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J Environ Sci (China)

Title:		Adsorption of VOCs on reduced graphene oxide
Author(s):		Yu L; Wang L; Xu W; Chen L; Fu M; Wu J; Ye D;
Address:		"College of Environment and Energy, South China University of Technology, Guangzhou 510006, China. Electronic address: esyulian@scut.edu.cn. College of Environment and Energy, South China University of Technology, Guangzhou 510006, China. College of Environment and Energy, South China University of Technology, Guangzhou 510006, China; Guangdong Provincial Key Laboratory of Atmospheric Environment and Pollution Control, Guangzhou 510006, China; National Engineering Laboratory for VOCs Pollution Control Technology and Equipment, South China University of Technology, Guangzhou 510006, China. College of Environment and Energy, South China University of Technology, Guangzhou 510006, China; Guangdong Provincial Key Laboratory of Atmospheric Environment and Pollution Control, Guangzhou 510006, China; National Engineering Laboratory for VOCs Pollution Control Technology and Equipment, South China University of Technology, Guangzhou 510006, China. Electronic address: cedqye@scut.edu.cn"
Journal Title:		J Environ Sci (China)
Year:		2018
Volume:		20170908
Issue:
Page Number:		171 - 178
DOI:		10.1016/j.jes.2017.08.022
ISSN/ISBN:		1001-0742 (Print) 1001-0742 (Linking)
Abstract:		"A modified Hummer's method was adopted for the synthesis of graphene oxide (GO) and reduced graphene oxide (rGO). It was revealed that the modified method is effective for the production of GO and rGO from graphite. Transmission electron microscopy (TEM) images of GO and rGO showed a sheet-like morphology. Because of the presence of oxygenated functional groups on the carbon surface, the interlayer spacing of the prepared GO was higher than that of rGO. The presence of OH and CO groups in the Fourier transform infrared spectra (FTIR) spectrum and G-mode and 2D-mode in Raman spectra confirmed the synthesis of GO and rGO. rGO (292.6m(2)/g) showed higher surface area than that of GO (236.4m(2)/g). The prepared rGO was used as an adsorbent for benzene and toluene (model pollutants of volatile organic compounds (VOCs)) under dynamic adsorption/desorption conditions. rGO showed higher adsorption capacity and breakthrough times than GO. The adsorption capacity of rGO for benzene and toluene was 276.4 and 304.4mg/g, respectively. Desorption experiments showed that the spent rGO can be successfully regenerated by heating at 150.0 degrees C. Its excellent adsorption/desorption performance for benzene and toluene makes rGO a potential adsorbent for VOC adsorption"
Keywords:		"Adsorption Graphite/analysis/*chemistry *Models, Chemical Volatile Organic Compounds/analysis/*chemistry Graphene oxide Reduced graphene oxide Volatile organic compounds;"
Notes:		"MedlineYu, Lian Wang, Long Xu, Weicheng Chen, Limin Fu, Mingli Wu, Junliang Ye, Daiqi eng Netherlands 2018/05/21 J Environ Sci (China). 2018 May; 67:171-178. doi: 10.1016/j.jes.2017.08.022. Epub 2017 Sep 8"