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I have regressed VLE data and obtained Binary parameters of DME with other HC's. I have simulated well using a short cut distillation unit and used those parameters to design a distillation column. Inspite of changing Feed stages,No of stages and reflux, it is not converging. Damping factor is...

Umesh and Dinu, Thanks a lot for the valuable information. Tanks for the efforts u put in to gather information. I appreciate.. Thanks

DME and Water forms an azeotropic mixture. I couldn't separate DME from water using a distillation column in HYSYS. I have choosen UNIQUAC EOS and binary parameters estimation from UNIFAC method. Plz tell me how the separation is possible??? Thanks a million Mahesh

Thanks a lot Mathur. HOw can i get DECHEMA published data? Can I use Henry's Liquid activity parameters to the solutes present in the hydrocarbon mixture?. In PRO/II, after selecting NRTL package, I went in to modify data n then clicked enter tab to check for any solutes. It has shown...

Hi DInu,. I dun have DECHEMA software. Is there any alternate way to get these parameters?

Thanks for your advice.HYSYS and PRO/II do not have any interaction parameters for DME with methanol,ethanol ropane,propene,butane,butene etc.. for any EOS like NRTL,SRK,UNIQUAC or Wilson. Can u plz guide me.. Thanks Mahesh

Hi All, I couldn't find binary interaction parameters for DME with water and other hydrocarbons in simulators such as HYSYS,PRO/II and Aspen plus.How can i get those parameters? My process is to separate DME from mixture of hydrocarbons(c3-c9) and water. My objective is to recycle DME from the...

Plz help me out... thanks a million in advance!!!

Hi All, I couldn't find binary interaction parameters for DME with water and other hydrocarbons in simulators such as HYSYS,PRO/II and Aspen plus.How can i get those parameters? My process is to separate DME from mixture of hydrocarbons(c3-c9) and water. My objective is to recycle DME from...