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题名: Experimental and simulation study of hydrogen sulfide adsorption on impregnated activated carbon under anaerobic conditions
作者: Xiao, Yonghou1, 2;  Wang, Shudong1;  Wu, Diyong1;  Yuan, Quan1
通讯作者: 袁权
关键词: hydrogen sulfide ;  impregnated activated carbon ;  adsorption ;  breakthrough curves ;  simulation
刊名: JOURNAL OF HAZARDOUS MATERIALS
发表日期: 2008-05-30
DOI: 10.1016/j.jhazmat.2007.09.081
卷: 153, 期:3, 页:1193-1200
收录类别: SCI
文章类型: Article
部门归属: 9
项目归属: 901
产权排名: 1;1
WOS标题词: Science & Technology ;  Technology ;  Life Sciences & Biomedicine
类目[WOS]: Engineering, Environmental ;  Engineering, Civil ;  Environmental Sciences
研究领域[WOS]: Engineering ;  Environmental Sciences & Ecology
英文摘要: In this study., a sodium carbonate impregnated activated carbon (IAC) was applied as the adsorbent for low concentration hydrogen sulfide (H2S) in nitrogen under the anaerobic conditions in a fixed bed. The effects of impregnation, relative humidity, temperature, and the inlet H2S concentration on the adsorption process were intensively investigated. The data of adsorption capacity were correlated by Langmuir isotherm. The results showed that the data fitted the model well within the concentration range studied. The IAC demonstrated more than three times adsorption capacity for H2S under dry conditions, compared with the original activated carbon (AC). It was confirmed that increasing relative humidity enhanced H2S adsorption capacity on both AC and IAC, and the adsorption capacity of H2S decreased slightly with increasing temperature. To predict breakthrough curves, a one-dimension model for the fixed beds packed with porous adsorbents was proposed and numerically solved. Simulation results matched with the experimental data in most part of the breakthrough curves. (C) 2007 Elsevier B.V. All rights reserved.
关键词[WOS]: TEMPERATURE CATALYTIC-OXIDATION ;  SEWAGE-TREATMENT PLANTS ;  H2S REMOVAL ;  SURFACE-CHEMISTRY ;  WATER ;  GAS ;  STREAMS ;  AIR ;  ADSORBENTS ;  MECHANISM
语种: 英语
原文出处: 查看原文
WOS记录号: WOS:000255544300038
Citation statistics: 
内容类型: 期刊论文
URI标识: http://cas-ir.dicp.ac.cn/handle/321008/100509
Appears in Collections:中国科学院大连化学物理研究所_期刊论文

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作者单位: 1.Chinese Acad Sci, Dalian Inst Chem Phys, Dalian 116023, Peoples R China
2.Chinese Acad Sci, Grad Sch, Beijing 100039, Peoples R China

Recommended Citation:
Xiao, Yonghou,Wang, Shudong,Wu, Diyong,et al. Experimental and simulation study of hydrogen sulfide adsorption on impregnated activated carbon under anaerobic conditions[J]. JOURNAL OF HAZARDOUS MATERIALS,2008,153(3):1193-1200.
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