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Comparison between biological pre-treatment with conventional treatment and conventional treatment for Xijiang source water
Author(s): 
Pages: 1477-1480
Year: Issue:  7
Journal: Chinese Journal of Environmental Engineering

Keyword:  CODMn高速给水曝气生物滤池;
Abstract: 采用生物预处理/常规与常规工艺处理西江微污染原水,对主要污染物的去除效果工艺进行了比较。结果表明,生物预处理/常规工艺对CODMn、氨氮的平均去除率达48.9%、62.3%,比常规工艺提高了18.9%、28.4%。2种工艺对浊度的去除率相当,皆为95%左右。生物预处理采用高速给水曝气生物滤池工艺,反冲洗采用气水联合方式,48 h过滤水头损失<2kPa,冲洗前后过滤水头损失变化量均值<0.4kPa。
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