Articles | Volume 13, issue 19
https://doi.org/10.5194/bg-13-5557-2016
https://doi.org/10.5194/bg-13-5557-2016
Research article
 | 
06 Oct 2016
Research article |  | 06 Oct 2016

Surface complexation modeling of Cd(II) sorption to montmorillonite, bacteria, and their composite

Ning Wang, Huihui Du, Qiaoyun Huang, Peng Cai, Xingmin Rong, Xionghan Feng, and Wenli Chen

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AR: Author's response | RR: Referee report | ED: Editor decision
ED: Publish subject to minor revisions (Editor review) (16 Sep 2016) by Zhongjun Jia
AR by Qiaoyun Huang on behalf of the Authors (18 Sep 2016)  Author's response   Manuscript 
ED: Publish as is (20 Sep 2016) by Zhongjun Jia
AR by Qiaoyun Huang on behalf of the Authors (21 Sep 2016)  Manuscript 
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Short summary
We developed surface complexation model for Cd(II) adsorption on montmorillonite, B. subtilis, and their composite. The Cd adsorption behavior onto the composite can be described by a component additivity approach (CA-SCM). The Cd complexes of X2Cd, SOCd+, R-COOCd+, and R-POCd+ were the predominant species on the composite over the pH range of 3 to 8. The model could be useful for the prediction of heavy metal distribution at the interface of multicomponents and their risk evaluation in soils.
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