METHOD OF PRODUCING CELLULOSE INTERMEDIATE PRODUCT Russian patent published in 2011 - IPC D21C3/00 

Abstract RU 2413045 C1

FIELD: chemistry.

SUBSTANCE: water suspension of crushed aspen wood is put into a flow reactor and ozonised. Ozonation is carried out with concentration of ozone in the ozone-oxygen mixture equal to 90 mg/l, gas flow rate equal to 2-4 l/h and temperature of 20°C and hydromodulus between 0.1:1.0 and 1.6:1.0.

EFFECT: high quality of the cellulose intermediate product, low consumption of reagents, high ecological cleanness of the process.

5 ex, 2 tbl

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RU 2 413 045 C1

Authors

Mamleeva Nadezhda Alekseevna

Autlov Stanislav Arturovich

Bazarnova Natal'Ja Grigor'Evna

Lunin Valerij Vasil'Evich

Dates

2011-02-27Published

2009-11-17Filed