Rigorous Distillation - English
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- DWSIM Tutorials - English
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Specifying product streans
Sir,How can we specify the required composition of distillate and bottom stream in rigorous distillation column without doing a simulation for shortcut distillation column first or is it compulsory to first perform a shortcut distillation simulation to specify it.Thank you for great videos.
00-01M 0-10S Divyansh_raka
Answer last updated on: April 30, 2017, 6:09 p.m.
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Cannot find the pressure column in Stages tab of the column configuration section
Cannot find the pressure column in Stages tab of the column configuration section.
08-09M 10-20S 666
Answer last updated on: March 12, 2024, 5:34 p.m.
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User Guide
I notice that the user guide for older versions and the latest version is more or less similar and doesn't incorporate or explain the changes brought about during the up-gradation. Please do let me know if there are any tutorials or videos available to help me in getting familiarized with the latest version.
05-06M 0-10S raghun
Answer last updated on: Dec. 1, 2022, 2:41 p.m.
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Can't find the stage interpolation tool
I am unable to locate the interpolation tool of stage pressures after making the changes in the reboiler and/or condenser pressure in DWSIM version 8.3. please help.
09-10M 10-20S raghun
Answer last updated on: Nov. 30, 2022, 3:21 p.m.
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Cannot locate reboiler pressure tab in DWSIM
Cannot locate reboiler pressure tab in DWSIM, i am using DWSIM 8.0.3 dmg on macbook M1Previous solutions are for windows, make these for macOS
07-08M 10-20S ChaitanyaDongare
Answer last updated on: July 29, 2022, 6:02 p.m.
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view temperature, pressure and composition profiles
"view temperature, pressure and composition profiles" is not coming below results. I am using DWSIM 6.4, 3
09-10M 20-30S mahendra.ram22@gmail.com
Answer last updated on: Feb. 20, 2021, 12:17 p.m.
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Feed Tray Location
In the tutorial we are giving feed stage location to stage 9 in stream stage associations and giving column feed port to #5(under feeds section) initially in the tutorial. Why are we giving different locations? what is the difference between these two inputs?
05-06M 30-40S Yashraj987
Answer last updated on: Feb. 20, 2021, 10:59 a.m.
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Cannot find Solver tab in DWSIM version 6.3 Update 7
I am unable to locate "Solver" and "Solving Scheme" tabs to change the solution method. I am using DWSIM version 6.3 update 7.
04-05M 0-10S Darshak.Panchani
Answer last updated on: Feb. 17, 2021, 9:21 a.m.
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Unable to locate the Results section in the Property Editor Window of the Distillation Column in DWSIM Version 6.1 Update 1
I am Unable to locate the Results section in the Property Editor Window of the Distillation Column.I am using DWSIM Version 6.1 Update 1.
09-10M 10-20S priyamnayak
Answer last updated on: Aug. 27, 2020, 11:33 p.m.
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Cannot locate the section "Column Specs" under "Properties" tab in DWSIM Version 6.1 Update 1
I am unable to locate the section Column Specs under Properties tab. I am using DWSIM Version 6.1 Update 1.
06-07M 10-20S priyamnayak
Answer last updated on: Aug. 27, 2020, 11:32 p.m.
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Cannot locate "Column Configuration" section in DWSIM Version 6.1 Update 1
I cannot locate "Column Configuration" section as mentioned in the tutorial. I am using DWSIM Version 6.1 Update 1.
04-05M 20-30S priyamnayak
Answer last updated on: Aug. 27, 2020, 11:30 p.m.
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Cannot locate "Column Specs" section under General tab in DWSIM Version 6.1 Update 1
I am unable to find any "Column Specs" section under the "General" tab. I am using DWSIM Version 6.1 Update 1.
03-04M 10-20S priyamnayak
Answer last updated on: Aug. 27, 2020, 11:28 p.m.
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Query- Reboiler Pressure Value
Dear Reader,I wish to know how the Reboiler Value is taken as 1.1 atm. In the tutorial on Shortcut Distillation, the value of Condenser as well as Reboiler Pressures was 1 atm respectively. I am attaching the screenshot from my simulation of Shortcut Distillation which represent the same. The attached screenshot is from the simulation that has exactly the same values from simulation done by the tutor in the tutorial.Also, while updating most of the values in the Rigorous Distillation simulation, there are a lot of red error messages which can be seen in the tutorial as well (for eg while updating the Reboiler pressure itself, which readsErrorDistillation Column: Phase equilibria calculation error. (T = 373.58 K, P = 0.00 Pa, MoleFracs = { 0.4, 0.6, }))Thank you for your time and suggestion.Sincerely Yours,Himanshu.B.Tech (Chemical Engineering- Third Year)IET Lucknow
07-08M 10-20S himanshu08
Answer last updated on: Aug. 6, 2020, 7 p.m.
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Changing the reboiler pressure and reflux ratio
Dear sir,In the given problem, I am not able to run the simulation at 1 atm reboiler pressure. It is showing an error. Also, I am not able to change the pressure to a smaller value. If I have to change the pressure, I have to enter a higher value than the previous value to run the simulation. Can you please explain me the reason behind this. Also, I am not able to keep the reflux ratio in decimal.
07-08M 0-10S simran_97
Answer last updated on: Aug. 6, 2020, 6:55 p.m.
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Assigning operating pressure for distillation column
Good day Sir/MamI am a chemical engineering student from South Africa. I watched the shortcut and rigorous distillation tutorial which were extremely helpful for my project. However I wanted to ask how do you assign operating pressure for distillation column ?. I have to design a pressure swing distillation system, where the first column operates at a low pressure and the second column operates at a higher pressure to separate azeotropic mixture. How can I change the operating pressures of both columns?Your assistance would be much appreciated. Thank you in advance.
06-07M 50-60S mbali20
Answer last updated on: Aug. 13, 2017, 1:26 p.m.
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1
Creating a material stream in DWSIM -
2
Introduction to Flowsheeting -
3
Shortcut Distillation -
Rigorous Distillation -
5
Sensitivity Analysis and Adjust -
6
Plug Flow Reactor -
7
Continuous Stirred Tank Reactor -
8
Conversion Reactor -
9
Equilibrium Reactor -
10
Gibbs Reactor -
11
Heat Exchanger -
12
Shell and Tube Heat Exchanger -
13
Binary Phase Envelope -
14
Calculation of Bubble Points and Dew Points -
15
Chemsep Distillation Column -
16
Absorption Column -
17
Heterogeneous Catalytic Reaction -
18
Custom Unit Operation using Scilab -
19
Custom Unit Operation using Python -
20
Creating Multiple Reactions set
Questions posted on ST Forums:
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Outline:
Making use of results of shortcut distillation Connecting flow and energy streams Convention of DWSIM in including condenser and reboiler as stages Assigning linear interpolated pressure profiles Assigning pressure when new stages are added Assigning individual stage pressure Assigning individual stage efficiency Assigning condenser and reboiler pressure, pressure drops Selecting solution method for rigorous distillation Checking column profiles as Graphs and Tables
| Width: | 1098 | Height: | 696 |
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| Duration: | 00:11:50 | Size: | 5 MB |
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