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湿式空气氧化法处理TNT红水的影响因素

Keywords: 湿式空气氧化,TNT红水,BOD5,COD

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Abstract:

使用湿式空气氧化技术与生物技术联合处理TNT精制阶段所产生的红水,研究了湿式空气氧化过程中反应温度、反应时间、初始压强和pH值对流出物的COD值与流出物可生化性的影响规律。研究结果表明,随着反应温度和反应初始压强的升高、反应时间的延长、催化剂投加量的增加和反应pH值的降低,出水COD值均有所下降。在温度为300℃、初始压强为14MPa、反应时间为2h、pH值为5.3、铁盐催化剂添加量为2g的条件下,出水COD值为498mg/L,COD去除率可达到99.27%。在温度为300℃、初始压强为11MP

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