The Process Simulation Cup is in the full swing now. A significant (!) number of variables you submitted so far led to some observations. Here are few important flowsheet updates to make sure everything is clear:
Hope that helps!
What is more -- most submissions (including the initial solution given in the reference job for download) result in high gas temperatures (> 200°C) at the compressor outlets. Whereas it is not really a problem for the Cup, in a real plant the compressor outlet temperatures should not become too high, as high temperatures require expensive materials for the equipment and the pipelines. Thus, we decided to add another compressor with an additional intermediate cooling stage. This furthermore adds a degree of freedom to the PSC so that 8 design variables can be specified now.
In case you have any additional questions, let us know at firstname.lastname@example.org or ask us on facebook!
Process Simulation Cup Team
27 June 2016