REPLACEMENT OF SOFTWOOD KRAFT PULP WITH ECF-BLEACHED BAMBOO KRAFT PULP IN FINE PAPER

REPLACEMENT OF SOFTWOOD KRAFT PULP WITH ECF-BLEACHED BAMBOO KRAFT PULP IN FINE PAPER

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Non-wood fibers such as bamboo and wheat straw have been playing important roles in the pulp and paper industry in China.In this study an ECF-bleached bamboo kraft pulp was compared with a bleached softwood kraft pulp (NBSK) as the reinforcement pulp in fine paper production.Areas that were examined include the refining of pure fibers, A Vitamins influence of bamboo on dewatering, retention, and sizing.The influence of bamboo kraft pulp as a part of a furnish replacing NBSK was compared as well.

Results show that fiber shortening was more prominent with bamboo when refined.This resulted in a higher amount of Hot Oil Treatments fines, and addition wet-end chemicals may be required to compensate.Handsheets with bamboo as a reinforcement fiber showed similar mechanical and optical properties to handsheets containing NBSK.