FIELD: wood industry. SUBSTANCE: multicomponent system is characterized by that it includes, if necessary, at least one oxidation catalyst, at least one corresponding oxidant, and at least one mediator selected from group including hydroxylamines, hydroxylamine derivatives, hydroxamic acids, aliphatic, cycloaliphatic, heterocyclic, or aromatic compounds containing at least one hydroxyl, oxime, p-hydroxy or p,p'-dihydroxy groups and, if necessary, at least one mediator from group including aromatic alcohols, carbonyl compounds, aliphatic ethers, ethers of phenol and/or olefins and insignificant amount of at least one free base of corresponding mediator utilized. EFFECT: enhanced system efficiency. 48 cl, 6 tbl, 11 ex
