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Technological research on biobleaching effect of reed pulp boosted by modified xylanase
Pages: 25-28
Year: Issue:  2
Journal: Journal of Nanjing Forestry University(Natural Science Edition)

Keyword:  芦苇浆改良木聚糖酶预处理生物漂白;
Abstract: 采用分子改良后的木聚糖酶对芦苇浆进行生物预处理,考察了改良木聚糖酶辅助漂白的效果.结果表明,酶预处理可以降低CEH三段漂白中氯化C段的氯气用量60%.改良木聚糖酶预处理辅助漂白芦苇纸浆最佳条件为:pH为7.0,温度60℃,浆浓(质量分数)5%,酶用量12 μmol/( min·g),预处理时间60 min.在此条件下C段氯用量降至对照的40%时,酶处理漂后样品白度可达到84.0%(ISO),高出对...
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