PoojaMoolya: Created page with " {|border=1 ||'''Time''' ||'''Narration''' |- | | 00:01 | | Welcome to this tutorial on simulating a '''Gibbs Reactor '''in '''DWSIM.''' |- | |00:07 | | In this tutorial,..."

2021-04-30T10:34:08Z

Created page with " {|border=1 ||'''Time''' ||'''Narration''' |- | | 00:01 | | Welcome to this tutorial on simulating a '''Gibbs Reactor '''in '''DWSIM.''' |- | |00:07 | | In this tutorial,..."

New page

{|border=1
||'''Time'''
||'''Narration'''
|-
| | 00:01
| | Welcome to this tutorial on simulating a '''Gibbs Reactor '''in '''DWSIM.'''

|-
| |00:07
| | In this tutorial, we will learn to:

|-
| |00:10
| | Simulate''' '''a''' Gibbs Reactor'''

|-
| |00:13
| | Use different '''Minimization Methods'''

|-
| |00:16
| | Calculate''' Conversion percentage''' and''' Reaction extent'''

|-
| |00:20
| | Compare '''Equilibrium '''and '''Gibbs Reactor '''values

|-
| | 00:24
| | To record this tutorial, I am using

'''DWSIM 5.2''' '''(Classic UI) update 22''' and '''Windows 10'''

|-
| |00:34
| | The process demonstrated in this tutorial is identical in other OS also such as-

'''Linux''', '''Mac OS X''' or '''FOSSEE OS''' on '''ARM'''.

|-
| | 00:46
| | To practice this tutorial, you should know to-

|-
| |00:49
| | Add components to a '''flowsheet'''

|-
| |00:52
| | Select '''thermodynamic''' packages

|-
| |00:56
| | Add '''material''' and '''energy''' streams and specify their properties

|-
| | 01:01
| | The prerequisite tutorials are mentioned on our website

|-
| |01:06
| | You can access these tutorials and all the associated files from this site.

|-
| |01:12
| | Here we can see the problem statement of the earlier tutorial.

|-
| |01:17
| | This was solved using''' Equilibrium Reactor'''.

|-
| | 01:21
| | Let us open the corresponding file in '''DWSIM'''.

|-
| |01:25
| | I have already opened '''DWSIM''' on my machine.

|-
| |01:30
| | I have already opened '''Equilibrium underscore reactor dot dwxmz''' file.

|-
| |01:37
| | This file can also be downloaded from the '''Code files''' link.

|-
| | 01:42
| | Let me save this as '''Gibbs underscore reactor.'''

|-
| |01:48
| | You can see that the file name has changed now to '''Gibbs underscore reactor.'''

|-
| | 01:54
| | We will solve the same problem using '''Gibbs Reactor''' as solved in '''Equilibrium Reactor.'''

And compare results with that solved in '''Equilibrium Reactor.'''

|-
| | 02:05
| | Let us begin by replacing the '''Equilibrium Reactor''' with a '''Gibbs Reactor'''.

|-
| |02:10
| | Right click on the '''Equilibrium Reactor''' and select '''Delete.'''

|-
| | 02:16
| | Click '''Yes''' to the prompt '''Delete Equilibrium Reactor'''.

|-
| | 02:20
| | Now let us insert a '''Gibbs Reactor''' into the '''flowsheet'''.

|-
| | 02:25
| | Go to '''Flowsheet Objects.'''

|-
| |02:28
| | In the '''Filter List''' tab, type''' Gibbs Reactor.'''

|-
| |02:32
| | Drag and drop it to the '''flowsheet''' in the place of''' Equilibrium Reactor.'''

|-
| | 02:37
| | Let us now arrange it as required.

|-
| | 02:41
| | The reaction required to simulate '''Gibbs Reactor''' is already present.

|-
| |02:47
| | This is because the reaction was already defined while simulating the '''Equilibrium Reactor'''.

|-
| |02:54
| | So we need not define any new reaction.

|-
| | 02:58
| | We are now ready to specify the '''Gibbs Reactor.'''

So let’s click on it.

|-
| | 03:05
| | On the left, we can see a tab displaying properties related to the '''Gibbs Reactor.'''

|-
| | 03:11
| | Under '''Connections,''' click on the drop-down against '''Inlet Stream '''and select '''Feed.'''

|-
| | 03:19
| | Next, click on the drop-down against '''Outlet Stream 1''' and select '''Vapour Product.'''

|-
| | 03:27
| | Then, click on the drop-down against '''Outlet Stream 2''' and select '''Liquid Product.'''

|-
| | 03:35
| | After this, click on the drop-down against '''Energy Stream''' and select '''Energy.'''

|-
| | 03:43
| | Now go to the next section, '''Calculation Parameters.'''

|-
| | 03:47
| | Under the tab '''Parameters''', the first option is '''Reaction Set.'''

By default, it is '''Default Set'''.

|-
| | 03:56
| | Next, click on the drop-down against '''Calculation Mode.'''

|-
| |04:00
| | Select '''Define Outlet Temperature.'''

|-
| | 04:03
| | Next, click on the drop-down against '''Minimization Method.'''

|-
| |04:08
| | Select '''Calculate Reaction Extents.'''

|-
| | 04:12
| | This procedure is similar to '''Equilibrium Reactor'''.

|-
| | 04:16
| | Enter '''225 degree C''' against '''Outlet Temperature.'''

|-
| | 04:22
| | Next, click on '''Compounds''' tab.

|-
| | 04:25
| | This is to indicate the compounds that will react in the reaction.

|-
| |04:30
| | Under '''Compounds''', check all the boxes against all the compounds.

|-
| | 04:36
| | Now we will run the '''simulation.'''

|-
| | 04:39
| | So, from the toolbar, click on '''Solve Flowsheet''' button.

|-
| | 04:44
| | When the calculations are completed, click on the '''Gibbs Reactor '''in the '''flowsheet'''.

|-
| | 04:50
| | Go to the '''Property Editor Window''' of the '''Gibbs Reactor.'''

Locate the '''Results''' section.

|-
| | 04:57
| | Under the '''Reactions''' tab, check '''Extent.''' It is '''20.043.'''

|-
| |05:03
| | This is the extent of the '''water gas shift reaction''' at '''225 degree Centigrade'''.

|-
| |05:09
| | For the '''Equilibrium Reactor''', it was '''20.043''' as well.

|-
| | 05:14
| | Now, go to '''Conversions''' tab.

|-
| |05:17
| | We will look into the individual conversion of all the reactants.

|-
| |05:22
| | Here for '''Carbon monoxide,''' the conversion is '''92.2478%''' and for '''Water,''' it is '''92.2478%.'''

|-
| |05:34
| | For the '''Equilibrium Reactor''', the conversions for both the compounds were '''92.2478%''' as well.

|-
| | 05:42
| | Let us now redo the simulation with the other available '''Minimization Method'''.

|-
| |05:47
| | This '''Minimization Method''' is called '''Direct Gibbs Energy Minimization'''.

|-
| | 05:52
| | Let us go back to the slides.
|-
| | 05:55
| | In this method, '''Equilibrium composition''' for the final '''Gibbs energy''' is at minimum.

|-
| |06:01
| | This method does not use any reaction to calculate the '''Gibbs energy'''.

|-
| |06:06
| | Rather it uses an '''Element Matrix''' that we are going to define later.

|-
| | 06:12
| | Let us verify this.

|-
| | 06:15
| | The default reaction which is already set, has a reaction in it.

|-
| |06:20
| | So, let’s create a reaction set with no reaction.

|-
| | 06:25
| | Under '''Tools''', click on '''Reactions Manager.'''

|-
| |06:30
| | '''Chemical Reactions Manager''' window opens.

|-
| | 06:34
| | Under '''Reaction Sets''' tab, click on the green coloured '''Add New Reaction Set''' button.

|-
| | 06:40
| | '''DWSIM – Reaction Set Editor''' window opens.

|-
| | 06:45
| | Under '''Identification''', enter the '''Name''' as '''No Reaction.'''

|-
| | 06:51
| | At the bottom, click on '''OK''' button.

|-
| |06:54
| | And then close the '''Chemical Reactions Manager''' window.

|-
| |06:59
| | Now press '''Solve Flowsheet''' button.

|-
| | 07:02
| | A reaction set with no reaction is created.

|-
| | 07:06
| | Note that, this step of creating a reaction set with no reaction is not required.

|-
| |07:12
| | I am doing this to demonstrate that '''Direct Gibbs Energy Minimization method''' works without any reaction.

|-
| | 07:19
| | Once again click on the '''Gibbs Reactor.'''

|-
| | 07:23
| | Go to '''Calculation Parameters''' section.

|-
| | 07:26
| | Then click on the drop-down against '''Reaction Set '''and select '''No Reaction.'''

|-
| | 07:34
| | There will be no change in '''Calculation Mode. '''

|-
| |07:38
| | It will remain the same as '''Define Outlet Temperature. '''

|-
| | 07:42
| | Next, click on the drop-down against '''Minimization Method.'''

|-
| |07:48
| | Select '''Direct Gibbs Energy Minimization.'''

|-
| | 07:52
| | Again, there will be no change in '''Outlet Temperature. '''

|-
| |07:56
| | It will remain as '''225 degree Centigrade. '''

|-
| | 08:00
| | After this, go to '''Compounds '''tab.

|-
| |08:04
| | Note that, all the checkboxes are already selected.

|-
| | 08:09
| | Now go to '''Elements''' tab.

|-
| |08:12
| | In this tab, we will enter the required elements for the reaction.

|-
| |08:17
| | They are '''Hydrogen'''. '''Oxygen''' and '''Carbon.

|-
| |08:22
| | We will also specify the number of elements present in the selected compounds.

|-
| | 08:28
| | Under '''Configuration''', click on '''Add Element''' three times.

|-
| |08:34
| | Under '''Matrix''', we can see that three blank rows has been inserted.

|-
| |08:40
| | For the first blank row, enter '''H '''for''' Hydrogen.'''

|-
| | 08:45
| | For the next blank row, enter '''O '''for '''Oxygen'''.

|-
| | 08:50
| | For the last blank row, enter '''C '''for''' Carbon.'''

|-
| | 08:55
| | All the elements have been added.

|-
| |08:58
| | Now, we will enter the number of elements for all the selected compounds.

|-
| | 09:04
| | Under '''Carbon monoxide''' column, enter:

'''0''' for '''H''', '''1''' for '''O''', and '''1''' for '''C'''. Then press '''Enter.'''

|-
| |09:16
| | Similarly, under '''Water''' column, enter:

'''2''' for '''H''', '''1''' for '''O''', and '''0''' for '''C'''. Then press '''Enter.'''

|-
| | 09:29
| | Next, under '''Hydrogen''' column, enter:

'''2''' for '''H''', '''0''' for '''O''', and '''0''' for '''C'''. Then press '''Enter.'''

|-
| | 09:40
| | Similarly, under '''Carbon dioxide''' column, enter:

'''0''' for '''H''', '''2''' for '''O''', and '''1''' for '''C'''. Then press '''Enter.'''

|-
| | 09:54
| | Click on''' Save Changes '''button.

|-
| | 09:57
| | The '''element matrix''' is now complete.

|-
| | 10:00
| | Now we will run the '''simulation.'''

|-
| | 10:03
| | So, from the toolbar, click on '''Solve Flowsheet''' button.

|-
| | 10:08
| | When the calculations are completed, click on the '''Gibbs Reactor '''in the '''flowsheet'''.

|-
| | 10:14
| | Go to the '''Property Editor Window''' of the '''Gibbs Reactor.'''

Locate the '''Results''' section.
|-
| | 10:21
| | Under '''Conversions''' tab, check the individual compounds conversion.

|-
| |10:26
| | Here for '''Carbon monoxide,''' the conversion is '''92.2478%''' and for '''Water,''' it is '''92.2478%.'''

|-
| | 10:38
| | In all the above explained '''methods''', conversions for both the compounds was found to be '''92.2478%'''

|-
| | 10:47
| | Let's summarize.

|-
| | 10:49
| | In this tutorial, we have learnt to

'''Simulate '''a''' Gibbs Reactor''', Use different '''Minimization Methods''', Calculate''' Conversion percentage''' and''' Reaction extent''', Compare '''Equilibrium '''and '''Gibbs Reactor '''values

|-
| |11:05
| | As an assignment,

Repeat this simulation with different '''compounds''' and '''thermodynamics'''.

|-
| |11:12
| | Different '''feed conditions ''' , Different '''Minimization Methods'''

|-
| |11:17
| | Watch the video available at the following link.

It summarizes the Spoken Tutorial project.

|-
| | 11:24
| | The Spoken Tutorial Project Team conducts workshops and gives certificates.

For more details, please write to us.

|-
| | 11:33
| | Please post your times queries in this forum.

|-
| | 11:37
| | The '''FOSSEE''' team coordinates conversion of existing flowsheets into '''DWSIM.'''

|-
| |11:43
| | We give honorarium and certificates.

For more details, please visit this site.

|-
| | 11:50
| | The '''FOSSEE''' team coordinates coding of solved examples of popular books.

|-
| |11:56
| | We give honorarium and certificates.

For more details, please visit this site.

|-
| | 12:03
| | The '''FOSSEE''' team helps migrate commercial simulator labs to '''DWSIM.'''

|-
| |12:10
| | We give honorarium and certificates.

For more details, please visit this site.

|-
| |12:16
| | '''Spoken Tutorial''' and '''FOSSEE''' projects are funded by '''NMEICT, MHRD''', Government of India.

|-
| |12:25
| | This tutorial is contributed by Kaushik Datta and Priyam Nayak.

Thanks for joining.
|-
|}

DWSIM/C2/Gibbs-Reactor/English-timed - Revision history

PoojaMoolya: Created page with " {|border=1 ||'''Time''' ||'''Narration''' |- | | 00:01 | | Welcome to this tutorial on simulating a '''Gibbs Reactor '''in '''DWSIM.''' |- | |00:07 | | In this tutorial,..."