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Recovery of fermentation salts from dilute aqueous solutions

  • US 6,478,965 B1
  • Filed: 11/16/1999
  • Issued: 11/12/2002
  • Est. Priority Date: 06/30/1997
  • Status: Expired due to Fees
First Claim
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1. An extraction tank comprisinga mixing section adapted for mixing a first fluid input stream and a second fluid input stream;

  • a separating section comprising a plurality of plates parallel to each other and in substantially horizontal orientation; and

    a gathering section adapted for collecting an upper fluid layer and a lower aqueous fluid layer, having two weirs, a first weir being in fluid communication with the upper fluid layer and a second weir in fluid communication with the lower layer, the two weirs being in fluid communication with a first collection structure and a second collection structure, respectively;

    wherein one end of the parallel plates of the separating section is in fluid communication with the mixing section and an other end of the parallel plates is in fluid communication with the gathering section.

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