método para reduzir o teor de metais da polpa branqueada enquanto reduzindo os custos de branqueamento em um processo de polpação

摘要

In accordance with certain embodiments of the present disclosure, a method of decreasing the amount of oxidizer required by a pulping or papermaking process is provided. The method comprises adding to a process stream or solution of the pulping or papermaking process an effective amount of urea hydrochloride to reduce the amount of oxidizer required by the pulping or papermaking process.