vacuum system in industry

[blackstone]

Hello everyone
I have a problem,how to use aspen or proII to silulate the vacuum system to know the energy it used. For exemple,if i want to simulate a column but it designed blew the atm.how can i caculate the energy for all of them.thank you very much

[poya2000]

Dear all
I need password for shell standard DEP 25.please send me as soon as possible via ali.kianpour@gmail.com.