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Effect of the desilication of H-ZSM-5 by alkali treatment on the catalytic performance in Fischer-Tropsch synthesis
Wang, Yuelun1; Li, Xinlong1; Ma, Hao1; Zhang, Hong1; Jiang, Yuan1; Wang, Hui2; Li, Zhuo2; Wu, Jinhu2
2017-04-01
发表期刊REACTION KINETICS MECHANISMS AND CATALYSIS
卷号120期号:2页码:775-790
摘要Hierarchical HZSM-5 zeolites were prepared by post-synthesis treatment of HZSM-5 zeolite with different concentrations of NaOH. The physicochemical properties of these zeolites loaded by cobalt nanoparticles in Fischer-Tropsch (FT) synthesis were investigated. It was found that the activity and CH4 selectivity increased at first, then decreased closely related to the change of catalyst reducibility indicating that higher cobalt reducibility was a prerequisite for hierarchical zeolites to improve FT catalytic performances. The catalyst treated with 0.1 M NaOH was found to be optimal for C12-18 selectivity, which was mainly attributed to bimodal porous structure to improve diffusion behavior of products combining with moderate acid sites to mitigate second reactions. While the catalyst treated with 0.15 M NaOH showed the lowest activity and higher CH4 selectivity due to its lower reducibility even the largest mesopores were observed.
文章类型Article
关键词Fischer-tropsch Synthesis Cobalt Catalyst Alkali Treatment Hierarchical Zeolites
WOS标题词Science & Technology ; Physical Sciences
DOI10.1007/s11144-016-1120-8
关键词[WOS]SUPPORTED RUTHENIUM NANOPARTICLES ; COBALT CATALYSTS ; ZEOLITE ZSM-5 ; MFI ZEOLITES ; C-5-C-11 ISOPARAFFINS ; MASS-TRANSFER ; PORE-SIZE ; SYNGAS ; SILICA ; SELECTIVITY
收录类别SCI
语种英语
WOS研究方向Chemistry
项目资助者China University of Mining and Technology(2015XKMS044) ; National Nature Science Foundation of China (NSFC) ; Shanxi Low Carbon Coal Foundation(U1510106) ; Priority Academic Program Development of Jiangsu Higher Education Institutions (PAPD)
WOS类目Chemistry, Physical
WOS记录号WOS:000398722100025
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文献类型期刊论文
条目标识符http://ir.qibebt.ac.cn/handle/337004/9288
专题热化学转化研究组
作者单位1.China Univ Min & Technol, Key Lab Coal Proc & Efficient Utilizat, Minist Educ, Xuzhou 221116, Jiangsu, Peoples R China
2.Chinese Acad Sci, Qingdao Inst Bioenergy & Bioproc Technol, Key Lab Biofuel, Qingdao 266101, Peoples R China
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Wang, Yuelun,Li, Xinlong,Ma, Hao,et al. Effect of the desilication of H-ZSM-5 by alkali treatment on the catalytic performance in Fischer-Tropsch synthesis[J]. REACTION KINETICS MECHANISMS AND CATALYSIS,2017,120(2):775-790.
APA Wang, Yuelun.,Li, Xinlong.,Ma, Hao.,Zhang, Hong.,Jiang, Yuan.,...&Wu, Jinhu.(2017).Effect of the desilication of H-ZSM-5 by alkali treatment on the catalytic performance in Fischer-Tropsch synthesis.REACTION KINETICS MECHANISMS AND CATALYSIS,120(2),775-790.
MLA Wang, Yuelun,et al."Effect of the desilication of H-ZSM-5 by alkali treatment on the catalytic performance in Fischer-Tropsch synthesis".REACTION KINETICS MECHANISMS AND CATALYSIS 120.2(2017):775-790.
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