METHOD OF DELIGNIFYING AND BLEACHING PULP WITH ACTIVATED HYDROGEN PEROXIDE Russian patent published in 2014 - IPC D21C3/00 D21C9/16 

FIELD: chemistry.

SUBSTANCE: invention relates to a method of delignifying and bleaching pulp, which includes at least a step of bringing the pulp into contact with hydrogen peroxide and a molybdenum-based complex of formula (I): where R denotes an unsaturated C5-C6 cycloalkyl group or an unsaturated C5-C6 heterocycloalkyl group, substituted or unsubstituted, and Ar denotes an aryl group optionally having one or more substitutes in the aromatic rings, which are one or more linear or branched C1-C4-alkyl groups, -halogen, -NO₂, -OH, -COOH.

EFFECT: reduced cellulose decomposition and consumption of chemical compounds.

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