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treatment of chemical pulp with xylanase in an alkaline extraktionssteg
treatment of chemical pulp with xylanase in an alkaline extraktionssteg
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机译:木聚糖酶在碱性纸浆中处理化学浆
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摘要
The invention can be summarized as follows. There is provided a method of bleaching chemical pulp comprising the steps of exposing chemical pulp to a chemical bleaching state to produce a partially bleached pulp and treating the partially bleached pulp with a thermophilic, alkalophilic xylanase in an alkaline extraction stage at pH of 8 to 14. The method may be performed in a mill and may form part of a more complex pulp bleaching process. The invention also relates to the use of a thermophilic, alkalophilic xylanase in an alkaline extraction stage of a pulp bleaching process in a mill.
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