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Pilot investigation on aquatic-plant bed system pre-treating eutrophicated source water
Author(s): 
Pages: 8-12
Year: Issue:  8
Journal: WATER & WASTEWATER ENGINEERING

Keyword:  水生植物床富营养化水源水预处理;
Abstract: 水生植物床是一种无基质型人工湿地系统,利用植物根系吸收、过滤及共生生物的降解作用对水质进行净化.中试研究考察了水生植物床预处理富营养化水源水的效果.结果表明在原水水质为NH3-N 0.75~1.61 mg/L,浊度15~113 NTU,UV254 0.042~0.135 cm-1的条件下,NH3-N,浊度及UV254的平均去除率分别为30%,90%和8.8%;对藻类和CODMn的平均去除率呈季节性变化,夏秋季原水藻密度7.5×105~5.14×107个/L,CODMn6.42~15.37 mg/L时,去除率分别达到90%和20%以上;冬季原水Chl-a 7~29.6μg/L,CODMn5.35~9.23 mg/L时去除率分别为85.3%和11%.
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