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Ammonium assists orthophosphate removal from high-strength wastewaters by natural zeolite
http://hdl.handle.net/2241/00122320
http://hdl.handle.net/2241/00122320026ecabc-1a51-48b6-a3f7-7f3f6f12ecdb
名前 / ファイル | ライセンス | アクション |
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SPT_133 (1.0 MB)
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Item type | Journal Article(1) | |||||
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公開日 | 2014-10-28 | |||||
タイトル | ||||||
タイトル | Ammonium assists orthophosphate removal from high-strength wastewaters by natural zeolite | |||||
言語 | ||||||
言語 | eng | |||||
資源タイプ | ||||||
資源 | http://purl.org/coar/resource_type/c_6501 | |||||
タイプ | journal article | |||||
著者 |
Lin, Lin
× Lin, Lin× Wan, Chunli× Lee, Duu-Jong× Lei, Zhongfang× Liu, Xiang |
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著者別名 |
雷, 中方
× 雷, 中方 |
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抄録 | ||||||
内容記述タイプ | Abstract | |||||
内容記述 | Nutrients discharge correlates to eutrophication of receiving waters. Phosphorus (P) and nitrogen (N), if recovered from wastewaters, can be applied to land as essential nutrients for plant growth. This study used natural zeolite in batch and continuous tests to simultaneously remove P and N from orthophosphate and ammonium-nitrogen laden wastewaters at pH 3–11. In P only tests, pH > 9 is favorable to P removal. When ammonium was also present, P removal was significantly enhanced. Ammonium was first adsorbed onto the zeolite via ion exchange to release Ca2+ ions from the zeolite lattice. This ion exchange reaction was independent of the presence of P. Then the released Ca2+ ions precipitated the dissolved phosphate, which was greatly dependent on the concentration of ammonium. Zeolite column could effectively remove P and N from fermentation liquor with minimal adsorption of volatile fatty acids. Implications to practice of zeolite treatment were discussed. | |||||
書誌情報 |
Separation and purification technology 巻 133, p. 351-356, 発行日 2014-09 |
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ISSN | ||||||
収録物識別子タイプ | ISSN | |||||
収録物識別子 | 1383-5866 | |||||
書誌レコードID | ||||||
収録物識別子タイプ | NCID | |||||
収録物識別子 | AA11136087 | |||||
DOI | ||||||
識別子タイプ | DOI | |||||
関連識別子 | 10.1016/j.seppur.2014.07.010 | |||||
権利 | ||||||
権利情報 | © 2014 Elsevier B.V. | |||||
権利 | ||||||
権利情報 | "NOTICE: this is the author's version of a work that was accepted for publication in Separation and purification technology. Changes resulting from the publishing process, such as peer review, editing, corrections, structural formatting, and other quality control mechanisms may not be reflected in this document. Changes may have been made to this work since it was submitted for publication. A definitive version was subsequently published in Separation and purification technology, 133, 2014. DOI:10.1016/j.seppur.2014.07.010" | |||||
著者版フラグ | ||||||
値 | author | |||||
出版者 | ||||||
出版者 | Elsevier B.V. |