Please use this identifier to cite or link to this item: https://hdl.handle.net/2440/96838
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Type: Journal article
Title: Porous graphitized carbon for adsorptive removal of benzene and the electrothermal regeneration
Author: Li, J.
Lu, R.
Dou, B.
Ma, C.
Hu, Q.
Liang, Y.
Wu, F.
Qiao, S.
Hao, Z.
Citation: Environmental Science and Technology (Washington), 2012; 46(22):12648-12654
Publisher: American Chemical Society
Issue Date: 2012
ISSN: 0013-936X
1520-5851
Statement of
Responsibility: 
Jinjun Li, Renjie Lu, Baojuan Dou, Chunyan Ma, Qiuhong Hu, Yan Liang, Feng Wu, Shizhang Qiao and Zhengping Hao
Abstract: Graphitized carbons with mesoporous and macroporous structures were synthesized by a facile template-catalysis procedure using resorcinol and formaldehyde as carbon precursors and particulate hydrated metal oxides as both template and catalyst precursors. The materials were used as novel adsorbents for low-concentration benzene vapor. Furthermore, on the basis of the good electrical conductivities associated with the graphitized structures, an electrothermal desorption technique, which involved passing electric currents through the adsorbents to generate Joule heat, was employed to regenerate the saturated adsorbents and produce enriched benzene vapors. In comparison to microporous activated carbon, the porous graphitized carbons could afford a much quicker and more efficient regeneration by electrothermal desorption technique due to their enhanced conductivity and larger pore sizes. In addition, the concentration of the desorbed organics could be controlled by adjusting the applied voltages, which might be interesting for practical secondary treatment. It is promising that the joint utilization of porous graphitized carbon adsorbents and electrothermal desorption technique might develop effective and energy-saving processes for VOCs removal.
Keywords: Environmental Remediation
Rights: © 2012 American Chemical Society
DOI: 10.1021/es303069j
Grant ID: http://purl.org/au-research/grants/arc/DP0987969
http://purl.org/au-research/grants/arc/DP1095861
Appears in Collections:Aurora harvest 7
Chemical Engineering publications

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