Magnetic Fixed-bed Column for Cr(VI) Removal from Aqueous Solution Using Schwertmannite
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- Eskandarpour Akbar
- Graduate School of Engineering, Nagoya University
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- Onyango Maurice S.
- Department of Chemical and Metallurgical Engineering, Tshwane University of Technology
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- Tanahashi Mitsuru
- Graduate School of Engineering, Nagoya University
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- Ochieng Aoyi
- School of Chemical and Metallurgical Engineering, University of Witwatersrand
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- Bando Yoshiyuki
- Graduate School of Engineering, Nagoya University
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- Iwai Kazuhiko
- Graduate School of Engineering, Nagoya University
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- Okido Masazumi
- Graduate School of Engineering, Nagoya University
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- Asai Shigeo
- Graduate School of Engineering, Nagoya University
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The fine particles of schwertmannite as an iron oxyhydroxide adsorbent has been suggested as a novel and strong Cr(VI) sorbent for treatment of Cr-contaminated industrial wastewater. The removal process was conducted in both batch and continuous trials. As a result of the batch experiments, the maximal adsorption capacity of the schwertmannite was obtained as 178 mg/g which was quite high amount in comparison with the usual applied Cr(VI) sorbents in the literatures. The continuous removal process involved a combination of a fixed bed column with a high gradient magnetic field which was firstly introduced as a novel designation of a fixed bed column to overcome the difficulties accompanied with the application of some especial fine particle adsorbents through the fixed-beds. The experimental results revealed that the magnetization force had a great function in this process to control the shape and the fitness of the bed during the sorption test as well as to simplify the experimental set-up.
収録刊行物
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- ISIJ International
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ISIJ International 48 (2), 240-244, 2008
一般社団法人 日本鉄鋼協会
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詳細情報 詳細情報について
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- CRID
- 1390282681464755712
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- NII論文ID
- 10027027419
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- NII書誌ID
- AA10680712
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- COI
- 1:CAS:528:DC%2BD1cXis12gurk%3D
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- ISSN
- 13475460
- 09151559
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- 本文言語コード
- en
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- データソース種別
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- JaLC
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- 使用不可