I think U.F Membrane System ...
Published by Michae Soe Myint, Sr chemical engineeri
I think U.F Membrane System by drivrn 12 VDC is suitable for your requirement.
Gray water also can be filtered by U.F filter.
U.F Membrane can be removed (1) up to 0.01 micron of Suspended Solid(2) 95% of Bacteria( 3) Oil &(4) Dissolved Protein.
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