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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 beta-Mo2C/gamma-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 degrees C) favors the formation of high crystalline beta-Mo2C/gamma-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 beta-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.

Keyword:

beta-Mo2C catalyst Fisher-Tropsch synthesis gamma-Al2O3 support Co hydrogenation Syngas-to-alcohol

Author Community:

  • [ 1 ] [Luo, Mingsheng]Beijing Inst Petrochem Technol, Coll New Mat & Chem Engn, 19 Qing Yuan North Rd, Beijing 102617, Peoples R China
  • [ 2 ] [Li, Chenmeng]Beijing Inst Petrochem Technol, Coll New Mat & Chem Engn, 19 Qing Yuan North Rd, Beijing 102617, Peoples R China
  • [ 3 ] [Liu, Qinglong]Beijing Inst Petrochem Technol, Coll New Mat & Chem Engn, 19 Qing Yuan North Rd, Beijing 102617, Peoples R China
  • [ 4 ] [Yang, Zhi]Beijing Inst Petrochem Technol, Coll New Mat & Chem Engn, 19 Qing Yuan North Rd, Beijing 102617, Peoples R China
  • [ 5 ] [Luo, Mingsheng]Beijing Inst Petrochem Technol, Beijing Key Lab Fuels Cleaning & Adv Catalyt Emiss, 19 Qing-Yuan North Rd, Beijing 102617, Peoples R China
  • [ 6 ] [Liu, Qinglong]Beijing Inst Petrochem Technol, Beijing Key Lab Fuels Cleaning & Adv Catalyt Emiss, 19 Qing-Yuan North Rd, Beijing 102617, Peoples R China
  • [ 7 ] [Yang, Zhi]Beijing Univ Technol, Fac Environm & Life Sci, 100 Ping Le Yuan, Beijing 100124, Peoples R China
  • [ 8 ] [Wang, Yatao]Coal Chem R&D Ctr Kailuan Grp, 3 Third Rd South, Tangshan 063611, Hebei, Peoples R China
  • [ 9 ] [Li, Hongjuan]Coal Chem R&D Ctr Kailuan Grp, 3 Third Rd South, Tangshan 063611, Hebei, Peoples R China

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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:

ESI Highly Cited Papers on the List: 0 Unfold All

WanFang Cited Count:

Chinese Cited Count:

30 Days PV: 0

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