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Adsorption of SO2 and chlorobenzene on activated carbon
Guo, Yangyang1,2; Li, Yuran1; Zhu, Tingyu1; Ye, Meng1; Wang, Xue1
AbstractActivated carbon is very effective for simultaneous removal of multiple pollutants. The adsorption of SO2 and chlorobenzene modeling of VOCs on activated carbon was investigated in a fixed-bed reactor by four kinds of activated carbon. The results show that the SO2 adsorption is affected by the BET surface and basic functional groups as C=O and pi-pi* groups of the carbon, while the chlorobenzene adsorption is strongly affected by the carbon pore structure, with the micropore volume deciding the adsorption amount and larger pores increasing the adsorption rate. The chlorobenzene adsorption is little affected by the chemical properties of activated carbon as the O/C ratio detected by XPS. The effect of SO2 on the chlorobenzene adsorption was investigated, with the results showing the SO2 seriously restricts the individual chlorobenzene adsorption and this effect becomes smaller in the presence of O-2. The adsorption products were analyzed by TPD-MS and the initial decomposition temperatures are 380 K for chlorobenzene and 500 K for SO2, showing that SO2 is much more stable adsorbed than chlorobenzene. The changes of the carbon functional groups that the CO2 desorption peak emerges at 700 K and decreases at 1000 K with the chlorobenzene adsorption, were observed by TPD-MS, indicating that the lactone and quinone groups on the carbon are likely to combine with the chlorobenzene and form weakly chemisorbed chlorobenzene.
KeywordActivated Carbon Vocs Chlorobenzene So2 Co-adsorption
WOS HeadingsScience & Technology ; Physical Sciences ; Technology
Indexed BySCI
WOS Research AreaChemistry ; Engineering
WOS SubjectChemistry, Physical ; Engineering, Chemical
WOS IDWOS:000326392800004
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Cited Times:22[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Affiliation1.Chinese Acad Sci, Inst Proc Engn, Natl Engn Lab Hydromet Cleaner Prod Technol, Res Ctr Proc Pollut Control, Beijing 100049, Peoples R China
2.Chinese Acad Sci, Grad Univ, Beijing 100049, Peoples R China
Recommended Citation
GB/T 7714
Guo, Yangyang,Li, Yuran,Zhu, Tingyu,et al. Adsorption of SO2 and chlorobenzene on activated carbon[J]. ADSORPTION-JOURNAL OF THE INTERNATIONAL ADSORPTION SOCIETY,2013,19(6):1109-1116.
APA Guo, Yangyang,Li, Yuran,Zhu, Tingyu,Ye, Meng,&Wang, Xue.(2013).Adsorption of SO2 and chlorobenzene on activated carbon.ADSORPTION-JOURNAL OF THE INTERNATIONAL ADSORPTION SOCIETY,19(6),1109-1116.
MLA Guo, Yangyang,et al."Adsorption of SO2 and chlorobenzene on activated carbon".ADSORPTION-JOURNAL OF THE INTERNATIONAL ADSORPTION SOCIETY 19.6(2013):1109-1116.
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