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Forum index » Science and Technology » Engineering » Chemical
VLLE equilibrium calculation
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belaid1969@hotmail.com
science forum beginner


Joined: 16 May 2006
Posts: 7

PostPosted: Tue May 16, 2006 6:30 am    Post subject: VLLE equilibrium calculation Reply with quote

Hi every body,

Can any one help. I'm looking for an algorithm or a program for the
calculation of vapor liquid liquid equilibrium. I'm working on matlab,
but any other language is welcome. You can also give some references if
a program is not available.

Thanks

Distbel
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Fred2
science forum beginner


Joined: 16 May 2006
Posts: 1

PostPosted: Tue May 16, 2006 7:14 am    Post subject: Re: VLLE equilibrium calculation Reply with quote

Hi,

Ask processium (see the web site http://www.processium.com). They have
an interesting tool on the Internet to do that.

Regards,

Fred
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Torben Laursen
science forum beginner


Joined: 05 Jun 2005
Posts: 5

PostPosted: Tue May 16, 2006 12:01 pm    Post subject: Re: VLLE equilibrium calculation Reply with quote

Hi

If you have time (and money)
http://www.ivc-sep.kt.dtu.dk/COURSES/MLM&JMM%202006.pdf

Otherwise here are some good articles:

Michelsen, M.L.
The Isothermal Flash Problem. Part 1. Stability
Fluid Phase Equilibria, 1982, 9, pp. 1-9

Michelsen, M.L.
The Isothermal Flash Problem. Part II. Phase-Spit Calculation
Fluid Phase Equilibria, 1982, 9, 21-40

Heidemann, R.A.
Michelsen, M.L.
Instability of Successive Substitution
Ind. Eng. Chem. Res., 1995, 34, 958-966

Regards Torben
VLXE

<belaid1969@hotmail.com> wrote in message
news:1147761027.776451.291590@u72g2000cwu.googlegroups.com...
Quote:
Hi every body,

Can any one help. I'm looking for an algorithm or a program for the
calculation of vapor liquid liquid equilibrium. I'm working on matlab,
but any other language is welcome. You can also give some references if
a program is not available.

Thanks

Distbel
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belaid1969@hotmail.com
science forum beginner


Joined: 16 May 2006
Posts: 7

PostPosted: Tue May 16, 2006 2:49 pm    Post subject: Re: VLLE equilibrium calculation Reply with quote

Thank you for the information.

In fact time is for me problem because I want to make my calculation in
this periode and not in september, and money also because I'm a student
and I' can not pay for a special courses. However thank you for the
information.

Regards
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belaid1969@hotmail.com
science forum beginner


Joined: 16 May 2006
Posts: 7

PostPosted: Tue May 16, 2006 2:56 pm    Post subject: Re: VLLE equilibrium calculation Reply with quote

Thank you for the information
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rudnyi
science forum addict


Joined: 20 May 2005
Posts: 75

PostPosted: Wed May 17, 2006 11:28 am    Post subject: Re: VLLE equilibrium calculation Reply with quote

Quote:
Can any one help. I'm looking for an algorithm or a program for the
calculation of vapor liquid liquid equilibrium. I'm working on matlab,
but any other language is welcome. You can also give some references if
a program is not available.

You can have a look at my tdlib

http://evgenii.rudnyi.ru/doc/misc/tdlib.html

but the main problem is to escape the trivial solution when there is a
miscibility gap.

Evgenii
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Kelvin Hales
science forum beginner


Joined: 03 May 2005
Posts: 45

PostPosted: Wed May 17, 2006 1:40 pm    Post subject: Re: VLLE equilibrium calculation Reply with quote

As you are a student then this won't help (unless you can persuade your
university to take out a license); but for future information:
<http://www.khace.com/products/multiflash>

Kelvin B. Hales
Kelvin Hales Associates Limited
Consulting Process Control Engineers
Web: www.khace.com
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Google

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