Concentration of aqueous pseudoplastic solutions by membrane...

Details Concentration of aqueous pseudoplastic solutions by membrane... Concentration of aqueous pseudoplastic solutions by membrane...

C - Chemistry, Metallurgy

12

P

182/15.3

C12P 19/04 (2006.01) C12P 19/06 (2006.01)

Patent

CA 1185539

CONCENTRATION OF AQUEOUS PSEUDOPLASTIC SOLUTIONS BY MEMBRANE ULTRAFILTRATION Abstract A method of concentrating an aqueous, highly- pseudoplastic biopolymer solution or preconcentrate having an apparent viscosity of at least about 3,000 centipoise comprising subjecting said solution or preconcentrate to membrane ultrafiltration at a linear flow velocity of at least about 40 cm/sec across said membrane surface, while exerting an average pressure differential across said membrane of at least about 2.0 atmospheres.

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