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Roles Investigation of Promoters in K/Cu-Zn Catalyst and Higher Alcohols Synthesis from CO2 Hydrogenation over a Novel Two-Stage Bed Catalyst Combination System
Guo, Haijun1,2; Li, Shanggui3; Peng, Fen1,2; Zhang, Hairong1,2; Xiong, Lian1,2; Huang, Chao1,2; Wang, Can1,2; Chen, Xinde1,2
2015-02-01
发表期刊CATALYSIS LETTERS
卷号145期号:2页码:620-630
摘要A novel two-stage bed catalyst combination system composed of a low-temperature RWGS catalyst and another high-temperature modified F-T synthesis catalyst was developed to higher alcohols synthesis from CO2 hydrogenation in this work. Firstly, the roles of K2O and ZnO promoters in Cu-based catalyst were investigated by N-2 adsorption/desorption, XRD, H-2-TPR, CO2-TPD and RWGS reaction test. Results showed that K2O plays a positive role in improving the CuO-ZnO interaction and ZnO acts as a support for promoting the dispersion of copper species and improving the unit surface area of copper metal. Well dispersed copper in contact with the surface of ZnO particles leads to the ideal performances for RWGS reaction accompanying with methanol synthesis over CuZn1.0K0.15 catalyst due to the synergetic promotion effect between K2O and ZnO promoters. Then, the optimization of loading mode and loading volume ratio of catalyst combination system was conducted. It was indicated that the higher alcohols can be effectively synthesized from CO2 hydrogenation over the optimal CZK(1.5)//CFCK(4.5) two-stage bed catalyst combination system due to the thermal coupling effect and product conversion coupling effect of these catalysts.
文章类型Article
关键词Synergetic Promotion Effect Higher Alcohols Synthesis Co2 Hydrogenation Two-stage Bed Catalyst Combination System
WOS标题词Science & Technology ; Physical Sciences
DOI10.1007/s10562-014-1446-7
研究领域[WOS]Chemistry
关键词[WOS]METHANOL SYNTHESIS CATALYSTS ; GAS SHIFT REACTION ; CARBON-DIOXIDE ; CU DISPERSION ; ETHANOL ; TEMPERATURE ; METHANATION ; CONVERSION ; REDUCTION ; BUTANOL
收录类别SCI
语种英语
WOS类目Chemistry, Physical
WOS记录号WOS:000349553000017
引用统计
被引频次:7[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/344007/10800
专题中国科学院广州能源研究所
集成技术研发中心
作者单位1.Chinese Acad Sci, Key Lab Renewable Energy, Guangzhou 510640, Guangdong, Peoples R China
2.Chinese Acad Sci, R&D Ctr Xuyi Attapulgite Appl Technol, Guangzhou Inst Energy Convers, Xuyi 211700, Peoples R China
3.China Nucl Power Engn Co Ltd, Engn & Design Inst, Shenzhen 518052, Peoples R China
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GB/T 7714
Guo, Haijun,Li, Shanggui,Peng, Fen,et al. Roles Investigation of Promoters in K/Cu-Zn Catalyst and Higher Alcohols Synthesis from CO2 Hydrogenation over a Novel Two-Stage Bed Catalyst Combination System[J]. CATALYSIS LETTERS,2015,145(2):620-630.
APA Guo, Haijun.,Li, Shanggui.,Peng, Fen.,Zhang, Hairong.,Xiong, Lian.,...&Chen, Xinde.(2015).Roles Investigation of Promoters in K/Cu-Zn Catalyst and Higher Alcohols Synthesis from CO2 Hydrogenation over a Novel Two-Stage Bed Catalyst Combination System.CATALYSIS LETTERS,145(2),620-630.
MLA Guo, Haijun,et al."Roles Investigation of Promoters in K/Cu-Zn Catalyst and Higher Alcohols Synthesis from CO2 Hydrogenation over a Novel Two-Stage Bed Catalyst Combination System".CATALYSIS LETTERS 145.2(2015):620-630.
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