METHOD OF PREPARING POWDERED CELLULOSE Russian patent published in 1999 - IPC

Abstract RU 2137779 C1

FIELD: paper-and-pulp industry. SUBSTANCE: method is distinguished by that fibrous cellulose, prior to be ground, is affected by ozone by way of bubbling ozone-oxygen mixture through water-cellulose suspension until 3-4% of ozone is absorbed based on the weight of initial cellulose. EFFECT: improved environmental condition. 2 cl, 15 ex

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RU 2 137 779 C1

Authors

Kukovitskij B.F.

Demin V.A.

Dates

1999-09-20—Published

1997-11-24—Filed