MULTI-COMPONENT SYSTEM FOR MODIFYING, DECOMPOSING, OR BLEACHING LIGNIN, LIGNIN-CONTAINING MATERIALS OR SIMILAR SUBSTANCES AND PROCESS FOR ITS APPLICATION

摘要

This invention concerns a process for modifying, decomposing or bleaching lignin, lignin-containing materials or similar substances containing a) optionally at least one oxidation catalyst and b) at least one suitable oxidizing agent and c) at least one mediator, characterized by the fact that the mediator is chosen from the group of vicinal nitroso-substituted aromatic alcohols of general formulas (Ia) or (Ib), as well as their salts, ethers, or esters.