Improved process for bleaching kraft pulp

Details Improved process for bleaching kraft pulp Improved process for bleaching kraft pulp

D - Textiles, Paper

21

C

D21C 9/16 (2006.01) D21C 9/12 (2006.01)

Patent

CA 2490390

An improved process for bleaching Kraft pulp is disclosed. The improved process involves the use of hydrogen peroxide to treat brownstock before treatment with chlorine or chlorine containing compounds. The process may also be used to treat recycle pulp.

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