SYSTEM AND METHOD FOR REMOVING SILICA IN A PROCESS FOR PRODUCTION OF KRAFT PULP WITH PREHYDROLYSIS

摘要

the invention relates generally to a system and a method for removing contaminants of silica from wood chips in a pulp production process by pre-hydrolysis kraft cooking, and in particular to a system and to a method in which silica is removed from a hot chip paste containing chips that have been immersed in fluid for an extended immersion time at an elevated temperature.