Whitening procedure pulp slurry through chlorine-free chemicals.

摘要

KRAFT PULP TO AN BRILLIANCE whitens acceptable (for example ISO 86 or more) WITHOUT USING CHLORINE ORGANIC COMPOUNDS, AS RESISTANCE REMAINS pulp produced commercially acceptable. IN THE MANUFACTURE OF PULP, THIS IS COOKED AND OXYGEN delignified BY A NUMBER OF KAPPA 14 or less, and is then bleached with ozone at medium consistency. AFTER TREATMENT OF OZONE, they extracted HEAVY METALS PULP AND AFTER THIS IS DRIVEN TO TREATMENT OF OXYGEN AND / OR PEROXIDE, which is followed by a second step OZONE BLEACHING. It PREFERS THE STREAM (ZT) (EOP) (ZP).