Method for removing readily carbonizable substances out of sodium citrate

The invention relates to a method for removing readily carbonizable substances out of sodium citrate. The readily carbonizable substances in sodium citrate are removed by adding concentrated sulfuric acid and a calcium source into a citric acid mother liquid and by using treatment modes such as plat...

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Bibliographic Details
Main Authors ZHOU YIJIANG, AN FENGMIN, LI CHANGTAO, ZHANG LINGLING, KOU GUANGZHI, YUAN QICHEN
Format Patent
LanguageChinese
English
Published 14.05.2014
Subjects
ACYCLIC OR CARBOCYCLIC COMPOUNDS
CHEMISTRY
METALLURGY
ORGANIC CHEMISTRY
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Summary:The invention relates to a method for removing readily carbonizable substances out of sodium citrate. The readily carbonizable substances in sodium citrate are removed by adding concentrated sulfuric acid and a calcium source into a citric acid mother liquid and by using treatment modes such as plate frame filtration, the method is effectively combined into a sodium citrate production process, the readily carbonization value of a sodium citrate finished product is greatly reduced, the prepared sodium citrate crystal is stable in quality and high in quality, and moreover the process is low in cost and has good industrial application prospect.
Bibliography:Application Number: CN201410009974