パルプ漂白方法 - RHODIA CONSUMER SPECIA LTIES LIMITED

Title:

パルプ漂白方法

Document Type and Number:

Japanese Patent JP4884630

Kind Code:

B2

Abstract:

Pulping liquors used in the bleaching of pulps by hydrogen peroxide, and containing catalase-producing bacteria and/or catalase enzyme are treated with tris (hydroxymethyl) phosphine or a tetrakis (hydroxymethyl) phosphonium salt to kill the bacteria and destroy the enzyme.

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JPH10310988	CONTINUOUS METHOD FOR DELIGNIFYING AND/OR BLEACHING RAW OR RECYCLED CHEMICAL PAPER PULP
JP5491687	Methods and equipment for pulping lignocellulosic material.

Inventors:

Bordery, Ruth Elizabeth
Edmunds, Stephanie
Talbot, Robert Eric

Application Number:

JP2001553452A

Publication Date:

February 29, 2012

Filing Date:

January 16, 2001

Export Citation:

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Assignee:

RHODIA CONSUMER SPECIA LTIES LIMITED

International Classes:

D21C9/16; D21C5/00; D21C11/00

Domestic Patent References:

JP7268791A
JP7324293A
JP6345790A
JP10509141A
JP2273605A
JP8507932A

Foreign References:

WO1999033345A1

Attorney, Agent or Firm:

Michiharu Soga
Yutaka Ikeya
Hidetoshi Furukawa
Suzuki Kenchi
Kajinami order
Taizo Shiraishi

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