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己烯糖醛酸含量对桉木TCF浆磨浆和老化的影响 被引量:1

Influence of the Hexenuronic Acid Content on Refining and Ageing in Eucalyptus TCF Pulp
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摘要 全无氯漂白(TCF)浆的白度比无元素氯漂白(ECF)浆的白度更不稳定,这似乎是由于大量可氧化结构如己烯糖醛酸(HexA)的影响。湿热处理加速老化实验表明,通过应用有效的生物技术(包括酶介体处理),可以减轻返黄。在TCF浆中协同使用漆酶和羟基苯并噻唑(HBT)可去除23%的HexA,返黄可减轻8.4%。HexA对磨浆的影响实验表明,从TCF浆中去除HexA可改变磨后浆料的滤水性能和保水能力,且纸浆不需要增加磨浆能耗就能获得良好的强度性能。
作者 宋蓓
出处 《国际造纸》 2010年第3期12-17,共6页 World Pulp and Paper
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