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碱法造纸黑液木质素生物酸析法
Authors
张小勇
张建安
李佐虎
韩润林
Publication date
1 January 1999
Publisher
Abstract
探讨了用产酸微生物对碱法造纸黑液进行产酸发酵使黑液由碱变酸进而沉淀分离木质素的方法。通过实验确定出最佳条件为:黑液起始pH10,固形物含量75g/L,加入适量的碳源,发酵温度35℃,静止培养48 ̄72h黑液pH可以降到5以下,木质素提取率达到90%以上,并能加快沉淀分离的速度。该方法对多种浆种碱法黑液具有普遍的适应性
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Last time updated on 05/12/2019