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Method for separation of matter from suspension

  • US 5,738,792 A
  • Filed: 09/06/1994
  • Issued: 04/14/1998
  • Est. Priority Date: 03/21/1984
  • Status: Expired due to Term
First Claim
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1. A method for filtering filtrate from a cellular suspension comprising the steps offeeding the cellular suspension into a space defined between an inner surface of a stationary housing body and an outer surface of a rotor rotatable within the stationary housing body, the inner surface of the stationary housing body carrying a microporous filter membrane,rotating the rotor at a rate selected to establish annular vortices about the rotor substantially filling the space,passing filtrate through the microporous filter membrane to the inner surface of the housing body, andcollecting filtrate passing through the microporous filter membrane via a conduit in the stationary housing body that communicates with the inner surface of the stationary housing body.

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