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- W2372619560 abstract "To enhance the efficiency of nitrogen removal of ammonia nitrogen sewage,the feasibility,methods and results of denitrification of the ammonia nitrogen sewage were studied by experiments using the biological contact oxidation fluidized bed to treat the synthetic municipal wastewater at normal temperature.The experimental results indicate that ammonia nitrogen can be converted to nitric acid by two independent kinds of bacteria respectively.The suitable temperature range is 20～35℃.The suitable pH value range for nitrosobacteria is 7-8.5,and that for nitrate bacteria is 6～7.5.Better effect can be achieved when the concentration of dissolved oxygen for nitrosobacteria and nitrate bacteria is higher than 0.5 mg/L.The best grain size of packing material is about 10 mm.Intermittent loading can improve the settling ability of activated sludge,which provides a good environmental condition for ammonia nitrogen removal." @default.
- W2372619560 created "2016-06-24" @default.
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- W2372619560 date "2008-01-01" @default.
- W2372619560 modified "2023-09-23" @default.
- W2372619560 title "Experimental study of treatment of ammonia Nitrogen sewage with biological contact oxidation fluidized bed" @default.
- W2372619560 hasPublicationYear "2008" @default.
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