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焦化废水处理过程中溶解性有机物的特性研究
Authors
刘志学
刘泽巨
+3 more
刘璐
曹宏斌
熊梅
Publication date
1 January 2018
Publisher
Abstract
为进一步明确焦化废水处理过程中的污染物特征变化,以焦化废水处理过程中各工段出水为研究对象,对其DOM(溶解性有机物)特性进行跟踪识别。结果表明:紫外光谱显示,随着焦化废水处理的进行,废水的芳香构造化不断增大,芳香族化合物为较难降解的污染物之一;傅里叶变换红外光谱显示,厌氧处理能够将硫氰化物基本去除,但芳香族化合物在最终出水中仍能观察到其响应峰;三维荧光光谱显示,焦化废水中存在类色氨酸、类富里酸、类酪氨酸、类腐殖物等污染物,与其他种类污染物不同,类色氨酸的峰强在好氧处理后大幅度增加,证实了生物处理过程中的微生物代谢产生的溶解性生物产物会对废水DOM有较大的贡献。</p
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Last time updated on 11/01/2020