Radiation-induced catalytic reduction of chromium(VI) in aqueous solution containing TiO2, Al2O3 or SiO2 fine particles

被引：7

作者：

Nagaishi, Ryuji ^{[1
]}

Yoshida, Zenko ^{[1
]}

Yamada, Reiji ^{[1
]}

Hatano, Yoshihiko ^{[1
]}

机构：

[1] Japan Atom Energy Res Inst, Dept Mat Sci, Tokai, Ibaraki 3191195, Japan

来源：

RADIATION PHYSICS AND CHEMISTRY | 2006年 / 75卷 / 09期

关键词：

radiation-induced reduction; oxide; aqueous solution; chromium(VI); gamma-ray; TiO2; Al2O3; ZrO2; SiO2;

D O I：

10.1016/j.radphyschem.2006.01.005

中图分类号：

O64 [物理化学（理论化学）、化学物理学];

学科分类号：

070304 ; 081704 ;

摘要：

Reduction of chromium (VI), Cr(VI) in aqueous neutral or basic solution was promoted by T-ray irradiation in the presence of oxide particles such as TiO2, Al2O3 or SiO2. The oxide particles behaved as a catalyst, and the efficiency of the Cr(VI) reduction increased with an increase of the irradiation dose irrespective of the initial Cr(VI) concentration. The insoluble Cr(III) oxide formed through the Cr(VI) reduction also acted as the catalyst. (c) 2006 Elsevier Ltd. All rights reserved.

引用

页码：1051 / 1054

页数：4

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