...键词：含氮杂环化合物；缺氧降解；硝酸还原酶活性；毒性削减；共代谢 [gap=2140]Keywords：Nitrogenous heterocyclic compounds; Anoxic degradation; Nitrate reductases activity; Toxicity reduction; Cometabol..
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氮杂环化合物
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On the basis of thermogravimetric analysis,it was suitable to dry sludge at 100～300℃. Main organic matters in condensate at this temperature were chain alkane,aromatic hydrocarbon and nitrogenous heterocyclic compounds,and main pollutants were benzene,o-xylene and phenol.
干污泥的粒径主要为砂级、粉砂级和粘土级,实际工程中干污泥产生的灰尘可以通过水膜除尘去除,结合污泥的热重分析确定了污泥的干燥温度可以在100～300℃,该温度范围内干燥冷凝水中最主要的有机物是链状烷烃、芳香烃和含氮杂环化合物,苯、邻二甲苯和苯酚是主要污染物。
参考来源 - 城市污泥干燥特性及工艺研究
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