METHOD OF DELIGNIFICATION AND BLEACHING OF CELLULOSE MATERIALS

paper-and-pulp industry. SUBSTANCE: cellulose material is treated by peroxide compound in presence of stabilizer, in particular mineral salt deposition inhibitor represented by aqueous solution of mixture of sodium salts of nitriletrimethyl- and methyliminodimethylphosphonic acids. EFFECT: increased...

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Bibliographic Details
Main Authors MOZYREVA E.A, KIREEVA S.A, DRIKER B.N
Format Patent
LanguageEnglish
Russian
Published 10.02.2002
Edition7
Subjects
APPARATUS THEREFOR
PAPER-MAKING
PRODUCTION OF CELLULOSE
PRODUCTION OF CELLULOSE BY REMOVING NON-CELLULOSE SUBSTANCESFROM CELLULOSE-CONTAINING MATERIALS
REGENERATION OF PULPING LIQUORS
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Summary:paper-and-pulp industry. SUBSTANCE: cellulose material is treated by peroxide compound in presence of stabilizer, in particular mineral salt deposition inhibitor represented by aqueous solution of mixture of sodium salts of nitriletrimethyl- and methyliminodimethylphosphonic acids. EFFECT: increased degree of delignification and reduced consumption of bleaching reagents. 2 cl, 2 tbl
Bibliography:Application Number: RU20010110266