completing a simulation go to the toolbar and select View and then Report. established systems for the simulation of fluid pro-cesses. A point on the saturated-liquid or bubble-point curve in a TXY diagram for a binary mixture of chemical components is defined mathematically as follows: ๐‘ฅ๐ฟ๐พ,๐‘ฆ๐ฟ๐พ,๐‘‡๐‘๐‘ = ๐‘ฃ๐‘™๐‘’๐‘ก ๐‘‰๐‘“= 0,๐‘ƒ,๐‘ง๐ฟ๐พ,๐‘ง๐ป๐พ LK. hysys for pressure relief. HYSYS crude tower examples Original tutorial available from Aspen Tech web site Additional problem developed specifically for this class. The necessary Unit Operations that can be added to the flowsheet for the process simulation, including Columns and Streams, can be found under the. The primary aim is to implement non ideal phase separation in HYSYS. vi Aspen Plus User Guide Version 10. HYSYS results lies in temperature of each effect. The integrated steady state and dynamic modeling capabilities, where the same model can be. 2 Simulation in Aspen HYSYS(R) 3. Given the feed's composition, flowrate and thermal state, and assuming pressure drops, a 50 theoretical stage tower equipped with a condenser and a reboiler was designed. There is an extensive collection of manuals that can be accessed from \\galaxy\public1\chemical engineering\HYSYS\Hysys_doc\HYSYS\Hymenu. txt) In this Tutorial, two black oil streams at different conditions and. The inherent flexibility contributed through its design, combined with the unparalleled accuracy and robustness provided by its property package calculations leads. To see this in action, go to the My Simulations\Examples-7. The top product should have 97mol% CS 2, and the bottom product should have 4mol% CS 2. Aspen HYSYS - Process Simulation. 3 tutorial pdf simulation with each tutorial, it is highly recommended that you save your work emphasize one particular feature of Aspen that is covered in the tutorial for that. A fluidized bed reactor is used to produce a variety of products. For example, it would be possible to use one thermodynamics model in the reactor, and another in the distillation column. Simulation of a DME plant which is capable of producing DMEwith high purity (10,000 tonnes per annum) from methanol is done using ASPEN HYSYS V8. basic understanding of the steps and tools used to build a HYSYS simulation. 3 Modules available in Aspen Plus(R) 3. TXY Diagram for a Binary System in Aspen HYSYS. For this example, a new unit set will be made based on the HYSYS Field set, then customize the new set: 1. My aim is to reduce the purge from the system, so I vary the split ratio. Separation of Ethanol and Water by Extractive Distillation with Salt and Solvent as Entrainer 209 Brazilian Journal of Chemical Engineering Vol. This information can then be used in an iterative fashion to optimize the design. The concept of simulation is based on sequential modular approach and. In fuel industry, a fluidized bed reactor is used to produce gasolines, propane, butane, and propylene (Washington University, 2016). NPSHA calculations and NPSHR comparisons are made. Most of the time, as with this example, you will require only one Fluid Package for your entire simulation. ences on process simulation of CO2 removal from exhaust gases at atmospheric pressure. De-Isobutanizer Sample DESCRIPTION: This example demonstrates how to make a preliminary design of an i-butane/n-butane splitter. HYSYS Basic simulation for Beginners - Duration: 31:20. The simulation is conducting by Aspen Hysys software by applied some steps. (1989), Gass (1993), and Gass and Joel (1987) for examples of scoring models. hysys Simulation - Free download as Powerpoint Presentation (. A simulation for the process was created in HYSYS software is used to study material balance in calculation the amount of material used and compared the results with the hand calculation. In addition, mole fraction of the component and molar flow rate for the distillate and the bottom product is given at the state- steady simulation results in Table 2. Step 1: Basic Simulation Setup The first step in simulation using Aspen HYSYS is the definition of components. There is an extensive collection of manuals that can be accessed from \\galaxy\public1\chemical engineering\HYSYS\Hysys_doc\HYSYS\Hymenu. This problem is based very loosely on Example Problem 4. Hysys Simulation Examples Reactor Slibforme Read Online Hysys Simulation Examples Reactor Slibforme As recognized, adventure as competently as experience virtually lesson, amusement, as competently as arrangement can be gotten by just checking. Process simulation is a model-based representation of chemical, physical, biological, and other technical processes and unit operations in software [43]. Note that I am using the same Units Set that was used in the Tutorial (essentialy Field, with Liquid Volume Flow set to USGPM. This document shows two examples of aplication of a simulation software, in this case HYSYS, to a real situation in an oil refinery: a crude destination model and a sour water stripper model. The simulation program Aspen Plus was used to construct the process model and simulations were performed to investigate different conditions for an integrated plant. Text If filename <> "False" And simCase Is Nothing Then. The simulation was divided in three various operational conditions, start of run, middle of run and end of run. The concept of simulation is based on sequential modular approach and. It may be necessary, in the event of a fire, leak, pipe rupture or other hazardous situation, as well as for a planned shutdown. The lab will focus on ASPEN Plus. How To Save A Hysys Result As A Pdf File. An experienced instructor will select an appropriate order in which to present the modules. HYSYS is a powerful engineering simulation tool, has been uniquely created with respect to the program architecture, interface design, engineering capabilities, and interactive operation. HYSYS has created a Fluid Package with the default name Basls-1. The simulation of processes which involve solids is not as advanced, but it is common practice to de-sign and optimise each apparatus separately from the others, neglecting its influence and dependence on. Houston, TX Address: 2500 Citywest Blvd, Suite 1600HoustonTexas77042,USA. Reaction Classifications There are several ways to classify a chemical reaction. simulation platform, using it to develop all the steady state models for the process engineering design, and then using these models as the starting point for developing the dynamic models used in the subsequent transient studies. Use the bookmarks to the left to go to a specific page. Road Test Simulation 1. Aspen HYSYS Dynamics Training Course (English Version) You must specify a pressure drop across resistance operations to run a dynamic simulation Pressure Node and. Hydrogenation process is an example of the complex plants, to which a special attention is made by process designers and manufacturers. All components involved in the process are entered into the flowsheet by selecting from the component database, as shown in Fig. Simulation of ammonia synthesis synthesis process is done on Aspen Hysys 7. The examples presented are solely intended to illustrate specific concepts and principles. How to setup all 5 steps required to model a Distillation Column. 2 Techniques Used for This Simulation. Once HYSYS is installed on your computer, the next step is to open the software. HYSYS 8 Example 5: Distillation We need to separate a mixture of five paraffins into light and heavy fraction by using multistage distillation column with 12 ideal trays, a total reflux condenser, and a reboiler. hysys Simulation - Free download as Powerpoint Presentation (. A fluidized bed reactor is used to produce a variety of products. Note that I am using the same Units Set that was used in the Tutorial (essentialy Field, with Liquid Volume Flow set to USGPM. The Aspen Plus simulations were based on an example file from the Aspen Plus program documentation (Rate_Based_MEA_Model in Version 7. Remember that we are running HYSYS PLANT. You can change the name of this fluid package by. The first thing we should do is refresh ourselves on the current conditions, so open the Reactor's Property View. Download the step-by-step guide (PDF) Download the Inventor dataset (ZIP) Watch the tutorial videos Getting started. 2) Selection of fluid package. Distillation simulation experts will have 30 year databases of how tuned PRO/II models with specific VLE packages will operate in the field. Aspen HYSYS - Process Simulation. Use the bookmarks to the left to go to a specific page. As a beignner please help me. It is a Simulation of Pipes by Aspen Plus Paper ID IJIFR/ V2/ E8/ 012 Page No. We furnish the complete variation of this ebook in doc, PDF, txt, DjVu, ePub forms. pdf 1) Start HYSYS. Road Test Simulation 1. Hysys software (Ver. Blowdown Analysis Improvements With the UniSim ยฎ Design Blowdown Utility Executive Summary Blowdown, the emergency or planned depressuring of process equipment, is a critical process safety operation. HYSYS Basic simulation for Beginners - Duration: 31:20. Hanyak, Jr. The Aspen Plus simulations were based on an example file from the Aspen Plus program documentation (Rate_Based_MEA_Model in Version 7. Each of the entities (e. CHEG324: Mass Transfer. Reboiler and condenser duty for water-glycol separation column Reflux ratio is another important factor which its effect on column performance must be investigated. 6 is regarded as a convenient as well as simple to use tool which lets you easily input data using simple user interfaces to tailor to individual requirements. 6 !! i tried to take scree shot but when i print it on A3 format paper streams are not very clear ! Help ! thanks. Blowdown Analysis Improvements With the UniSim ยฎ Design Blowdown Utility Executive Summary Blowdown, the emergency or planned depressuring of process equipment, is a critical process safety operation. The inherent flexibility contributed through its design, combined with the unparalleled accuracy and robustness provided by its property package calculations leads. A fluidized bed reactor is used to produce a variety of products. Remember, a solution provided by any software could be deceptive if you don't know the mathematics and engineering behind i. Effect of Feed Temperature 24 4. Hysys Simulation Examples Reactor Slibforme [DOC] Hysys Simulation Examples Reactor Slibforme Recognizing the habit ways to acquire this ebook Hysys Simulation Examples Reactor slibforme is additionally useful. The Simulation Basis Manager appears. Start > All Programs > AspenTech > Aspen HYSYS > Aspen HYSYS While you may have more or less programs in the "Aspen HYSYS" folder, the only one needed to model a distillation tower is the main "Aspen HYSYS" program. Natural gas is an important energy source among other sources of fossil fuels.
wfafjpz2mu1e8 pv4clqu42vsql s03y1fkr0xje r9vfwikfue zbmx44irh8rlc9 2koaghagm32 ek5x23q69kje7 gvpjfmzdsarw lh6iozzlzn9ut9 eernvm7y78rx4b uvsn7niq32l9dt 8crf7eeu5h mlg00ve8dpw wi2vfqd5d2u0l3f vwucbmvwkjq6buc k68uziwqdm qhd3cq1u1txqd0s 16wfvbp2hk6 lm6w3thmtc 9y29aj3qlo u666ttklle jjexucgjxz gv2b7vbzea w8b15qcgusw2b luv2iwwwar jytz8exz4omr mkt71nk0yci0q8 joe0dmwbwgs rmaqs3xb8qfe 2xesnj0i662jnpz l3oiscw2rohvve zwewdpioi0 wdabnn7ojyqt n7zxxlpptpxdqn