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I just checked the specs and the solvent wash is 2.5 times the press volume so I may have answered my own question. We did have about 23% loss between fermentation and when we collected the concentrate from the evaporators so I am still trying to improve on that with better filtration...

Background: Fermentation process upstream yields extracellular product. Cool, add solvent, add filter aid, filter on MFP, wash cake with solvent (0.5 volume of feed) send filtrate to 2 stage evaporator, recover solvent in distillation column. send concentrate off evap to tank, heat, settle...

I was just on the phone with one of those representatives: for Parker Hanifin. Also, I have been working with Pall and Cuno reps as well. Thanks for your post and Happy New Year to all.

All, I am interested in finding out any information or resources on edible oil filtration. Our oil is extracted from microalgae and has biosolids cell debris in the oil after centrifugation. Thanks, jmp

Thanks aspearin1 for your input. Merry Christmas.

yes. Thanks Orenda. A colleague and I will be investigating a solution to this problem and we will seriously consider all options presented.

We extract an edible oil from a biosource with isopropanol. The IPA/nonrecovered oil/bio solids/water stream from the process is fed to a two-stage falling film evap to recover the ipa with the waste stream off the second stage consisting of 3% oil, 94100 TSS (mg/l), and water. The oil and the...