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放射性気体廃棄物中の14C捕集に用いる疎水性パラジウム触媒の酸化性能評価
https://repo.qst.go.jp/records/47719
https://repo.qst.go.jp/records/47719be121004-d2d3-40e5-a822-727445abb600
Item type | 学術雑誌論文 / Journal Article(1) | |||||
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公開日 | 2017-04-19 | |||||
タイトル | ||||||
タイトル | 放射性気体廃棄物中の14C捕集に用いる疎水性パラジウム触媒の酸化性能評価 | |||||
言語 | ||||||
言語 | jpn | |||||
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 | |||||
アクセス権 | ||||||
アクセス権 | metadata only access | |||||
アクセス権URI | http://purl.org/coar/access_right/c_14cb | |||||
著者 |
上野, 有美
× 上野, 有美× 中川, 雅博× 佐藤, 淳也× 岩井, 保則× 岩井 保則 |
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抄録 | ||||||
内容記述タイプ | Abstract | |||||
内容記述 | In the Nuclear Science Research Institute, Japan Atomic Energy Agency (JAEA), in order to oxidize 14C, which exists in various chemical forms in exhaust, into 14CO2, a copper oxide (CuO) catalyst is introduced after heating to 600 C. Our goal was to establish a safer 14C monitoring system by lowering the heating temperature required for the catalyst; therefore, we developed a new hydrophobic palladium/silicon dioxide (Pd/SiO2) catalyst that makes the carrier's surface hydrophobic. In these experiments, catalysts CuO, platinum/aluminum oxide (Pt/Al2O3), palladium/zirconium dioxide (Pd/ZrO2), hydrophobic Pd/SiO2, and hydrophilic Pd/SiO2 were ventilated with standard methane gas, and we compared the oxidation efficiency of each catalyst at different temperatures. As a result, we determined that the hydrophobic Pd/SiO2 catalyst had the best oxidation efficiency. By substituting the currently used CuO catalyst with the hydrophobic Pd/SiO2 catalyst, we will be able to lower the working temperature from 600 C to 300 C and improve the safety of the monitoring process. | |||||
書誌情報 |
Japanese Journal of Health Physics 巻 51, 号 1, p. 7-11, 発行日 2016-07 |
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出版者 | ||||||
出版者 | 株式会社国際広報企画 | |||||
ISSN | ||||||
収録物識別子タイプ | ISSN | |||||
収録物識別子 | 0367-6110 | |||||
DOI | ||||||
識別子タイプ | DOI | |||||
関連識別子 | 10.5453/jhps.51.7 |