METHOD FOR REMOVING ODOR WHEN STOPPING AND OPENING DISTILLATION COLUMN OF STRIPPING APPARATUS AND STRIPPING APPARATUS HAVING ODOR-REMOVING MEANS FROM DISTILLATION COLUMN

摘要

PROBLEM TO BE SOLVED: To effectively practice removal of odor when stopping and opening a distillation column of a stripping apparatus in a paper pulp production plant.;SOLUTION: When the distillation column of the stripping apparatus which is facility for treatment of odor and drainage and attached to the paper pulp production plant is stopped and opened, the interior of the distillation column is previously washed with a kraft pulp digestion waste (so-called black liquor) and then washed with warm water.;COPYRIGHT: (C)2006,JPO&NCIPI