Insight into highly efficient removal of cadmium and methylene blue by eco-friendly magnesium silicate-hydrothermal carbon composite

Insight into highly efficient removal of cadmium and methylene blue by eco-friendly magnesium... Article history: Water pollution is one of the forefront environmental problems. Due to the simplification, flexibility Received 14 May 2017 and low cost, the adsorption becomes one of the most fashionable technology and the exploitation of Received in revised form 29 July 2017 adsorbents has drawn greatly attention. In this study, a novel magnesium silicate-hydrothermal carbon Accepted 17 August 2017 composite (MS-C) was synthesized by facile hydrothermal carbonization and used to remove the cad- Available online 25 August 2017 mium (Cd(II)) and methylene blue (MB) from wastewater. It was shown that the porous and lump-like magnesium silicate (MS) was decorated with multiple hydrothermal carbon (HC) via the C O Si cova- Keywords: lent bonding. Further, the adsorption behavior of Cd(II) and MB based on the MS, HC, and MS-C were Magnesium silicate systematically investigated. The equilibrium data of both Cd(II) and MB were fitted well with Langmuir Hydrothermal carbon model. Compared to pure MS and HC, the adsorption capacity of composite was significantly improved, Adsorption accompanied by the maximum adsorption capacity of 108 mg/g for Cd(II) and 418 mg/g for MB, respec- Cd(II) Methylene blue tively. In the Cd(II)–MB binary system, the adsorption of Cd(II) was favored in comparison http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Applied Surface Science Elsevier

Insight into highly efficient removal of cadmium and methylene blue by eco-friendly magnesium silicate-hydrothermal carbon composite

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Publisher
Elsevier
Copyright
Copyright © 2017 Elsevier B.V.
ISSN
0169-4332
eISSN
1873-5584
D.O.I.
10.1016/j.apsusc.2017.08.115
Publisher site
See Article on Publisher Site

Abstract

Article history: Water pollution is one of the forefront environmental problems. Due to the simplification, flexibility Received 14 May 2017 and low cost, the adsorption becomes one of the most fashionable technology and the exploitation of Received in revised form 29 July 2017 adsorbents has drawn greatly attention. In this study, a novel magnesium silicate-hydrothermal carbon Accepted 17 August 2017 composite (MS-C) was synthesized by facile hydrothermal carbonization and used to remove the cad- Available online 25 August 2017 mium (Cd(II)) and methylene blue (MB) from wastewater. It was shown that the porous and lump-like magnesium silicate (MS) was decorated with multiple hydrothermal carbon (HC) via the C O Si cova- Keywords: lent bonding. Further, the adsorption behavior of Cd(II) and MB based on the MS, HC, and MS-C were Magnesium silicate systematically investigated. The equilibrium data of both Cd(II) and MB were fitted well with Langmuir Hydrothermal carbon model. Compared to pure MS and HC, the adsorption capacity of composite was significantly improved, Adsorption accompanied by the maximum adsorption capacity of 108 mg/g for Cd(II) and 418 mg/g for MB, respec- Cd(II) Methylene blue tively. In the Cd(II)–MB binary system, the adsorption of Cd(II) was favored in comparison

Journal

Applied Surface ScienceElsevier

Published: Jan 1, 2018

References

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