Simultaneous Nitrification and Denitrification in a Membrane Bioreactor and Isolation of Heterotrophic Nitrifying Bacteria
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- LIN YAN
- School of Environmental Science and Engineering, Shanghai Jiaotong University
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- KONG HAINAN
- School of Environmental Science and Engineering, Shanghai Jiaotong University
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- HE YILIANG
- School of Environmental Science and Engineering, Shanghai Jiaotong University
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- KUAI LINPING
- School of Environmental Science and Engineering, Shanghai Jiaotong University
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- INAMORI YUHEI
- National Institute for Environmental Studies
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説明
Experiments were performed to understand the conditions and processes governing the occurrence of simultaneous nitrification and denitrification (SND) in a membrane bioreactor (MBR) system. Continuous tests were operated under the controlled conditions with the synthetic wastewater. With 6h HRT and a long SRT of 50 days, up to 92% of COD could be removed. Under the tested conditions, 49.4 to 90.6% of total nitrogen was found to be removed via SND. The COD/TKN ratio as well as the dissolved oxygen (DO) concentration was the key factor influencing the total nitrogen (TN) removal efficiency. Three bacteria were isolated from the system in which the efficiency of TN removal was up to 80%. The batch test results indicated that the isolated bacteria were able to nitrify heterotrophically and denitrify aerobically.
収録刊行物
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- 日本水処理生物学会誌
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日本水処理生物学会誌 40 (3), 105-114, 2004
日本水処理生物学会
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詳細情報 詳細情報について
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- CRID
- 1390282679939086208
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- NII論文ID
- 10013592886
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- NII書誌ID
- AN00351126
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- ISSN
- 18810438
- 09106758
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- NDL書誌ID
- 7096391
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- 本文言語コード
- en
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- データソース種別
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- JaLC
- NDL
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