METHOD FOR PRODUCING MICROCRYSTALLINE CELLULOSE Russian patent published in 2003 - IPC

Abstract RU 2203995 C1

FIELD: pharmaceutical, food-processing, perfume and other branches of industry. SUBSTANCE: method involves processing wood wastes, such as sawdust, with mixture of 35% hydrogen peroxide and 30% acetic acid in the presence of sulfuric acid at liquor ratio of 10-15:1, temperature of 120-140 C and process duration of 1-3 hours. EFFECT: wider raw material stock, simplified process, improved quality, reduced cost of base product, and improved ecology control. 7 cl, 2 tbl

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RU 2 203 995 C1

Authors

Danilov V.G.

Jatsenkova O.V.

Kuznetsova S.A.

Kuznetsov B.N.

Dates

2003-05-10—Published

2002-07-09—Filed