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(19)

(11)

2 413 808

(13)

(51)

IPC

D21C5/00(2006-01-01)

D21C3/02(2006-01-01)

D21C9/00(2006-01-01)

D21C9/02(2006-01-01)

D21C9/16(2006-01-01)

(21) (22)

Application

2010120156/12, 2010-05-19

(24)

Start date

2010-05-19

(22)

Actual filing date

2010-05-19

(45)

Published

2011-03-10

(72)

Inventor

Nugmanov Oleg KagarmanovichGrigor'Eva Nadezhda PetrovnaNusinovich David SukherovichLebedev Nikolaj Alekseevich

(73)

Holder

Otkrytoe Aktsionernoe Obshchestvo Institut Po Neftepromyslovoj Khimii"

METHOD TO PRODUCE CELLULOSE Russian patent published in 2011 - IPC D21C5/00 D21C3/02 D21C9/00 D21C9/02 D21C9/16

Abstract RU 2413808 C1

FIELD: textile, paper.

SUBSTANCE: method is carried out by means of subsequent soaking of cellulose-containing herbal raw materials in alkaline solution, thermomechanical treatment, squeezing, washing, bleaching, squeezing, washing, squeezing and drying, besides, squeezing and washing are done in pulsating centrifuge.

EFFECT: higher yield of cellulose, reduced norms of consumption of initial reagents and water and reduced power inputs.

1 tbl, 3 ex

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RU 2 413 808 C1

Authors

Nugmanov Oleg Kagarmanovich

Grigor'Eva Nadezhda Petrovna

Nusinovich David Sukherovich

Lebedev Nikolaj Alekseevich

Dates

2011-03-10—Published

2010-05-19—Filed