Difference between revisions of "DWSIM/C3/Absorption-Column/English-timed"

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| | In this tutorial, we will learn to: simulate an '''Absorption Column''',  
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| | In this tutorial, we will learn to: '''simulate''' an '''Absorption Column''',  
  
 
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| | 00:16
 
| | 00:16
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| |  use '''ChemSep '''column as '''CAPE-OPEN '''Unit Operation,  
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| |  use '''ChemSep '''column as '''CAPE-OPEN Unit Operation''',  
  
 
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| | The process demonstrated in this tutorial is identical in other OS also such as-  
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| | The process demonstrated in this tutorial is identical in other '''OS''' also such as-  
  
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'''Linux'''  
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'''Linux''',
  
 
'''Mac OS X''' or  
 
'''Mac OS X''' or  
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| | aelect '''thermodynamic''' packages,  
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| | select '''thermodynamic''' packages,  
  
 
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| | Let us maximize the simulation window.  
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| | Let us maximize the '''simulation window'''.  
  
 
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| | 03:10
 
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| | Now let’s insert a '''feed stream''' that enters the '''Absorption Column'''.  
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| | Now, let’s insert a '''feed stream''' that enters the '''Absorption Column'''.  
  
 
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| | Now we will specify the '''Absorbent Oil stream''' properties.  
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| | Now, we will specify the '''Absorbent Oil stream''' properties.  
  
 
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| | Change '''Temperature''' to '''32 degree Centrigade''' and press '''Enter.'''  
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| | Change '''Temperature''' to '''32 degree Centigrade''' and press '''Enter.'''  
  
 
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| | Now let us specify the '''feed stream compositions.'''  
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| | Now, let us specify the '''feed stream compositions.'''  
  
 
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| | Now for '''Methane''', enter the '''Amount''' as '''0''' and press '''Enter.'''  
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| | Now, for '''Methane''', enter the '''Amount''' as '''0''' and press '''Enter.'''  
  
 
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| | Now drag and drop another '''Material Stream '''to the '''flowsheet'''.  
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| | Now, drag and drop another '''Material Stream '''to the '''flowsheet'''.  
  
 
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| | Under '''Composition''', choose the '''Basis''' as '''Mole Fractions''', if not already selected.  
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| | Under '''Compositions''', choose the '''Basis''' as '''Mole Fractions''', if not already selected.  
  
 
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| | Next click on the field against '''<nowiki># Stages </nowiki>'''and enter '''6.'''  
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| | Next, click on the '''field''' against '''<nowiki># Stages </nowiki>'''and enter '''6.'''  
  
 
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| | Another pop-up appears, in which we will click '''No'''.  
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| | Another pop-up appears in which we will click '''No'''.  
  
 
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| | Now we will edit the properties of the '''Absorber'''.  
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| | Now, we will edit the properties of the '''Absorber'''.  
  
 
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| | Here we will define the '''Thermodynamics''', '''Physical Properties''' and '''Reactions''' taking place in the '''column'''.  
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| | Here, we will define the '''Thermodynamics''', '''Physical Properties''' and '''Reactions''' taking place in the '''column'''.  
  
 
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| | A pop-up appears: '''Selection of new EOS model will reset model parameters, continue.'''  
 
| | A pop-up appears: '''Selection of new EOS model will reset model parameters, continue.'''  
  
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Click '''Yes'''  
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Click '''Yes'''.
  
 
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| | Click on drop-down against '''Column Pressure'''.  
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| | Click on the drop-down against '''Column Pressure'''.  
  
 
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| | Here we can select the pressure type to specify for the '''column''' depending on pressure.  
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| | Here, we can select the pressure type to specify for the '''column''' depending on pressure.  
  
 
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| | Now we will select a proper appearance icon for the '''Absorption Column'''.  
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| | Now, we will select a proper appearance icon for the '''Absorption Column'''.  
  
 
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| | '''Edit Object Appearance''' windows opens on the right.  
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| | '''Edit Object Appearance''' window opens on the right.  
  
 
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| | Double-click on the '''Master Property Table '''to '''edit'''.  
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| | Double-click on the '''Master Property Table '''to '''edit''' it.  
  
 
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| | Here we can see the corresponding results for '''Inlet''' and''' Outlet Streams.'''  
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| | Here, we see the corresponding results for '''Inlet''' and''' Outlet Streams.'''  
  
 
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| | The Spoken Tutorial Project Team:  
 
| | The Spoken Tutorial Project Team:  
  
−
Conducts workshops using spoken tutorials  
+
conducts workshops using spoken tutorials,
  
 
|-  
 
|-  
 
| | 17:55
 
| | 17:55
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| |  Gives certificates to those who pass an online test.  
+
| |  gives certificates to those who pass an online test.  
  
 
For more details, please write to us.
 
For more details, please write to us.

Latest revision as of 16:35, 25 September 2018

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 select 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 Centigrade 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 Compositions, 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 the 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 window 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 it.
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 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.
17:49 The Spoken Tutorial Project Team:

conducts workshops using spoken tutorials,

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

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