Citation: Liu Ming-Xian, Deng Xiang-Xiang, Zhu Da-Zhang, Duan Hui, Xiong Wei, Xu Zi-Jie, Gan Li-Hua. Magnetically separated and N,S co-doped mesoporous carbon microspheres for the removal of mercury ions[J]. Chinese Chemical Letters, ;2016, 27(5): 795-800. doi: 10.1016/j.cclet.2016.01.038 shu

Magnetically separated and N,S co-doped mesoporous carbon microspheres for the removal of mercury ions

a.
Shanghai Key Lab of Chemical Assessment and Sustainability, Department of Chemistry, Tongji University, Shanghai 200092, China
b.
School of Chemistry and Environmental Engineering, Wuhan Institute of Technology, Wuhan 430073, China

Corresponding author: Gan Li-Hua, ganlh@tongji.edu.cn
Received Date: 9 October 2015
Revised Date: 22 December 2015
Accepted Date: 21 January 2016
Available Online: 2 May 2016

Figures(5)

Magnetically separated and N, S co-doped mesoporous carbon microspheres (N/S-MCMs/Fe₃O₄) are fabricated by encapsulating SiO₂ nanoparticles within N, S-containing polymer microspheres which were prepared using resorcinol/formaldehyde as the carbon source and cysteine as the nitrogen and sulfur co-precursors, followed by the carbonization process, silica template removal, and the introduction of Fe₃O₄ into the carbon mesopores. N/S-MCMs/Fe₃O₄ exhibits an enhanced Hg²⁺ adsorption capacity of 74.5 mg/g, and the adsorbent can be conveniently and rapidly separated from wastewater using an externalmagnetic field. This study opens up new opportunities to synthesize welldeveloped, carbon-based materials as an adsorbent for potential applications in the removal of mercury ions from wastewater.
- N, S co-doped mesoporous carbon,
- microspheres,
- Magnetite,
- Adsorption,
- Mercury ion,
- Magnetic separation
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