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Selective recovery of indium from the etching waste solution of the flat-panel display fabrication process
http://hdl.handle.net/2297/34666
http://hdl.handle.net/2297/3466650121a8d-ea2f-4960-a21b-2fc8f03b8abf
名前 / ファイル | ライセンス | アクション |
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SC-PR-HASEGAWA-H-133.pdf (259.5 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 | Selective recovery of indium from the etching waste solution of the flat-panel display fabrication 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 |
Hasegawa, Hiroshi
× Hasegawa, Hiroshi× Rahman, Ismail M. M.× Umehara, Yoshihiro× Sawai, Hikaru× Maki, Teruya× Furusho, Yoshiaki× Mizutani, Satoshi |
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書誌情報 |
Microchemical Journal 巻 110, p. 133-139, 発行日 2013-09-01 |
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ISSN | ||||||
収録物識別子タイプ | ISSN | |||||
収録物識別子 | 0026-265X | |||||
NCID | ||||||
収録物識別子タイプ | NCID | |||||
収録物識別子 | AA00738394 | |||||
DOI | ||||||
関連タイプ | isVersionOf | |||||
識別子タイプ | DOI | |||||
関連識別子 | 10.1016/j.microc.2013.03.005 | |||||
出版者 | ||||||
出版者 | Elsevier B.V. | |||||
抄録 | ||||||
内容記述タイプ | Abstract | |||||
内容記述 | The waste byproducts from the indium-consuming fabrication processes are considered as the viable resource for indium due to the unique preference to the element in designing optoelectronic devices. The present work introduces a new technique for the selective recovery of indium from the etching waste, which produced during the patterning of indium tin oxide (ITO) layer on the flat-panel displays. The process includes the application of a solid phase extraction (SPE) assembly, known as molecular recognition technology (MRT) gel, consisting of a metal-selective ligand immobilized to silica gel or polymer substrates. The samples were the real solution of etching waste from the liquid-crystal display fabrication process, and the simulated waste solution prepared using the commercially available etching solution composition containing ethanedioic acid. The retention and the corresponding indium recovery rate (%) were the key characteristics for the appraisal of MRT-SPE types: AnaLig TE 02 (TE 02), AnaLig TE 03, AnaLig TE 07, AnaLig TE 13 and AnaLig PM 02. The other conclusive factors were the influence of ion intensity in solution and the interfering effects from tin, the co-content element in the ITO-formulation. The TE 02 MRT-SPE came across all the requisite aspects for the selective recovery of indium from the etching effluent. The indium retention or recovery with TE 02 MRT-SPE from the real etching waste solution was in the range of 97 to 99% with the relative standard deviation of <4.4%. The separation of the ITO co-element tin from the waste mixture was successively selective, and thereby minimizes the possibility of interference. A three-step elution with 0.3molL-1 HNO3, 6molL-1 HCl and 1molL-1 HCl/10mmolL-1 EDTA was required to accomplish the sequential selectivity in the process. The indium retention capacity of the TE 02 MRT-SPE was 0.147mmolg-1. © 2013 Elsevier B.V. | |||||
著者版フラグ | ||||||
出版タイプ | AM | |||||
出版タイプResource | http://purl.org/coar/version/c_ab4af688f83e57aa |