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Title: Replacing precious metals with carbide catalysts for hydrogenation reactions

Journal Article · · Topics in Catalysis
 [1];  [2];  [3];  [3]
  1. Tsinghua Univ., Beijing (China). Beijing Key Lab. of Green Chemical Reaction Engineering and Technology; Columbia Univ., New York, NY (United States)
  2. Columbia Univ., New York, NY (United States); Brookhaven National Lab. (BNL), Upton, NY (United States)
  3. Tsinghua Univ., Beijing (China). Beijing Key Lab. of Green Chemical Reaction Engineering and Technology

Molybdenum carbide (Mo₂C and Ni/Mo₂C) catalysts were compared with Pd/SiO₂ for the hydrogenation of several diene molecules, 1,3- butadiene, 1,3- and 1,4-cyclohexadiene (CHD). Compared to Pd/SiO₂, Mo₂C showed similar hydrogenation rate for 1,3-butadiene and 1,3-CHD and even higher rate for 1,4-CHD, but with significant deactivation rate for 1,3-CHD hydrogenation. However, the hydrogenation activity of Mo₂C could be completely regenerated by H₂ treatment at 723 K for the three molecules. The Ni modified Mo₂C catalysts retained similar activity for 1,3-butadiene hydrogenation with significantly enhanced selectivity for 1-butene production. The 1-butene selectivity increased with increasing Ni loading below 15%. Among the Ni modified Mo₂C catalysts, 8.6%Ni/Mo₂C showed the highest selectivity to 1-butene, which was even higher selectivity than that over Pd/SiO₂. Compared to Pd/SiO₂, both Mo₂C and Ni/Mo₂C showed combined advantages in hydrogenation activity and catalyst cost reduction, demonstrating the potential to use less expensive carbide catalysts to replace precious metals for hydrogenation reactions.

Research Organization:
Brookhaven National Laboratory (BNL), Upton, NY (United States)
Sponsoring Organization:
USDOE Office of Science (SC), Basic Energy Sciences (BES)
Grant/Contract Number:
SC00112704
OSTI ID:
1182534
Report Number(s):
BNL-107630-2015-JA; KC0302010
Journal Information:
Topics in Catalysis, Vol. 58, Issue 4-6; ISSN 1022-5528
Publisher:
SpringerCopyright Statement
Country of Publication:
United States
Language:
English
Citation Metrics:
Cited by: 23 works
Citation information provided by
Web of Science

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Cited By (4)

Identifying Different Types of Catalysts for CO 2 Reduction by Ethane through Dry Reforming and Oxidative Dehydrogenation journal November 2015
Tungsten Carbide: A Remarkably Efficient Catalyst for the Selective Cleavage of Lignin C−O Bonds journal October 2016
Potassium-Promoted Molybdenum Carbide as a Highly Active and Selective Catalyst for CO 2 Conversion to CO journal May 2017
Identifying Different Types of Catalysts for CO 2 Reduction by Ethane through Dry Reforming and Oxidative Dehydrogenation journal November 2015