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Effects of C/N, C/S and S/N ratios on TOC and nitrogen removal in the sulfate reduction-sulfur denitrification process
http://hdl.handle.net/2297/39408
http://hdl.handle.net/2297/3940837fd6900-a75a-41f7-a0d9-f7d3599cd287
名前 / ファイル | ライセンス | アクション |
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TE-PR-IKEMOTO-R-7.pdf (212.6 kB)
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Item type | 学術雑誌論文 / Journal Article(1) | |||||
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公開日 | 2017-10-03 | |||||
タイトル | ||||||
タイトル | Effects of C/N, C/S and S/N ratios on TOC and nitrogen removal in the sulfate reduction-sulfur denitrification process | |||||
言語 | ||||||
言語 | eng | |||||
資源タイプ | ||||||
資源タイプ識別子 | http://purl.org/coar/resource_type/c_6501 | |||||
資源タイプ | journal article | |||||
著者 |
Yamamoto-Ikemoto, Ryoko
× Yamamoto-Ikemoto, Ryoko× Komori, Tomoaki |
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書誌情報 |
Journal of Water and Environment Technology 巻 1, 号 1, p. 7-12, 発行日 2003-01-01 |
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ISSN | ||||||
収録物識別子タイプ | ISSN | |||||
収録物識別子 | 1348-2165 | |||||
NCID | ||||||
収録物識別子タイプ | NCID | |||||
収録物識別子 | AA12022797 | |||||
DOI | ||||||
関連タイプ | isIdenticalTo | |||||
識別子タイプ | DOI | |||||
関連識別子 | 10.2965/jwet.2003.7 | |||||
出版者 | ||||||
出版者 | Japan Society on Water Environment = 日本水環境学会 | |||||
抄録 | ||||||
内容記述タイプ | Abstract | |||||
内容記述 | Effects of C/N, C/S and S/N ratios on TOC and denitrification removal were examined in the sulfate reductionsulfur denitrification process using the two upflow biological filter reactors. High TOC and nitrogen removal ratio was obtained at C/N=2.2 and S/N=0.7 through the reactors. In the first reactor, sulfate reduction occurred predominantly. SRB mainly produced acetate at C/S=3.1. However, acetate was decomposed in the first reactor at C/S=1.6. In the second reactor, sulfur denitrification and heterotrophic denitrification occurred simultaneously. Sulfur denitrification occurred in the lower part of the reactor in S/N=0.7, and all sulfide produced in the first reactor was re-oxidized. On the other hand, sulfur denitrification also occurred in the upper part of the reactor in S/N=1.3, and 35 mg/gSS of sulfur granules were accumulated in the biofilm. The sulfur granules played an important role on denitrification. The activity of SDNB in the second reactor was about 3-4 times lower than the activity of DNB. When the S/N ratio increased, the activity of SDNB increased and those of DNB decreased. The number of SDNB was greater than those of DNB. The activity of SRB in the first reactor increased, when S/N ratio increased. SRB also grew in the anoxic second reactor, and the activity of SRB in the second reactor was relatively high. The sulfur cycle consist of sulfate reduction and sulfur denitrification in the second reactor might be established in the reactor. | |||||
権利 | ||||||
権利情報 | Copyright © Japan Society on Water Environment 日本水環境学会 | |||||
著者版フラグ | ||||||
出版タイプ | VoR | |||||
出版タイプResource | http://purl.org/coar/version/c_970fb48d4fbd8a85 | |||||
関連URI | ||||||
識別子タイプ | URI | |||||
関連識別子 | https://www.jstage.jst.go.jp/browse/jwet | |||||
関連URI | ||||||
識別子タイプ | URI | |||||
関連識別子 | http://www.jswe.or.jp/ |