期刊论文

Ai, Zhihui

英文

Chemical Engineering Journal

1385-8947

2017

308

880-888

10.1016/j.cej.2016.09.070

National Key Research and Development Program of China [2016YFA0203000]; National Science Foundation of ChinaNational Natural Science Foundation of China (NSFC) [21173093, 21477044]; National Science Fund for Distinguished Young ScholarsNational Natural Science Foundation of China (NSFC)National Science Fund for Distinguished Young Scholars [21425728]; Key Project of Chinese National Programs for Research and Development [2016YFA0203002]; Key Project of Natural Science Foundation of Hubei ProvinceNatural Science Foundation of Hubei Province [2013CFA114]; CCNU from the Colleges' Basic Research and Operation of MOEMinistry of Education, Singapore [CCNU14Z01001, CCNU14KFY002]

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In this study, we systematically investigated the removal of bromate (BrO3−) with core-shell Fe@Fe2O3 nanowires at neutral pH, especially the effects of surface bound ferrous ions and molecular oxygen. In the presence of Fe@Fe2O3 nanowires, bromate was reduced to Br− efficiently with the generation of HOBr intermediates. Bromide species analyses and nanowires characterizations indicated that surface bound ferrous ions of core-shell Fe@Fe2O3 nanowires could effectively promote the BrO3− removal. Meanwhile, molecular oxygen competed electrons ...