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Catalytic conversion of syngas to mixed alcohols over Zn-Mn promoted Cu-Fe based catalyst

Journal Article · · Applied Catalysis. A, General
 [1];  [2];  [2];  [3]
  1. Mississippi State Univ., Mississippi State, MS (United States); Mississippi State University
  2. Mississippi State Univ., Mississippi State, MS (United States)
  3. Mississippi State Univ., Mississippi State, MS (United States); China Univ. of Petroleum, Beijing (People's Republic of China)
Zn-Mn promoted Cu-Fe based catalyst was synthesized by the co-precipitation method. Mixed alcohols synthesis from syngas was studied in a half-inch tubular reactor system after the catalyst was reduced. Zn-Mn promoted Cu-Fe based catalyst was characterized by SEM-EDS, TEM, XRD, and XPS. The liquid phase products (alcohol phase and hydrocarbon phase) were analyzed by GC-MS and the gas phase products were analyzed by GC. The results showed that Zn-Mn promoted Cu-Fe based catalyst had high catalytic activity and high alcohol selectivity. The maximal CO conversion rate was 72%, and the yield of alcohol and hydrocarbons were also very high. Cu (111) was the active site for mixed alcohols synthesis, Fe2C (101) was the active site for olefin and paraffin synthesis. The reaction mechanism of mixed alcohols synthesis from syngas over Zn-Mn promoted Cu-Fe based catalyst was proposed. Here, Zn-Mn promoted Cu-Fe based catalyst can be regarded as a potential candidate for catalytic conversion of biomass-derived syngas to mixed alcohols.
Research Organization:
Mississippi State Univ., Mississippi State, MS (United States)
Sponsoring Organization:
USDOE Office of Energy Efficiency and Renewable Energy (EERE)
Grant/Contract Number:
FG36-06GO86025
OSTI ID:
1079498
Report Number(s):
GO8602509; PII: S0926860X12002049
Journal Information:
Applied Catalysis. A, General, Journal Name: Applied Catalysis. A, General Journal Issue: C Vol. 429-430; ISSN 0926-860X
Publisher:
ElsevierCopyright Statement
Country of Publication:
United States
Language:
English

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