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2 159 286

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Application

99109158/13, 1999-04-27

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Start date

1999-04-27

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Actual filing date

1999-04-27

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Published

2000-11-20

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Inventor

Makagonova N.N.Gurevich M.A.

(73)

Holder

Vserossijskij Nauchno-Issledovatel'Skij Institut Pishchevykh Aromatizatorov, Kislot I Krasitelej

CITRIC ACID PRODUCTION PROCESS Russian patent published in 2000 - IPC

Abstract RU 2159286 C1

FIELD: biotechnology. SUBSTANCE: in a citric acid production process, fermented solution is purified by bentonite suspension, after which solution is treated with coal-fiber sorbent taken in amounts 2.0 to 12.0 per 1 cu.dm solution. Sorption pore volume limit is 0.30 to 0.80 cu,cm/g. EFFECT: weakened coloration and decreased impurity level in purified solution. 2 cl, 1 tbl, 9 ex

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RU 2 159 286 C1

Authors

Makagonova N.N.

Gurevich M.A.

Dates

2000-11-20—Published

1999-04-27—Filed

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