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Author:

Luo, Mingsheng (Luo, Mingsheng.) | Li, Chenmeng (Li, Chenmeng.) | Liu, Qinglong (Liu, Qinglong.) | Yang, Zhi (Yang, Zhi.) | Wang, Yatao (Wang, Yatao.) | Li, Hongjuan (Li, Hongjuan.)

Indexed by:

EI Scopus SCIE

Abstract:

Direct hydrogenation of CO to alcohols through Fischer-Tropsch reaction process is taken great interest in recent years. In this study, a series of β-Mo2C/γ-Al2O3 catalyst are prepared to investigate the influence of carbon and molybdenum precursor, calcination temperature, as well as the molar ratio of the carbon precursor to molybdenum precursor compounds on catalyst microstructures and the catalytic performance. The microstructure characteristics of the catalysts were examined with XRD, BET, ICP, SEM and CO-TPD. The performance test of the catalysts for syngas-to-alcohol was investigated in a fixed-bed reactor. Properly excessive amount of hexamethylenetetramine as carbon precursor calcined at a high temperature (≥700 ) favors the formation of high crystalline β-Mo2C on γ-Al2O3 carrier. Catalysts with different amount of Mo were prepared to study the effect of active metal loading on microstructure and catalytic performance. The results show that the particle size of β-Mo2C and CO dissociation adsorption capacity, as well as the CO conversion increases with raised Mo loading. The selectivity of all higher alcohols reached the maximum when 25 % of Mo was loaded. © 2022 Elsevier B.V.

Keyword:

Aluminum oxide Particle size Synthesis gas Chemical reactors Fischer-Tropsch synthesis Catalysts Alumina Hydrogenation Molybdenum compounds Molar ratio Calcination Microstructure

Author Community:

  • [ 1 ] [Luo, Mingsheng]College of New Materials and Chemical Engineering, Beijing Institute of Petrochemical Technology, 19 Qing-Yuan North Road, Beijing; 102617, China
  • [ 2 ] [Luo, Mingsheng]Beijing Key Laboratory of Fuels Cleaning and Advanced Catalytic Emission Reduction Technology, Beijing Institute of Petrochemical Technology, 19 Qing-Yuan North Road, Beijing; 102617, China
  • [ 3 ] [Li, Chenmeng]College of New Materials and Chemical Engineering, Beijing Institute of Petrochemical Technology, 19 Qing-Yuan North Road, Beijing; 102617, China
  • [ 4 ] [Liu, Qinglong]College of New Materials and Chemical Engineering, Beijing Institute of Petrochemical Technology, 19 Qing-Yuan North Road, Beijing; 102617, China
  • [ 5 ] [Liu, Qinglong]Beijing Key Laboratory of Fuels Cleaning and Advanced Catalytic Emission Reduction Technology, Beijing Institute of Petrochemical Technology, 19 Qing-Yuan North Road, Beijing; 102617, China
  • [ 6 ] [Yang, Zhi]College of New Materials and Chemical Engineering, Beijing Institute of Petrochemical Technology, 19 Qing-Yuan North Road, Beijing; 102617, China
  • [ 7 ] [Yang, Zhi]Faculty of Environment and Life Science, Beijing University of Technology, 100 Ping-Le-Yuan, Beijing; 100124, China
  • [ 8 ] [Wang, Yatao]Coal Chemical R&D Center of Kailuan Group, 3 Third Road South, Haigang Economic Development Zone, Tangshan; Hebei; 063611, China
  • [ 9 ] [Li, Hongjuan]Coal Chemical R&D Center of Kailuan Group, 3 Third Road South, Haigang Economic Development Zone, Tangshan; Hebei; 063611, China

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Source :

Catalysis Today

ISSN: 0920-5861

Year: 2022

Volume: 402

Page: 328-334

5 . 3

JCR@2022

5 . 3 0 0

JCR@2022

ESI Discipline: CHEMISTRY;

ESI HC Threshold:53

JCR Journal Grade:1

CAS Journal Grade:2

Cited Count:

WoS CC Cited Count:

SCOPUS Cited Count: 13

ESI Highly Cited Papers on the List: 0 Unfold All

WanFang Cited Count:

Chinese Cited Count:

30 Days PV: 1

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