Decomposition of hydrogen peroxide by -ray irradiation in mixture of aqueous solution and Y-type zeolite

水溶液とY型ゼオライトとの混合物中での線照射による過酸化水素の分解反応

Radiolysis of aqueous H $_{2}$ O $_{2}$ solutions in the presence of Y-type zeolite was studied to clarify the radiation-induced reactions of H $_{2}$ O $_{2}$ in water-zeolite heterogeneous systems. The mixtures of the solutions with the zeolite were irradiated by -rays. H $_{2}$ O $_{2}$ decomposed remarkably in the presence of the zeolite. Numerical calculations using a kinetic model were performed and compared with the experimental results. A reaction that decomposes H $_{2}$ O $_{2}$ adsorbed on the zeolite was proposed and introduced into the kinetic model as an effect of the zeolite. The kinetic model calculations satisfactorily explained the measured H $_{2}$ O $_{2}$ decomposition by adopting a high yield for the introduced reaction. Moreover a comparison of the calculations with the measured production of O $_{2}$ indicates that reduction and oxidation of adsorbed H $_{2}$ O $_{2}$ proceeded at comparable yields during decomposition.

使用言語	:	English
掲載資料名	:	Radiation Physics and Chemistry
巻	:	97
号	:
ページ数	:	p.223 - 232
発行年月	:	2014/04
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論文URL	:	https://doi.org/10.1016/j.radphyschem.2013.12.006
研究データの公開先DOI	:
使用施設	:	コバルト60照射施設
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InCites™	:	パーセンタイル：30.92 分野：Chemistry, Physical
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登録番号 : AA20130563
抄録集掲載番号 : 42000343
論文投稿番号 : 13925

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