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2 123 552

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IPC

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Application

95106593/12, 1995-04-25

(22)

Actual filing date

1995-04-25

(45)

Published

1998-12-20

(72)

Inventor

Sergeev A.D.Petrenev V.A.At'Man O.P.

(73)

Holder

Aktsionernoe Obshchestvo Otkrytogo Tipa Sibirskij Nauchno-Issledovatel'Skij Institut Lesnoj I Tselljulozno-Bumazhnoj Promyshlennosti

METHOD OF BLEACHING CELLULOSE Russian patent published in 1998 - IPC

Abstract RU 2123552 C1

FIELD: pulp-and-paper industry. SUBSTANCE: cellulose is treated with oxygen and then with chlorine dioxide in presence of Trilon B (2-10 g per 1 t cellulose), and finally with hydrogen peroxide. EFFECT: enhanced process efficiency. 2 tbl

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RU 2 123 552 C1

Authors

Sergeev A.D.

Petrenev V.A.

At'Man O.P.

Dates

1998-12-20—Published

1995-04-25—Filed

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