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I'm trying to simulate a LPG recovery unit using Aspen plus software. But the software doesn't show any condensation of heavy hydrocarbons at temperatures as low as -70°C which is usually the safety limit of the plant. My hand calculations show that heavy hydrocarbons should condense at -35°C but it's not happening in Aspen.
How can I fix this issue?
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Aspen Plus : Natural Gas Components Don't Condense To Liquid After
Started by Lantern1122, Aug 20 2021 01:45 PM
2 replies to this topic
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#2
Pilesar
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Posted 20 August 2021 - 02:29 PM
From what I see of your simulation (which is absolutely nothing) it all looks good. So check the components. Check the thermo method. Check the stream conditions. Check the block unit conditions. If you still don't see the problem, have someone else review your model and maybe they will notice something you overlooked.
#3
lnbsak
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Posted 02 September 2021 - 03:50 PM
In addition How did you specify your Inlets? Where the psudocompnents you specified accordingly representative to your process plant ?
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