Citric acid producing process

In the citric acid producing process, citric acid is produced by using rice as raw material and through the steps of milling rice into rice milk, adding high-temperature liquid amylase, filtering, fermentation in seed-inoculating tank, filtering, neutralizing with calcium carbonate, regulating acidi...

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Bibliographic Details
Main Authors DEZHI LI, LISHENG HUANG, GEZHI LI
Format Patent
LanguageEnglish
Published 21.02.2001
Edition7
Subjects
BEER
BIOCHEMISTRY
CHEMISTRY
ENZYMOLOGY
FERMENTATION OR ENZYME-USING PROCESSES TO SYNTHESISE A DESIREDCHEMICAL COMPOUND OR COMPOSITION OR TO SEPARATE OPTICAL ISOMERSFROM A RACEMIC MIXTURE
METALLURGY
MICROBIOLOGY
MUTATION OR GENETIC ENGINEERING
SPIRITS
VINEGAR
WINE
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Summary:In the citric acid producing process, citric acid is produced by using rice as raw material and through the steps of milling rice into rice milk, adding high-temperature liquid amylase, filtering, fermentation in seed-inoculating tank, filtering, neutralizing with calcium carbonate, regulating acidity, decoloring, ion exchange, concentration, crystallization and drying. Producing citric acid through direct fermentation of rice has low cost, high citric acid yield and short fermentation period.
Bibliography:Application Number: CN2000115980