stayed in the tank for approximately two hours at a temperature of 140 degrees fahrenheit and a ph of 10 5 no caustic was added to the pulp the pulp kappa as recorded by the analyzer was about 22 after the peroxide treatment the pulp was discharged from the tank washed with additional water and fed to the bleach plant a reduction of about 20 pounds ton pulp as equivalent chlorine was noted in the bleach plant a reduction of about 8 pounds ton of caustic was also realized in the bleach plant pulp quality was maintained and a slight increase in the final pulp brightness was achieved the kappa and chemical demand as total equivalent chlorine tec are shown in fig1 as can be seen during the period when peroxide was added at 10 pounds ton the tec was reduced tec was also reduced when the peroxide was added at 5 pounds ton further reduction in caustic naoh it also shown in fig1 hardwood pulp was produced in a digester after a few stages of washing the pulp was stored in a high density storage tank the pulp kappa number before peroxide treatment was about 15 14 7 hydrogen peroxide was added to the high density tank at the rate of 2 pounds ton example 2 1 0 1 on weight of pulp and 6 pounds ton example 2 2 0 3 on weight of pulp pulp stayed in the tank for one hour at a temperature of 140 degrees fahrenheit and a ph of 10 5 no caustic was added to the pulp the pulp was discharged.