Penentuan Konsentrasi Total Alkali Aktif dan Sulfiditas dalam White Liquor pada Proses Recaustizing PT. Toba Pulp Lestri Tbk. Porsea

Abstract

White Liquor is liquor which is derived from green liquor with CaO (burnt lime), by recaustisizing process in caustisizer. This white liquor will use as wood cooking in digester unit. Before white liquor used, require to control the quality of white liquor. Parameter which analysis in white liquor is total active alkali (TAA), and Sulfidity (%). Total goals of active alkali wanted is 95 g/l- 110 g/l,white goals of sulfidity is 20 %-29%. From this perception have result that total active alkali about 100,1 g/l and sulfidity about 24,7%, it which have been determind and use for production of process.