Natural organic matter decreases uptake of W(VI), and reduces W(VI) to W(V), during adsorption to ferrihydrite

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成果类型：

期刊论文

作者：

Du, Huihui*;Xu, Zelin;Hu, Meng;Zhang, Huanjing;Peacock, Caroline L.;...

通讯作者：

Du, Huihui

作者机构：

[Xu, Zelin; Nie, Ning; Du, Huihui; Tie, Boqing; Hu, Meng; Liu, Xin; Lei, Ming; Zhang, Huanjing; Xue, Qin] Hunan Agr Univ, Coll Resources & Environm, Hunan Engn & Technol Res Ctr Irrigat Water Purifi, Changsha 410128, Peoples R China.

[Nie, Ning; Du, Huihui; Tie, Boqing; Liu, Xin; Lei, Ming] Minist Agr, Key Lab Southern Farmland Pollut Prevent & Contro, Changsha 410128, Peoples R China.

[Peacock, Caroline L.] Univ Leeds, Sch Earth & Environm, Leeds LS2 9JT, W Yorkshire, England.

[Du, Huihui] 1st Nongda Rd, Changsha, Peoples R China.

通讯机构：

[Du, Huihui] 1

1st Nongda Rd, Changsha, Peoples R China.

语种：

英文

关键词：

Adsorption;Iron (hydr)oxide;Isothermal titration calorimetry;NOM;Organo-mineral association;Tungsten;Tungsten reduction

期刊：

Chemical Geology

ISSN：

0009-2541

年：

2020

卷：

540

页码：

119567

DOI：

10.1016/j.chemgeo.2020.119567

基金类别：

We acknowledge the National Natural Science Foundation of China (41907015), China Postdoctoral Science Foundation (2019M662782), Scientific Research Fund of Hunan Provincial Education Department, China (18B120), and the Royal Society Newton Mobility Grant, United kingdom (No. IE151033) for financial support. We acknowledge the help from Prof. Qiaoyun Huang, Chenchen Qu, Mingkai Ma and Ding Liang (Huazhong Agricultural University) for ITC.

机构署名：

本校为第一机构

院系归属：

资源环境学院

摘要：

Tungsten is both naturally occurring and an anthropogenically released contaminant metal in soils, sediments and water systems that typically exits as the soluble tungstate oxyanions, W(VI)O4 2−. Tungsten mobility and fate are strongly dependent on the adsorption of tungstate to mineral surfaces. However, environmental mineral surfaces are commonly coated with natural organic matter (NOM), and the role of this coating in the tungsten adsorption process, and thus in controlling tungsten reactivity and transport, is unclear. This study investiga...

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Natural organic matter decreases uptake of W(VI), and reduces W(VI) to W(V), during adsorption to ferrihydrite

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