Study of the interaction between U(VI) and the anoxic corrosion products of carbon steel

被引：26
|
作者：
Duro, Lara [2 ]
El Aamrani, Souad [1 ]
Rovira, Miquel [1 ,2 ]
de Pablo, Joan [1 ,3 ]
Bruno, Jordi [2 ]
机构：
[1] Univ Politecn Cataluna, Dept Chem Engn, E-08028 Barcelona, Spain
[2] Amphos XXI Consulting, Valldoreix 08197, Spain
[3] CTM Ctr Tecnol Manresa, Manresa 08242, Spain
来源：
APPLIED GEOCHEMISTRY | 2008年 / 23卷 / 05期
关键词：
D O I：
10.1016/j.apgeochem.2008.01.004
中图分类号：
P3 [地球物理学]; P59 [地球化学];
学科分类号：
0708 ; 070902 ;
摘要：
The objective of this study was to investigate the removal mechanism of U(VI) from groundwater by magnetite as the main product of anoxic steel corrosion. For this purpose, a systematic sequence of batch experiments was conducted to focus the active role of magnetite in the reduction of U under different conditions. Results indicated that under anoxic conditions U(VI) was sorbed at the magnetite surface, whereas under reducing conditions at different H-2(g) pressures, U was present in tetravalent form as amorphous UO2. (c) 2008 Elsevier Ltd. All rights reserved.
引用
收藏
页码：1094 / 1100
页数：7
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