Pengaruh Variasi Jumlah dan Jenis Air Pencuci terhadap Soda Loss dan % Solid pada Proses Washing Pulp di PT Toba Pulp Lestari Tbk Porsea

Abstract

Wood is a raw material of paper. The wood species that will be processed is mercusi pine and eucalyptus, because it has log fibrous and it is suitable for paper making. In the process of pulp kraft used cooking material are NaOH and Na2S in 4 : 1 to the wood chip. Soda loss and % solid founded from the cooking process of wood. Observation had taken about the ratio ratio of soda loss and % solid in the pabric of paper kraft with the ratio soda loss about 7 – 9 kg/ton and % solid 16 – 19 kg/ton pulp. The calculation and observation based on the obtainable data from Field data