Process for the coupled production of sweet whey and lactic acid from acid whey

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United States of America Patent

PATENT NO 10611717
SERIAL NO

15868000

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Abstract

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A process for the coupled production of sweet whey and lactic acid from acid whey is suggested, comprising the following steps:

    (a) providing acid whey having a lactic acid content of about 0.1 to about 1% by weight;(b) nanofiltration of the acid whey, obtaining a first permeate P1 and a first retentate R1; (c) optionally, redilution of the first retentate R1 with water to reconstitute the initial dry matter content, and preparation of the second nanofiltration step;(d) nanofiltration or nano-diafiltration of the retentate R1, obtaining a second permeate P2 and sweet whey as a second retentate R2; (e) combining the two permeates P1 and P2 and subjecting the mixture to reverse osmosis, obtaining a third permeate P3 which, substantially, only contains water, and a concentrate of lactic acid as a third retentate R3.

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Patent Owner(s)

Patent OwnerAddress
DMK DEUTSCHES MILCHKONTOR GMBH27404 ZEVEN

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Döring, Sven-Rainer Zeven, DE 32 17
Hunold, Mareike Zeven, DE 1 0

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