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Sempipilot-scale bleaching of Kraft pulp with manganese peroxide

机译:用过氧化锰对牛皮纸浆进行次生规模的漂白

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摘要

Crude Manganese Peroxidase (MnP) preparations from the fungus Bjerkandera sp. BOS55 were tested for their abilities to bleach and delignify oxygen delignified Eucalyptus Kraft pulp in a sequence combining a chelating and a peroxide stage. The inclusion of the enzymatic treatment in the bleaching sequence helped considerably to improve the final brightness. Other interesting results included moderate Kappa reduction, slight yield loss and paper sheets with an acceptable breaking length and burst index.
机译:真菌Bjerkandera sp。的粗锰过氧化物酶(MnP)制剂。以结合螯合和过氧化物阶段的顺序测试了BOS55漂白和脱氧氧脱木质桉木牛皮纸浆的能力。在漂白过程中加入酶促处理极大地改善了最终的亮度。其他有趣的结果包括适度的Kappa降低,轻微的产量损失以及具有可接受的断裂长度和破裂指数的纸张。

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  • 来源
    《Wood Science and Technology》 |2003年第2期|p. 117-123|共7页
  • 作者单位

    Dept. of Chemical Engineering, Institute of Technology, University of Santiago de Campostela, E-15706 Santiago de Compostela, Spain;

    Dept. of Chemical Engineering, Institute of Technology, University of Santiago de Campostela, E-15706 Santiago de Compostela, Spain;

    Dept. of Chemical Engineering, Institute of Technology, University of Santiago de Campostela, E-15706 Santiago de Compostela, Spain;

    Dept. of Chemical Engineering, Institute of Technology, University of Santiago de Campostela, E-15706 Santiago de Compostela, Spain;

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  • 正文语种 eng
  • 中图分类 林业;
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