Electrodialysis of acid whey

Details Electrodialysis of acid whey Electrodialysis of acid whey

1979-08-31

1980-10-14

Prescott, Arthur C.

Chemistry: electrical and wave energy

Processes and products

Electrostatic field or electrical discharge

204301, B01D 1302

Patent

active

042279810

ABSTRACT:
Reduction of ash and titratable acidity in liquid whey is accomplished by electrodialysis, without substantial precipitate formation, by passing at least a portion of the whey through a demineralization unit composed of a number of whey streams each bounded on both sides by brine streams, the streams being separated by cation and anion membranes arranged in an alternate sequence; and passing at least a portion of the whey through a deacidification unit composed of a plurality of whey streams bounded by a brine stream on one side and by a caustic solution stream on the other, the streams being separated by the sequence of cation-anion-anion-cation-etc., membranes wherein the whey stream is disposed between a pair of anion membranes.

REFERENCES:
patent: 3615664 (1971-10-01), Francis
patent: 3616386 (1971-10-01), Scheder
patent: 3755134 (1973-08-01), Francis et al.
patent: 3767548 (1973-10-01), Okada et al.

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