CELLULOSE PRODUCTION PROCESS Russian patent published in 2003 - IPC

Abstract RU 2206654 C1

FIELD: paper-and-pulp industry. SUBSTANCE: cellulose is prepared by cooking crushed vegetable raw material with hydrogen peroxide solution in presence of multicomponent catalyst, in particular mixture of tungstic acid or its salts, molybdenic acid or its salts, and sulfuric acid. EFFECT: increased efficiency and selectivity of oxidative delignification of vegetable material, increased yield of low-grade cellulose, and reduced consumption of hydrogen peroxide. 2 tbl, 2 ex

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RU 2 206 654 C1

Authors

Pen R.Z.

Byvshev A.V.

Shapiro I.L.

Miroshnichenko I.V.

Dates

2003-06-20—Published

2002-02-04—Filed