首页> 外文会议>Proceedings of the Second international symposium on ozone technology >REACTIONS OF OZONE WITH CHROMOGENIC LIGNINS IN PULP AND PAPER HILL WASTEWATER
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REACTIONS OF OZONE WITH CHROMOGENIC LIGNINS IN PULP AND PAPER HILL WASTEWATER

机译:纸浆和造纸废水中臭氧与生色木质素的反应

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摘要

A kinetic study of the reactions between ozone and those lignin compounds which produce an intense color in wastewaters originating from kraft pulping and pulp bleaching processes is reported. A model which accurately predicts the rate of color removal has been developed. The rate of color removal is observed to be linearly dependent upon the aqueous ozone concentration, and the concentration of chromo-genic materials. In addition to removing color, the ozone reaction increases the biological oxygen demand of the wastewater samples.
机译:据报道,对臭氧与那些木质素化合物之间的反应进行了动力学研究,这些木质素化合物在牛皮纸制浆和纸浆漂白过程产生的废水中产生强烈的颜色。已经开发出可以准确预测脱色速度的模型。观察到颜色去除的速率线性依赖于臭氧水浓度和发色物质的浓度。除了去除颜色外,臭氧反应还会增加废水样品的生物需氧量。

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