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污水处理工艺选择的基本因素?

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发布时间:2019-08-10 14:47

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污水处理工艺

污水处理工艺

处理工艺流程选择,一般需考虑以下因素。


1废水水质


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2污水处理程度


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污水处理工艺

污水处理工艺

3建设及运行费用


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4工程施工难易程度


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5当地的自然和社会条件


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污水处理工艺

污水处理工艺

6污水的水量


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7处理过程是否产生新的矛盾


污水处理过程中应注意是否会造成二次污染问题。例如制药厂废水中含有大量有机物质(如苯、甲苯、溴素等),在曝气过程中会有有机废气排放,对周围大气环境造成影响;化肥厂造气废水在采用沉淀、冷却处理后循环利用,在冷却塔尾气中会含有氰化物,对大气造成污染;农药厂乐果废水处理中,以碱化法降解乐果,如采用石灰做碱化剂,产生的污泥会造成二次污染;印染或染料厂废水处理时,污泥的处置为重点考虑的问题。本章由恒信达发布  聚合氯化铝澳门网上葡京真人  yiwuqipai.com


ZONGZHI,WUSHUICHULILIUCHENGDEXUANZEYINGZONGHEKAOLVGEXIANGYINSU,JINXINGDUOZHONGFANGANDEJISHUJINGJIBIJIAOCAINENGDECHUJIELUN。


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