DWSIM/C3/Absorption-Column/English-timed

Time	Narration
00:01	Welcome to this tutorial on simulating an Absorption Column using CAPE-OPEN Unit Operation in DWSIM.
00:09	In this tutorial, we will learn to: simulate an Absorption Column,
00:16	use ChemSep column as CAPE-OPEN Unit Operation,
00:20	specify Thermodynamics in ChemSep column,
00:24	specify Pressure profiles & Method in ChemSep column.
00:29	To record this tutorial, I am using: DWSIM 5.2 (Classic UI) and Windows 10.
00:39	The process demonstrated in this tutorial is identical in other OS also such as- Linux Mac OS X or FOSSEE OS on ARM.
00:51	To practice this tutorial, you should know:
00:56	to add components to a flowsheet,
01:00	aelect thermodynamic packages,
01:03	add material streams and specify their properties.
01:08	The prerequisite tutorials are mentioned on our website.
01:13	You can access these tutorials and all the associated files from this site.
01:19	We will develop a flowsheet to determine Outlet stream properties after absorption.
01:26	Here we give compounds, inlet stream conditions and property package.
01:32	I have already opened DWSIM on my machine.
01:37	Go to File menu and select New Steady-state Simulation.
01:43	The Simulation Configuration Wizard window appears.
01:48	At the bottom, click on Next.
01:52	Now, in the Compounds search tab, type: Methane.
01:57	Select Methane from ChemSep database.
02:01	Next, add Ethane.
02:05	Similarly, add Propane.
02:09	Next, add N-Butane.
02:13	Next, add N-Pentane.
02:17	Next, add N-dodecane.
02:21	At the bottom, click on Next button.
02:25	Now comes Property Packages.
02:28	From Available Property Packages , double-click on Peng-Robinson.
02:34	At the bottom, click on Next button.
02:38	We are moved to Flash Algorithm.
02:42	From Default Flash Algorithm, select Nested Loops(VLE).
02:48	At the bottom, click on Next button.
02:52	Next option is System of Units.
02:56	Under System of Units, select C5.
03:01	Lastly, at the bottom, click on the Finish button.
03:06	Let us maximize the simulation window.
03:10	Now let’s insert a feed stream that enters the Absorption Column.
03:16	On the right hand side of the main simulation window, go to Flowsheet Objects.
03:22	In the Filter List tab, type: Material Stream.
03:27	From the displayed list, drag and drop a Material Stream to the Flowsheet.
03:33	Click on the Material Stream “MSTR-000” to view its properties.
03:40	Let’s change the name of this stream to Absorbent Oil.
03:45	Now we will specify the Absorbent Oil stream properties.
03:51	Select Flash Spec as Temperature and Pressure (TP), if not already selected.
03:57	By default, Temperature and Pressure are already selected as Flash Spec.
04:03	Change Temperature to 32 degree Centrigade and press Enter.
04:09	Change Pressure to 28 bar and press Enter.
04:15	Change Mass Flow to 12750 kg/h and press Enter.
04:24	Now let us specify the feed stream compositions.
04:29	Under Composition, choose the Basis as Mole Fractions, if not already selected.
04:37	By default, Mole Fractions is selected as Basis.
04:42	Now for Methane, enter the Amount as 0 and press Enter.
04:49	For Ethane, enter it as 0 and press Enter.
04:54	Similarly, for Propane, enter 0 and press Enter.
05:00	And for N-Butane, enter 0 and press Enter.
05:06	Next, for N-Pentane, enter 0 and press Enter.
05:12	For N-dodecane, enter 1 and press Enter.
05:17	On the right, click on this green tick to Accept Changes.
05:22	Now drag and drop another Material Stream to the flowsheet.
05:27	Click on Material Stream “MSTR-001” to view its properties.
05:33	Let’s change the name of this stream to Feed Gas.
05:38	Now we will specify the Feed Gas stream properties.
05:44	Under Input Data, select Flash Spec as Temperature and Pressure (TP), if not already selected.
05:52	By default, Temperature and Pressure are already selected as Flash Spec.
05:58	Change Temperature to 41 degree Centrigade and press Enter.
06:05	Change Pressure to 28 bar and press Enter.
06:10	Change Mass Flow to 11840 kg/h and press Enter.
06:19	Now, let us specify the feed stream compositions.
06:24	Under Composition, choose the Basis as Mole Fractions, if not already selected.
06:32	By default, Mole Fractions is already selected as Basis.
06:38	Now for Methane, enter the Amount as 0.2 and press Enter.
06:45	For Ethane, enter it as 0.4625 and press Enter.
06:53	Similarly, for Propane, enter 0.3 and press Enter.
07:00	And for N-Butane, enter 0.03125 and press Enter.
07:08	Next, for N-Pentane, enter 0.00625 and press Enter.
07:18	For N-dodecane, enter 0 and press Enter.
07:23	On the right, click on this green tick to Accept Changes.
07:28	Now, let’s insert two more material streams that exit the Absorption Column.
07:34	To do that, let us drag one Material Stream.
07:38	Let us now arrange it.
07:41	We will leave that stream as unspecified.
07:45	Then we will change the name of this stream to Lean Gas.
07:51	Next, we will insert another Material Stream.
07:56	Let us once again arrange it.
07:59	Leave that stream as unspecified.
08:03	And name this stream as Rich Oil.
08:07	Now, let us insert an Absorption Column into the flowsheet.
08:12	Go to Flowsheet Objects.
08:15	In the Filter list tab, type: CAPE.
08:20	Click on the CAPE-OPEN Unit Operation displayed.
08:24	Drag and drop it to the flowsheet.
08:28	Add CAPE-OPEN Unit Operation window opens.
08:32	Select ChemSep from the displayed list of Unit Operations. Click Ok.
08:40	Click on the added CAPE-OPEN Unit Operation (COUO-004)
08:47	We will change the name of the object to Absorption Column.
08:53	Click on Open CAPE-OPEN Object Editor in the Object Property Editor window.
09:00	The New Unit Operation pop-up window appears.
09:05	Click on the field against Unit Name and type: Absorption Column.
09:12	Next, click on the drop-down against Operation. Select Simple Absorber/Stripper.
09:22	Next click on the field against # Stages and enter 6.
09:30	Next, click on the field against Pressure and enter 2757906 Newton per meter square .
09:41	Then click on the drop-down against Thermo. Select ChemSep. Click Ok button.
09:50	Wait for a few seconds.
09:53	The ChemSep (CAPE-OPEN) -Absorption Column window will appear.
09:58	Close the ChemSep window by clicking the red cross button on the top right corner of the window.
10:05	Another pop-up appears, in which we will click No.
10:10	First, we will connect the inlet feed streams and outlet streams with the Column.
10:16	Then specify the column properties.
10:20	Go to the left side of the window.
10:23	Under Connections, go to inlet section.
10:27	Click on the drop-down against Feed2_stage6 and select Feed Gas.
10:37	Next, click on the drop-down against Feed1_stage1 and select Absorbent Oil.
10:48	Go to Outlet section.
10:51	Then click on the drop-down against TopProduct and select Lean Gas.
10:59	Then click on the drop-down against BottomProduct and select Rich Oil.
11:07	Now we will edit the properties of the Absorber.
11:12	Click on Open CAPE-OPEN Object Editor.
11:18	The ChemSep window opens.
11:21	Click on Properties on the left side of the ChemSep window.
11:26	Here we will define the Thermodynamics, Physical Properties and Reactions taking place in the column.
11:37	First, we will define the Thermodynamics.
11:41	Click on the drop-down against K-value. Select EOS.
11:47	Next, click on the drop-down against Equation of state and select Peng-Robinson 76.
11:56	A pop-up appears: Selection of new EOS model will reset model parameters, continue. Click Yes
12:06	Another pop-up appears: Use consistent EOS to compute enthalpy. Click Yes.
12:14	Now, we will load the Thermodynamic Model parameters.
12:19	On the left side, click Load button.
12:23	Load interaction parameters window opens.
12:27	Select pr.ipd and click Open.
12:32	Available Peng-Robinson parameters for the selected compounds are displayed. Click Load button.
12:41	There are no Physical Properties or Reactions to be defined. So, we will not specify them.
12:49	Now, we will see how to define Pressure profiles in ChemSep column.
12:55	Click on Pressures on the left side of the ChemSep window.
13:00	Click on drop-down against Column Pressure.
13:04	Here we can select the pressure type to specify for the column depending on pressure.
13:11	By-default, Constant pressure is selected.
13:15	We will not change that as the column is operated at constant pressure.
13:20	Enter 2757906 Newton per meter square against Top Pressure.
13:28	Click on Solve Options on the left side of the ChemSep window.
13:33	Here we will select the Method to solve the simulation.
13:37	Click on drop-down against Method. Select 2-pass ideal K + constant H first from the displayed list.
13:48	Now we will run the ChemSep simulation.
13:52	Click on the green button located at the top of ChemSep window.
13:57	This button is to check input of problem and solve.
14:02	A pop up window appears. Click Yes.
14:06	Click OK.
14:08	Click Yes.
14:10	Click Done
14:12	Close the ChemSep window.
14:15	Now we will select a proper appearance icon for the Absorption Column.
14:21	Click on the Absorption Column.
14:24	Object Editor Window opens on the left side. Locate Settings section.
14:31	Click on the drop-down against Flowsheet Object Appearance.
14:36	Select AbsorptionColumn from the drop-down.
14:40	For better appearance of the column, right click on the column and select Edit Appearance.
14:47	Edit Object Appearance windows opens on the right.
14:51	We will change the length and height of the object.
14:55	Enter 75 against Length.
14:59	Enter 150 against Height.
15:02	Let us now arrange the flowsheet.
15:05	Now, solve the DWSIM flowsheet by pressing F5 button or clicking on Solve Flowsheet.
15:14	When the calculations are completed, we will check for the stream-wise material balance.
15:20	Go to Insert menu and select Master Property Table.
15:25	Double-click on the Master Property Table to edit.
15:29	Configure Master Property Table window opens.
15:33	In the Name field, type: Stream Wise Results – Absorption Column.
15:39	In the Object Type, select Material Stream.
15:43	By default, Material Stream is already selected.
15:47	Under Properties to display, select Object as Absorbent Oil, Feed Gas, Lean Gas and Rich Oil.
16:00	Under Property, scroll down to see all the parameters.
16:06	Now select the properties as Temperature,
16:11	Pressure, Mass Flow,
16:15	Molar Flow,
16:19	Molar Flow (Mixture) / Methane,
16:22	Mass Flow (Mixture) / Methane,
16:26	Molar Flow (Mixture) / Ethane,
16:29	Mass Flow (Mixture) / Ethane,
16:33	Molar Flow (Mixture) / Propane,
16:36	Mass Flow (Mixture) / Propane,
16:40	Molar Flow (Mixture) / N-butane,
16:43	Mass Flow (Mixture) / N-butane,
16:47	Molar Flow (Mixture) / N-pentane,
16:50	Mass Flow (Mixture) / N-pentane,
16:54	Molar Flow (Mixture) / N-dodecane and Mass Flow (Mixture) / N-dodecane.
17:00	Close this window.
17:02	Move the Master Property Table for better visibility.
17:08	Here we can see the corresponding results for Inlet and Outlet Streams.
17:13	Let's summarize.
17:15	In this tutorial, we have learnt to: simulate an Absorption Column,
17:21	use ChemSep column as CAPE-OPEN Unit Operation,
17:25	specify Thermodynamics in ChemSep column,
17:29	specify Pressure profiles & Method in ChemSep column.
17:34	As an assignment, repeat this simulation with different compounds and thermodynamics.
17:41	Watch the video available at following link. It summarizes the Spoken Tutorial project.
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17:55	Gives certificates to those who pass an online test. For more details, please write to us.
18:02	Please post your times queries in this forum.
18:06	The FOSSEE team coordinates conversion of existing flow sheets into DWSIM.
18:12	We give honorarium and certificates. For more details, please visit this site.
18:19	The FOSSEE team coordinates coding of solved examples of popular books.
18:25	We give honorarium and certificates . For more details, please visit this site.
18:32	The FOSSEE team helps migrate commercial simulator labs to DWSIM.
18:38	We give honorarium and certificates. For more details, please visit this site
18:45	Spoken Tutorial and FOSSEE projects are funded by NMEICT, MHRD, Government of India.
18:54	This tutorial is contributed by Kaushik Datta and Priyam Nayak. Thanks for joining.

Contributors and Content Editors

PoojaMoolya, Sandhya.np14