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Reaction Condition Optimization and Lumped Kinetics Study for Lower Alcohols Synthesis from Syngas Using a Two-Stage Bed Catalyst Combination System
Guo, Haijun1,2; Li, Shanggui3; Zhang, Hairong1,2; Peng, Fen1,2; Xiong, Lian1,2; Yang, Juan1,2; Wang, Can1,2; Chen, Xinde1,2; Chen, Yong1,2
2014-01-08
发表期刊INDUSTRIAL & ENGINEERING CHEMISTRY RESEARCH
卷号53期号:1页码:123-131
摘要A novel two-stage catalyst combination system for CO hydrogenation was applied. First, the thermal coupling conditions between modified Fisher-Tropsch (FT) synthesis catalyst Cu25Fe22Co3K3/SiO2 and methanol synthesis catalyst Cu/ZnO/Al2O3 were investigated. Then, the loading mode and volume of Cu/ZnO/Al2O3 and Cu25Fe22Co3K3/SiO2 catalyst combination system for lower alcohols synthesis was optimized. The obtained thermal coupling conditions were as follows: (reduction conditions) T = 400 degrees C, P = 0.5 MPa, and GSHV = 840 h(-1); (reaction conditions) T = 280 degrees C, P = 5.5 MPa, and GSHV = 2800 h(-1). Under these conditions, the per-pass conversion of CO and yield of lower alcohols reached 48.3% and 492.0 g kg(-1) h(-1), respectively, over the two-stage bed catalyst combination system of Cu25Fe22Co3K3/SiO2 (2.5 mL)//Cu/ZnO/Al2O3 (2.5 mL). It was indicated that the combined loading mode in a two-stage bed reactor showed better catalytic performances than single or mixed loading mode in a single bed reactor. Through a lumped kinetics study over the Cu25Fe22Co3K3/SiO2 (2.5 mL)// Cu/ZnO/Al2O3 (2.5 mL) two-stage bed catalyst combination system, this can be due to the improvement of methanol synthesis over the lower Cu/ZnO/Al2O3 catalyst which was promoted by the generated CO2 from the upper Cu25Fe22Co3K3/SiO2 catalyst.
文章类型Article
WOS标题词Science & Technology ; Technology
DOI10.1021/ie402422p
研究领域[WOS]Engineering
关键词[WOS]MIXED ALCOHOLS ; SYNTHESIS GAS ; METHANOL SYNTHESIS ; CO HYDROGENATION ; OXIDE CATALYST ; CARBON OXIDES ; MIXTURES ; ISOBUTANOL ; CONVERSION ; RATIO
收录类别SCI
语种英语
WOS类目Engineering, Chemical
WOS记录号WOS:000329586100014
引用统计
文献类型期刊论文
条目标识符http://ir.giec.ac.cn/handle/344007/10665
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, Guangzhou Inst Energy Convers, Key Lab Renewable Energy, Guangzhou 510640, Guangdong, Peoples R China
2.Chinese Acad Sci, Xuyi Ctr Palygorskite Appl Technol Res Dev & Ind, Xuyi 211700, Peoples R China
3.Chinese Acad Sci, Grad Univ, Beijing 100049, Peoples R China
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GB/T 7714
Guo, Haijun,Li, Shanggui,Zhang, Hairong,et al. Reaction Condition Optimization and Lumped Kinetics Study for Lower Alcohols Synthesis from Syngas Using a Two-Stage Bed Catalyst Combination System[J]. INDUSTRIAL & ENGINEERING CHEMISTRY RESEARCH,2014,53(1):123-131.
APA Guo, Haijun.,Li, Shanggui.,Zhang, Hairong.,Peng, Fen.,Xiong, Lian.,...&Chen, Yong.(2014).Reaction Condition Optimization and Lumped Kinetics Study for Lower Alcohols Synthesis from Syngas Using a Two-Stage Bed Catalyst Combination System.INDUSTRIAL & ENGINEERING CHEMISTRY RESEARCH,53(1),123-131.
MLA Guo, Haijun,et al."Reaction Condition Optimization and Lumped Kinetics Study for Lower Alcohols Synthesis from Syngas Using a Two-Stage Bed Catalyst Combination System".INDUSTRIAL & ENGINEERING CHEMISTRY RESEARCH 53.1(2014):123-131.
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