METHOD OF PRODUCING NANOCRYSTALLINE HIGH-PURITY CELLULOSE Russian patent published in 2015 - IPC C08B15/00 B82B3/00 D01F2/00 

Abstract RU 2550397 C1

FIELD: chemistry.

SUBSTANCE: method includes fractionating feed stock, steaming fractions with fourfold washing, first acid hydrolysis with threefold washing, second acid hydrolysis with threefold washing, third acid hydrolysis with threefold washing, first bleaching with threefold washing and second bleaching with fourfold washing.

EFFECT: improved quality of the end product and optimisation of the process.

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RU 2 550 397 C1

Authors

Levin Mark Nikolaevich

Belozerskikh Marija Il'Inichna

Levina Anna Markovna

Dates

2015-05-10Published

2013-10-29Filed