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环境工程学报 2010
Study on film formation of biological zeolite filter in treatment of eutrophicated water body
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Abstract:
Upflow biological zealite filter was selected to treat eutrophicated water body.The removal effects of turbidity,COD and TP were investigated.The change of various N compound was especially studied.Results indicated that for severe eutrophicated water body,the removal efficiencies of turbidity,COD and TP were about 80%,30% and 24%,respectively.The concentration of NH+4-N in effulent was always below 0.5 mg/L and the removal efficiency was beyond 90%.The peak of NO-2-N appeared in 9th day(4.98 mg/L),and then...
