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Application of Swim-bed Technology to Enhance Sludge Characteristics of Activated Sludge Process
http://hdl.handle.net/2298/16789
http://hdl.handle.net/2298/167897730be4d-95e5-4a53-853f-e19f46bdd672
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 | ||||||
タイトル | Application of Swim-bed Technology to Enhance Sludge Characteristics of Activated Sludge Process | |||||
言語 | ||||||
言語 | eng | |||||
キーワード | ||||||
主題 | 押し出し流れ, 活性汚泥法, 揺動床, 造粒化, 汚泥特性 plug-flow activated sludge process, Biofringe, granular-like floc, sludge characteristic swim-bed |
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資源タイプ | ||||||
資源タイプ | journal article | |||||
著者 |
渡辺, 祐輔
× 渡辺, 祐輔× 喬, 森× Xu, Xiaochen× Yang, Jiali× Nishiyama, Takashi× Fujii, Takao× Koyama, Toichiro× Bhatti, Zafar× 古川, 憲治, |
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内容記述 | ||||||
内容記述 | Biofringe (BF) carrier material creates swimming motion due to velocity of downflow wastewater, a characteristic of swim-bed technology, and provides a high degree of substrate-biomass contact. In this study, BF fiber material was packed in a plug-flow activated sludge reactor, to investigate its feasibility in improving the sludge settleability and enhancing the pollutant degradation performance of the activated sludge process. High SBOD5, SCOD, and ammonium removal efficiencies of 99.1%, 96.5% and 83.6%, respectively were obtained at volumetric loading rate of 4.5 kg-SCOD/m3/d. SVI values below 50 ml/g and high settling velocities demonstrated satisfactory settling characteristics of the biomass, which were attributed to the increase in the size of the biomass flocs as a result of use of BF carrier material. Relatively low viscosity of mixed liquor also facilitated sludge settling performance as no sludge bulking problems were encountered throughout the experimental period. Existence of a large amount of protozoa and metazoa observed through microscopic examination was considered to contribute to the low sludge yield compared to conventional activated sludge. Microbial analysis demonstrated microbial community shift between the seed sludge and the sludge sample after 378 days of operation with proteobacteria to be predominant. The results demonstrated that use of swim-bed technology enhanced treatment performance and provided process stability to the conventional activated sludge process. |
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書誌情報 |
日本水処理生物学会誌 巻 45, 号 4, p. 153-163, 発行年 2009-12-15 |
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書誌レコードID | ||||||
収録物識別子 | AN00351126 | |||||
DOI | ||||||
関連識別子 | https://doi.org/10.2521/jswtb.45.153 | |||||
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 | ||||||
1674870 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 | 活性汚泥法の処理能力向上のための揺動床技術の活用 | |||||
タイトル(ヨミ) | ||||||
その他のタイトル | カッセイ オデイホウ ノ ショリ ノウリョク コウジョウ ノ タメノ ヨウドウショウ ギジュツ ノ カツヨウ | |||||
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 |