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Mechanisms of Toluene Removal in Relation to the Main Components of Biosyngas in a Catalytic Nonthermal Plasma Process
Xu, Bin1,2; Xie, Jianjun1; Yin, Xiuli1; Liu, Hao3; Sun, Chenggong3; Wu, Chuangzhi1,2
2019-05-01
发表期刊ENERGY & FUELS
ISSN0887-0624
卷号33期号:5页码:4287-4301
通讯作者Xie, Jianjun(xiejj@ms.giec.ac.cn)
摘要In this study, a packed-bed dielectric barrier discharge reactor was built for the removal of biomass gasification tar. Two kinds of packing materials, glass pellets and a Ni/gamma-Al2O3 catalyst, were employed for the plasma-alone process and the plasma catalytic process, respectively. Toluene was used as the tar surrogate, and five typical gas combinations, N-2, N-2 + CO2, N-2 + CO2 + CO, N-2 + CO + H-2, and simulated gasification gas (SGG), were selected as carrier gases. The effects of the main components of the gasification gas on toluene removal under plasma and/or catalysis treatment were studied. The results indicated that the highest removal efficiency in the plasma-alone process was achieved in the N-2 atmosphere, and the addition of H-2, CO, or CO2 to N-2 led to a decrease in the removal performance. When Ni/gamma-Al2O3 was introduced into the plasma process, the best removal efficiency was obtained in the N-2 + CO2 atmosphere. However, the positive effect of CO2 on toluene removal switched to a negative effect when CO2 coexists with CO and H-2 in the gas mixture. In addition, both the terminating effect at low temperature and the occurrence of methanation induced by CO at high temperature could significantly inhibit the removal of toluene in the plasma catalytic process. Typically, in the SGG atmosphere, the highest toluene removal efficiencies under plasma-alone, catalysis-alone, and plasma catalysis treatments were 33.5, 38.6, and 92.5%, respectively. Furthermore, no CN-containing or O-containing compounds were identified as the major by-products in the plasma catalytic process, which is significantly different from what was observed in the plasma-alone process. Moreover, a detailed mechanism of toluene removal under plasma and plasma catalysis treatment was proposed after the analysis of gas and liquid products.
DOI10.1021/acs.energyfuels.9b00273
关键词[WOS]PULSED CORONA DISCHARGES ; TAR MODEL-COMPOUND ; BIOMASS TAR ; FUEL GAS ; TEMPERATURE-DEPENDENCE ; LOWER HYDROCARBONS ; PACKED-BED ; GASIFICATION ; NAPHTHALENE ; DECOMPOSITION
收录类别SCI
语种英语
资助项目National Natural Science Foundation of China[51576200] ; National Natural Science Foundation of China[51811530317] ; Natural Science Foundation of Guangdong Province of China[2017B030308002] ; Royal Society International Exchanges 2017 Cost Share (China)[IEC \NSFC\170654]
WOS研究方向Energy & Fuels ; Engineering
项目资助者National Natural Science Foundation of China ; Natural Science Foundation of Guangdong Province of China ; Royal Society International Exchanges 2017 Cost Share (China)
WOS类目Energy & Fuels ; Engineering, Chemical
WOS记录号WOS:000468365400064
出版者AMER CHEMICAL SOC
引用统计
被引频次:17[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.giec.ac.cn/handle/344007/25291
专题中国科学院广州能源研究所
通讯作者Xie, Jianjun
作者单位1.Chinese Acad Sci, Guangzhou Inst Energy Convers, Key Lab Renewable Energy, Guangdong Prov Key Lab New & Renewable Energy Res, Guangzhou 510640, Guangdong, Peoples R China
2.Univ Chinese Acad Sci, Beijing 100049, Peoples R China
3.Univ Nottingham, Fac Engn, Dept Architecture & Built Environm, Univ Pk, Nottingham NG7 2RD, England
第一作者单位中国科学院广州能源研究所
推荐引用方式
GB/T 7714
Xu, Bin,Xie, Jianjun,Yin, Xiuli,et al. Mechanisms of Toluene Removal in Relation to the Main Components of Biosyngas in a Catalytic Nonthermal Plasma Process[J]. ENERGY & FUELS,2019,33(5):4287-4301.
APA Xu, Bin,Xie, Jianjun,Yin, Xiuli,Liu, Hao,Sun, Chenggong,&Wu, Chuangzhi.(2019).Mechanisms of Toluene Removal in Relation to the Main Components of Biosyngas in a Catalytic Nonthermal Plasma Process.ENERGY & FUELS,33(5),4287-4301.
MLA Xu, Bin,et al."Mechanisms of Toluene Removal in Relation to the Main Components of Biosyngas in a Catalytic Nonthermal Plasma Process".ENERGY & FUELS 33.5(2019):4287-4301.
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