Formation of AOX and OCL in ECF bleaching of birch pulp

摘要

How does the hexenuronic acid(hexA)in birch kraft pulp influence he formation of chlorinated organic substances in the effluent(AOX)and in the pulp(OCI)?To answer this question,these researchers determined the AOX and OCI content and the filtrate from the first D stage was also stored for 10 days,and the AOX levels were determined again.