Retention of counterions in the separative bioreactor

Details Retention of counterions in the separative bioreactor Retention of counterions in the separative bioreactor

2011-08-30

2011-08-30

Phasge, Arun S (Department: 1724)

Chemistry: electrical and wave energy

Processes and products

Electrophoresis or electro-osmosis processes and electrolyte...

C204S632000

Reexamination Certificate

active

08007647

ABSTRACT:
A bioreactor with an anode and a cathode, and a plurality of reaction chambers each having an inlet and an outlet and each including a porous solid ion exchange wafer having ion-exchange resins. Each of the reaction chambers is interleaved between a cation exchange membrane and an anion exchange membrane or between either a cation or an anion exchange membrane and a bipolar exchange membrane. A product chamber is separated from one of the reaction chambers by either a cation or an anion exchange membrane. Recirculation mechanism is provided for transporting material between the reaction chamber inlets and outlets. A method of producing organic acids, amino acids, or amines using the separative bioreactor is disclosed.

REFERENCES:
patent: 3767548 (1973-10-01), Okada et al.
patent: 5980961 (1999-11-01), Berrocal et al.
patent: 6495014 (2002-12-01), Datta et al.
patent: 6797140 (2004-09-01), Lin et al.
patent: 2004/0115783 (2004-06-01), Arora et al.

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