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题名: Fischer-Tropsch synthesis on impregnated cobalt-based catalysts: New insights into the effect of impregnation solutions and pH value
作者: Xing, Chuang1;  Ai, Peipei2;  Zhang, Peipei2;  Gao, Xinhua2;  Yang, Ruiqin2;  Yamane, Noriyuki5;  Sun, Jian3;  Reubroycharoen, Prasert4;  Tsubaki, Noritatsu1, 2
关键词: Fischer-Tropsch synthesis ;  Co catalyst ;  pH value ;  Impregnation solution
刊名: JOURNAL OF ENERGY CHEMISTRY
发表日期: 2016-11-01
DOI: 10.1016/j.jechem.2016.09.008
卷: 25, 期:6, 页:994-1000
收录类别: SCI
文章类型: Article
WOS标题词: Science & Technology ;  Physical Sciences ;  Technology
类目[WOS]: Chemistry, Applied ;  Chemistry, Physical ;  Energy & Fuels ;  Engineering, Chemical
研究领域[WOS]: Chemistry ;  Energy & Fuels ;  Engineering
英文摘要: The Co-based catalysts were prepared with different cobalt acetate solutions. Effects of pH value were studied deeply on Fischer-Tropsch synthesis (FTS) through a semi-batch reactor. Among all impregnation solutions (water, butanol, amyl alcohol, acetic acid, nitric acid and ammonium nitrate), the catalyst prepared by NH4 NO3 solution showed the highest catalytic activity due to its small particle size and high reduction degree. However, the catalyst with the smallest particle size derived from water as impregnation solution exhibited low activity as well as high methane selectivity since it was difficult to be reduced and inactive in FTS. According to FT-IR spectra results, the low intensity of absorbed CO on the catalyst prepared from water solution resulted in low FTS activity. Whereas, the high activity of catalysts prepared from NH4 NO3 solution could be explained by the high intensity of absorbed CO on the catalysts. The cobalt species on the catalysts prepared under lower pH conditions exhibited smaller particle size distribution as well as lower CO conversion than those prepared at higher pH value. (C) 2016 Science Press and Dalian Institute of Chemical Physics, Chinese Academy of Sciences. Published by Elsevier B. V. and Science Press. All rights reserved.
关键词[WOS]: CO-BASED CATALYSTS ;  CO/SIO2 CATALYSTS ;  SILICA ;  NANOPARTICLES ;  SUPPORT ;  ALUMINA ;  DESIGN ;  SIZE
语种: 英语
WOS记录号: WOS:000390132200011
Citation statistics: 
内容类型: 期刊论文
URI标识: http://cas-ir.dicp.ac.cn/handle/321008/151822
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.Zhejiang Univ Sci & Technol, Sch Biol & Chem Engn, Hangzhou 310023, Zhejiang, Peoples R China
2.Toyama Univ, Dept Appl Chem, Grad Sch Engn, Toyama 9308555, Japan
3.Chinese Acad Sci, Dalian Inst Chem Phys, Dalian Natl Lab Clean Energy DNL, Dalian 116023, Liaoning, Peoples R China
4.Chulalongkorn Univ, Fac Sci, Dept Chem Technol, Bangkok 10330, Thailand
5.Nippon Steel & Sumitomo Met Corp, Adv Technol Res Labs 20 1, Futtsu 2938511, Japan

Recommended Citation:
Xing, Chuang,Ai, Peipei,Zhang, Peipei,et al. Fischer-Tropsch synthesis on impregnated cobalt-based catalysts: New insights into the effect of impregnation solutions and pH value[J]. JOURNAL OF ENERGY CHEMISTRY,2016,25(6):994-1000.
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