# Enzymatic cellulose bleaching

Engineering, EPC & validation — Thermostable xylanases and laccase-mediator systems added directly to hot unbleached kraft pulp at paper mills, cutting chlorine dioxide consumption by 20-30% and toxic AOX effluent, moving the industry toward totally chlorine-free production standards.

Source: https://en.bioecon.ru/market/engineering-epc-validation/enzymatic-cellulose-bleaching/