This artical mainly investigates the scale reduction and control in the production of P-RC APMP.The experimental results showed that hydrogen peroxide protection agent of 3kg/ton pulp with the scale inhibitor of 0.15kg/ton pulp are used to replace 70％sodium silicate.Under this condition,the cost increases by 17.1 yuan/ton pulp,marking the highest cost performance,which can significantly reduce the scale of pulp system,extend the service cycle of spiral pressing sieve frame and fiber recovery net bag,and reduce the PCD of pulp.
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