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Document Type and Number:
Japanese Patent JPH0215669
Kind Code:
B2
Abstract:
A process of manufacturing cellulose pulp from wood by digesting the wood with sulphite cooking liquor containing additions of sulphide and in the presence of a quinone or hydroquinone compound. According to the invention, the mole ratio between sulphide and sulphite shall amount to 0.01-0.2, preferably 0.05-0.15, suitably 0.08-0.12.

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Inventors:
TEDERU ANTSU
ORUMU REERO
UIKEN YANNERIKU
Application Number:
JP50395185A
Publication Date:
April 12, 1990
Filing Date:
August 29, 1985
Export Citation:
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Assignee:
SUBENSUKA TOREFUORUSUKUNINGUSU INST
International Classes:
D21C3/00; D21C3/02; D21C3/04; D21C3/12; D21C3/22



 
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