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- W2149455549 abstract "The study purpose was to study the nitrification and nitrogen removal performance in IAL-CHS by lab-scale experimental bulk.the removal rate of ammonium (NH <sub xmlns:mml=http://www.w3.org/1998/Math/MathML xmlns:xlink=http://www.w3.org/1999/xlink>4</sub> <sup xmlns:mml=http://www.w3.org/1998/Math/MathML xmlns:xlink=http://www.w3.org/1999/xlink>+</sup> -N) was enhanced from 5.00% to 85.70% within 24 h by inoculated nitrification sludge. Removal performance of NH <sub xmlns:mml=http://www.w3.org/1998/Math/MathML xmlns:xlink=http://www.w3.org/1999/xlink>4</sub> <sup xmlns:mml=http://www.w3.org/1998/Math/MathML xmlns:xlink=http://www.w3.org/1999/xlink>+</sup> -N and TN were evaluated in IAL-CHS, The results showed that the average removal rate of NH <sub xmlns:mml=http://www.w3.org/1998/Math/MathML xmlns:xlink=http://www.w3.org/1999/xlink>4</sub> <sup xmlns:mml=http://www.w3.org/1998/Math/MathML xmlns:xlink=http://www.w3.org/1999/xlink>+</sup> -N was 56.2%, 39.0% and 25.8% under NH <sub xmlns:mml=http://www.w3.org/1998/Math/MathML xmlns:xlink=http://www.w3.org/1999/xlink>4</sub> <sup xmlns:mml=http://www.w3.org/1998/Math/MathML xmlns:xlink=http://www.w3.org/1999/xlink>+</sup> -N loading of 0.77, 0.83, and 0.62 kg/(m <sup xmlns:mml=http://www.w3.org/1998/Math/MathML xmlns:xlink=http://www.w3.org/1999/xlink>3</sup> d) when hydraulic retention time (HRT) were set at 2h, 1h, and 2/3h, respectively. The removal rate of total nitrogen (TN) was 50.03% as HRT was 1h. Furthermore, nitrite (NO <sub xmlns:mml=http://www.w3.org/1998/Math/MathML xmlns:xlink=http://www.w3.org/1999/xlink>2</sub> <sup xmlns:mml=http://www.w3.org/1998/Math/MathML xmlns:xlink=http://www.w3.org/1999/xlink>—</sup> ) and nitrate (NO <sub xmlns:mml=http://www.w3.org/1998/Math/MathML xmlns:xlink=http://www.w3.org/1999/xlink>3</sub> <sup xmlns:mml=http://www.w3.org/1998/Math/MathML xmlns:xlink=http://www.w3.org/1999/xlink>—</sup> ) concentration in influent and effluent were investigated for know the mechanism of nitrogen loss in IAL-CHS. The results showed that NO <sub xmlns:mml=http://www.w3.org/1998/Math/MathML xmlns:xlink=http://www.w3.org/1999/xlink>2</sub> <sup xmlns:mml=http://www.w3.org/1998/Math/MathML xmlns:xlink=http://www.w3.org/1999/xlink>—</sup> and NO <sub xmlns:mml=http://www.w3.org/1998/Math/MathML xmlns:xlink=http://www.w3.org/1999/xlink>3</sub> <sup xmlns:mml=http://www.w3.org/1998/Math/MathML xmlns:xlink=http://www.w3.org/1999/xlink>—</sup> concentrations in influent and effluent were little, which might indicated that nitrogen loss by gaseous nitrogen (N <sub xmlns:mml=http://www.w3.org/1998/Math/MathML xmlns:xlink=http://www.w3.org/1999/xlink>2</sub> or N <sub xmlns:mml=http://www.w3.org/1998/Math/MathML xmlns:xlink=http://www.w3.org/1999/xlink>2</sub> O) from IAL-CHS to atmosphere. It was believed that the special-designed structural feature of ceramic honeycomb support and operational mode are the principal causes for nitrogen loss in IAL-CHS. Nitrifying bacteria and denitrifying bacteria were observed simultaneously in IAL-CHS." @default.
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- W2149455549 date "2009-10-01" @default.
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- W2149455549 title "Research on Aerated Nitrification and Nitrogen Loss in IAL-CHS" @default.
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- W2149455549 doi "https://doi.org/10.1109/iceet.2009.407" @default.
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