Evolutional solid phase and solid-liquid interface uranium immobilization mechanisms by nanoscale zero-valent iron and enhanced uranium stability control strategy

Yilong Hua,Donghan Li, Jinglan Zou,Wei Wang,Xiaoyan Wu,Xiaowen Zhang,Qing Liu,Guodong Zhao,Mi Li,Wei-xian Zhang,Jianping Yang

Chemical Engineering Journal（2023）

引用 12|浏览6

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摘要

•Stability of immobilized uranium by nZVI was investigated.•nZVI transformed to ferrihydrite and then stable iron oxides.•More than 90% U(VI) was reduced.•Key uranium uptake mechanism changed from reduction to adsorption.•Eh could be used to control uranium uptake efficiency and its stability.

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关键词

Nanoscale zero-valent iron,Uranium stability,Uranium wastewater,Continuous flow stirred tank reactor,Eh control strategy

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