書誌事項
- タイトル別名
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- Behavior of nonylphenol polyethoxylates and their metabolites in sewage treatment plants
- ゲスイ ショリ ジョウ ニ オケル ノニルフェノール ポリエトキシレート オヨビ ソノ タイシャ サンブツ ノ キョドウ
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説明
For the purpose of elucidating the behavior of nonionic surfactant nonylphenol polyethoxylates (NPnEOs) in sewage treatment plants (STPs) in Japan, investigations on the distribution of NPnEOs and their metabolites and halogenated compounds (collectively referred to“NPE-c”) in 40 domestic STPs were made. As a result, it was clarified that influx of NPnEOs was found into all 40 STPs and also that metabolites and halogenated compounds produced during the treatment process were discharged into water environment. Also, it was made evident that NPnEOs were removed on an average of 70% as NPE-c by going through the treatment processes and that the majority of the removal was accomplished in the biological treatment processes. Further, higher removal efficiency was observed in the AO/A2O processes than in the conventional activated sludge processes as a whole. Also, STPs employing an advanced treatment method such as chemical oxidation or rapid filtration showed an especially high removal efficiency.
収録刊行物
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- 環境技術
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環境技術 31 (5), 393-402, 2002
環境技術学会
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詳細情報 詳細情報について
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- CRID
- 1390282679567330944
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- NII論文ID
- 10010242531
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- NII書誌ID
- AN00046213
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- ISSN
- 18828590
- 03889459
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- NDL書誌ID
- 6164767
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- 本文言語コード
- ja
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- データソース種別
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- JaLC
- NDLサーチ
- Crossref
- CiNii Articles
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- 抄録ライセンスフラグ
- 使用不可
