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Simultaneous Nitrification and Denitrification with Excess Sludge Reduction in an Attached Growth System Combining Anaerobic Fermrntation and Aerobic Swim-bed Processes
http://hdl.handle.net/2298/16788
http://hdl.handle.net/2298/16788d609a91d-f576-4be7-8b19-906d6ef04891
名前 / ファイル | ライセンス | アクション |
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Item type | 学術雑誌論文 / Journal Article(1) | |||||
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公開日 | 2010-11-09 | |||||
タイトル | ||||||
言語 | en | |||||
タイトル | Simultaneous Nitrification and Denitrification with Excess Sludge Reduction in an Attached Growth System Combining Anaerobic Fermrntation and Aerobic Swim-bed Processes | |||||
言語 | ||||||
言語 | eng | |||||
キーワード | ||||||
主題 | IFAS, biofringe, SND, excess sludge reduction, swim-bed | |||||
資源タイプ | ||||||
資源タイプ | journal article | |||||
著者 |
徐, 暁晨
× 徐, 暁晨× 金, 虎× 小山, 登一郎× 古川, 憲治 |
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別言語の著者 |
Chen, Xiaochen
× Chen, Xiaochen× Jin, Hu× Koyama, Toichiro× Furukawa, kenji |
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内容記述 | ||||||
内容記述 | Simultaneous nitrification and denitrification (SND) with excess sludge reduction were evaluated in an attached growth treatment system consisting of a down-flow anaerobic fermentation (AF) reactor and an aerobic swim-bed (SB) reactor operated as an integrated fixed-film activated sludge (IFAS) process. The two reactors were packed with biomass carriers consisting of different configurations of the same acrylic-fiber material: a net-type carrier biofillR (BL) in the AF reactor and a multi-directional thread-type carrier biofringeR (BF) in the SB reactor. The system was operated continuously under various organic loading rates (OLRs) from 1.5 to 4.5 kg COD m-3 d-1 and nitrogen loading rates (NLRs) from 0.1 to 0.3 kg N m-3 d-1 using moderately high-strength synthetic wastewater. The AF reactor, located upstream of the SB reactor, provided hydrolysis, fermentation and anaerobic ammonification. During 184 days of operation, stable total nitrogen (TN) removal efficiencies ranging from 85% to 97% were obtained primarily due to SND in the SB reactor when the OLR was higher than 2.7 kg COD m-3 d-1. In addition, observed sludge yields for the whole system ranged from 0.13 to 0.17 kg MLSS kg-1 CODremoved; furthermore, mixed liquor suspended solids (MLSS) were maintained at about 10,000 mg l-1 in the SB reactor. Exceptionally high COD and TN removal rates of 5.9 kg COD m-3 d-1 and 0.43 kg N m-3 d-1, respectively, were observed in the SB reactor. These results demonstrated that excess sludge reduction and SND could be achieved concurrently by this combined AF-SB system. | |||||
書誌情報 |
日本水処理生物学会誌 巻 45, 号 3, p. 123-136, 発行年 2009-09-15 |
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書誌レコードID | ||||||
収録物識別子 | AN00351126 | |||||
DOI | ||||||
関連タイプ | isIdenticalTo | |||||
関連識別子 | http://doi.org/10.2521/jswtb.45.123 | |||||
権利 | ||||||
権利情報 | Copyright (c) 2009 by Japanese Society of Water Treatment Biologyer Treatment Biology | |||||
情報源(ISSN) | ||||||
関連名称 | 09106758 | |||||
フォーマット | ||||||
内容記述 | application/pdf | |||||
形態 | ||||||
2100866 bytes | ||||||
著者版フラグ | ||||||
出版タイプ | VoR | |||||
日本十進分類法 | ||||||
主題 | 518 | |||||
その他の言語のタイトル | ||||||
その他のタイトル | 嫌気性発酵と揺動床の組み合わせによる同時硝化脱窒と余剰汚泥の削減に関する検討 | |||||
タイトル(ヨミ) | ||||||
その他のタイトル | ケンキセイ ハッコウ ト ドウヨウショウ ノ クミアワセ ニ ヨル ドウジ ショウカ ダッチツ ト ヨジョウ オデイ ノ サクゲン ニ カンスル ケントウ | |||||
出版者 | ||||||
出版者 | 日本水処理生物学会 | |||||
別言語の出版者 | ||||||
Japanese Society of Water Treatment Biology | ||||||
資源タイプ | ||||||
内容記述 | 論文(Article) | |||||
資源タイプ・ローカル | ||||||
雑誌掲載論文 | ||||||
資源タイプ・NII | ||||||
Journal Article | ||||||
資源タイプ・DCMI | ||||||
text | ||||||
資源タイプ・ローカル表示コード | ||||||
01 |