Waste water from chemical and mechanical pulping contains 12–25 kg of BOD/t of ADP, but the BOD discharges are 3 to 10 times higher in chemimechanical pulping as compared to mechanical pulping.
Waste water from chemicaland mechanical pulping contains 12–25 kg of BOD/tof ADP, but the BOD discharges are 3 to 10 times higherin chemimechanical pulping as compared to mechanicalpulping.