Effects of Fe(II) on Cd(II) immobilization by Mn(III)-rich δ-MnO2

Qian Sun,Pei-Xin Cui,Ting-Ting Fan,Song Wu,Mengqiang Zhu,Marcelo Eduardo Alves,Dong-Mei Zhou,Yu-Jun Wang

Chemical Engineering Journal（2018）

引用 30|浏览9

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摘要

•Fe(II) decreased Cd(II) retention on Mn(III)-rich δ-MnO2 at pH 5.5.•Cd(II) was mainly adsorbed on Mn(III)-rich δ-MnO2 rather than the newly formed Fe oxides and β-MnOOH.•Fe(II) addition promoted Cd(II) desorption by altering the surface complexes Cd(II) formed on Mn(III)-rich δ-MnO2.

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关键词

Mn(III)-rich δ-MnO2,Cadmium,Ferrous iron,Adsorption,Oxidation,Precipitation

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