Method and aqueous composition for the production of improved pulp

摘要

Disclosed is an aqueous composition for improving properties of pulp produced, reducing the digester cycle time, or reducing the pulping or bleaching chemicals required in alkaline pulping processes. The composition comprising an alkaline composition of the digester, and at least one compound selected from the compounds of formula (I) to formula (IV), and amine oxides of the phosphonates of formula (I), wherein the compound is in an amount of 0.03% to 1% by dry weight of the wood chips in the digester.