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Method for Reducing the Extractives Content of High-Yield Pulps and Method for Producing Bleached High-Yield Pulps
Method for Reducing the Extractives Content of High-Yield Pulps and Method for Producing Bleached High-Yield Pulps
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机译:降低高产纸浆提取物含量的方法和生产漂白高产纸浆的方法
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摘要
The invention relates to a method for reducing the content of extractives of a high-yield pulp in a peroxide bleaching stage, said stage including peroxide bleaching and a subsequent dewatering or washing, said method comprising contacting the pulp in the peroxide bleaching with an organic stabilizer and in or after the peroxide bleaching with a surfactant, and thereafter subjecting the bleached pulp to said dewatering or washing for removing extractives along with the aqueous phase. The invention also relates to a method for producing bleached high-yield pulp.
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