In some industries, such as pulp and paper, economic methods are not presently available for colour removal.
在纸浆和造纸一些行业，例如，经济的方法目前没有搬迁现有的颜色。
The research content included the renewal of secondary fiber's activity, the effective removal of gluey materials and the bleaching of high-kappa number pulp made of secondary fiber.
研究内容包括：二次纤维活性的恢复、胶粘物的有效去除以及高硬度二次纤维纸浆的漂白。
The lignin removal process(LRP) is a new treatment method of black liquor for middle and small pulp mills.
脱木素工艺为中小制浆企业的黑液治理提供了新的方法。
This study is not only a breakthrough the bottleneck of silica gel formation and pulp filtration, but also a good removal iron and silicon completely, and a filterable cake is obtained.
本研究突破了在高硅铜冶渣湿法浸出回收有价金属过程中容易形成硅胶所造成难过滤的瓶颈；
Efficient removal and recovery of the soluble material from cooked pulp is important to minimize chemical makeup, requirement, bleaching demand, and pollution load in the mill effluent stream.
从蒸煮所得的纸浆中有效的提取并回收溶解物质，对最大限度的减少补充化学药剂、减少漂白剂的需要量、降低工厂废水的排污负荷，均具有重大的意义。
The invention comprises the following steps: wood pulp plate paging, alkali soaking, pressing, untwining and dispersion, cooking, washing, impurity removal, bleaching, a secondary washing and pulping;
步骤包括木浆板分页、碱浸渍、压榨、疏 解分散、蒸煮、洗涤、除杂、漂白、二次洗涤、抄粕；
The invention comprises the following steps: wood pulp plate paging, alkali soaking, pressing, untwining and dispersion, cooking, washing, impurity removal, bleaching, a secondary washing and pulping;
步骤包括木浆板分页、碱浸渍、压榨、疏 解分散、蒸煮、洗涤、除杂、漂白、二次洗涤、抄粕；
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