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

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

doi:https://doi.org/10.5194/bg-13-5557-2016

Articles | Volume 13, issue 19

https://doi.org/10.5194/bg-13-5557-2016

© Author(s) 2016. This work is distributed under
the Creative Commons Attribution 3.0 License.

https://doi.org/10.5194/bg-13-5557-2016

© Author(s) 2016. This work is distributed under
the Creative Commons Attribution 3.0 License.

Articles | Volume 13, issue 19

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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Final revised paper (published on 06 Oct 2016)
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Preprint (discussion started on 06 Jul 2016)
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Interactive discussion

Status: closed

AC: Author comment | RC: Referee comment | SC: Short comment | EC: Editor comment

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RC1: 'Surface complexation modeling of Cd(II) sorption to montmorillonite, bacteria, and their composite', Anonymous Referee #1, 07 Aug 2016
- AC1: 'TOC abstract', Qiaoyun Huang, 15 Aug 2016
RC2: 'Comments', Anonymous Referee #2, 02 Sep 2016
- AC2: 'Response to the RC2', Qiaoyun Huang, 10 Sep 2016

Peer-review completion

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.