Pengaruh pH dan Jumlah Penggunaan Larutan NaOH pada Proses Pemutihan Pulp pada Tahap Ekstraksi Oksidasi (Eop) di Unit Pemutihan Fiber Line di PT Toba Pulp Lestari Tbk Porsea

Abstract

Obsevation on the effect of pH and the use of NaOH solution for pulp brightness level,where the higher the level of consumption of NaOH solution discharge at higher pulp,but very at risk the quality of the fiber,an vice versa if the use fewer NaOHsolution,the pulp whiteness level does not reach the targets desired.From the result obtained using the optimal solution of NaOH is 16,79 kg/ton pulp to reach level 85% in accordance with the standart white ISO extraction oxidation (Eop) and pH levels to achive maximum brightness of the pulp was 11 in the extraction oxidation.