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Adsorptive Removal of Arsenic from Aquatic Environment
http://hdl.handle.net/10458/6879
http://hdl.handle.net/10458/6879fe25a379-8842-4708-b38f-7ef9b65b8aa1
| 名前 / ファイル | ライセンス | アクション |
|---|---|---|
本文 (1.1 MB)
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| Item type | その他 / Others(1) | |||||
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| 公開日 | 2020-06-22 | |||||
| タイトル | ||||||
| タイトル | Adsorptive Removal of Arsenic from Aquatic Environment | |||||
| 言語 | en | |||||
| 言語 | ||||||
| 言語 | eng | |||||
| キーワード | ||||||
| 言語 | en | |||||
| 主題Scheme | Other | |||||
| 主題 | Arsenic, Lewatit FO36, CRB05, AMAs, Adsorption | |||||
| 資源タイプ | ||||||
| 資源タイプ識別子 | http://purl.org/coar/resource_type/c_1843 | |||||
| 資源タイプ | other | |||||
| 著者 |
Anh, Viet HOANG
× Anh, Viet HOANG× Yoshizuka, Kazuharu× Nishihama, Syouhei |
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| 抄録 | ||||||
| 内容記述タイプ | Abstract | |||||
| 内容記述 | According to the World Health Organization, arsenic is one of the most toxic elements for human health and the concentration limits of this pollutant are hardly attained in drinking water. Removal of arsenic from aquatic environment is an active issue all over the world. Adsorption process receives major attention due to its low cost, simplicity, high efficiency, easy regeneration of sorbents and easy handling. In the present work, adsorptive removal of As（III） and As（V） was investigated using three kinds of adsorbents, Diaion-CRB05 with N-methylglucamine group as a functional group, Lewatit-FO36, and AMAs （Goethite） with FeO（OH） group. Batch adsorption of arsenic indicates that adsorption is affected by pH, and the optimal pH range is 3.0 – 4.5 for As（V） and 7.0 – 9.0 for As（III）. Adsorption isotherms of both As（III） and As（V） are of Langmuir mechanism, and LewatitFO36 is revealed to possess the highest adsorption capacities for both As（V） （122 mg/g） and As（III） （98.0 mg/g）. Desorption of the loaded arsenic from all of adsorbents could be performed by either diluted HCl or NaOH solution. Column studies for the arsenic removal indicated that Lewatit FO36 was effectively performed to remove As（V） until bed volume of 820. | |||||
| 言語 | en | |||||
| 書誌情報 |
en : 5th International Arsenic Symposium in MIYAZAKI 2018 発行日 2018-06 |
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| 出版者 | ||||||
| 出版者 | University of Miyazaki, IRISH | |||||
| 言語 | en | |||||
| 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 | |||||
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Cite as
Anh, Viet HOANG, Yoshizuka, Kazuharu, Nishihama, Syouhei, 2018, Adsorptive Removal of Arsenic from Aquatic Environment: University of Miyazaki, IRISH.
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