A novel Zn(II) dithiocarbamate/ZnS nanocomposite for highly efficient Cr6+ removal from aqueous solutions

Li-Ning Liu; Jian-Guo Dai; Tie-Jun Zhao; Si-Yao Guo; Dong-Shuai Hou; Peng Zhang; Jun Shang; Shen Wang; Song Han

doi:10.1039/c7ra04259k

A novel Zn(II) dithiocarbamate/ZnS nanocomposite for highly efficient Cr⁶⁺ removal from aqueous solutions

Li-Ning Liu
, Jian-Guo Dai
, Tie-Jun Zhao
, Si-Yao Guo^*
, Dong-Shuai Hou
, Peng Zhang
, Jun Shang
, Shen Wang
, Song Han^*

^*Corresponding author for this work

Research output: Journal Publications and Reviews › RGC 21 - Publication in refereed journal › peer-review

75 Citations (Scopus)

25 Downloads (CityUHK Scholars)

Abstract

A simple one-step method was designed for the first time to produce a novel Zn(II) dithiocarbamate/ZnS nanocomposite. The developed Zn(II) dithiocarbamate/ZnS nanocomposite was found to exhibit outstanding performance on Cr⁶⁺ removal from aqueous solutions and the removal rate could reach more than 98% in just a few seconds. Various influencing factors such as the addition quantity, pH value and reaction temperature were investigated in order to determine the optimal removal conditions. It was shown that the Cr⁶⁺ removal ability of the Zn(II) dithiocarbamate/ZnS nanocomposite remained high at almost all the pH values and the degradation rate increased gradually with the reaction temperature up to 323 K. Compared to the traditional catalysts, which usually involve a complex production process with a high cost and a low degradation rate, the novel Zn(II) dithiocarbamate/ZnS nanocomposite has great potential in applications for wastewater treatment. © The Royal Society of Chemistry 2017.

Original language	English
Pages (from-to)	35075-35085
Journal	RSC Advances
Volume	7
Issue number	56
Online published	12 Jul 2017
DOIs	https://doi.org/10.1039/c7ra04259k
Publication status	Published - 2017
Externally published	Yes

Bibliographical note

Publication details (e.g. title, author(s), publication statuses and dates) are captured on an “AS IS” and “AS AVAILABLE” basis at the time of record harvesting from the data source. Suggestions for further amendments or supplementary information can be sent to [email protected].

Funding

The authors of this contribution gratefully acknowledge support of the ongoing project of National Natural Science Foundation of China (Contract No. 51420105015), 973 Program (Contract No. 2015CB655100) and 111 Program. This work was also supported by the National Natural Science Foundation of China (51508293), the National science foundation of China project (51478406), the Qingdao applied research project (17-1-1-87-jch), the China Postdoctoral Science Foundation Funded Project (2016M600527). The first author also would like to acknowledge the fellowship support received from the Hong Kong Scholar Programme (G-YZ78).

UN SDGs

This output contributes to the following UN Sustainable Development Goals (SDGs)

SDG 6 Clean Water and Sanitation

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This full text is made available under CC-BY 3.0. https://creativecommons.org/licenses/by/3.0/

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Cite this

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title = "A novel Zn(II) dithiocarbamate/ZnS nanocomposite for highly efficient Cr6+ removal from aqueous solutions",

abstract = "A simple one-step method was designed for the first time to produce a novel Zn(II) dithiocarbamate/ZnS nanocomposite. The developed Zn(II) dithiocarbamate/ZnS nanocomposite was found to exhibit outstanding performance on Cr6+ removal from aqueous solutions and the removal rate could reach more than 98\% in just a few seconds. Various influencing factors such as the addition quantity, pH value and reaction temperature were investigated in order to determine the optimal removal conditions. It was shown that the Cr6+ removal ability of the Zn(II) dithiocarbamate/ZnS nanocomposite remained high at almost all the pH values and the degradation rate increased gradually with the reaction temperature up to 323 K. Compared to the traditional catalysts, which usually involve a complex production process with a high cost and a low degradation rate, the novel Zn(II) dithiocarbamate/ZnS nanocomposite has great potential in applications for wastewater treatment. {\textcopyright} The Royal Society of Chemistry 2017.",

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AU - Liu, Li-Ning

AU - Dai, Jian-Guo

AU - Zhao, Tie-Jun

AU - Guo, Si-Yao

AU - Hou, Dong-Shuai

AU - Zhang, Peng

AU - Shang, Jun

AU - Wang, Shen

AU - Han, Song

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AB - A simple one-step method was designed for the first time to produce a novel Zn(II) dithiocarbamate/ZnS nanocomposite. The developed Zn(II) dithiocarbamate/ZnS nanocomposite was found to exhibit outstanding performance on Cr6+ removal from aqueous solutions and the removal rate could reach more than 98% in just a few seconds. Various influencing factors such as the addition quantity, pH value and reaction temperature were investigated in order to determine the optimal removal conditions. It was shown that the Cr6+ removal ability of the Zn(II) dithiocarbamate/ZnS nanocomposite remained high at almost all the pH values and the degradation rate increased gradually with the reaction temperature up to 323 K. Compared to the traditional catalysts, which usually involve a complex production process with a high cost and a low degradation rate, the novel Zn(II) dithiocarbamate/ZnS nanocomposite has great potential in applications for wastewater treatment. © The Royal Society of Chemistry 2017.

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