Journal
REACTION KINETICS MECHANISMS AND CATALYSIS
Volume 110, Issue 1, Pages 53-62Publisher
SPRINGER
DOI: 10.1007/s11144-013-0584-z
Keywords
Biomass; Fatty acids; Hydroconversion; Alcohols; NiIn/Ni,H-zeolites
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Funding
- Hungary-Slovakia Cross-border Co-operation Programme [HUSK/1101/1.2.1/0318]
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Octanoic acid (OA) was hydrotreated in a flow-through reactor at 21 bar total pressure and 240-340 A degrees C over supported metal catalysts prepared from Ni-zeolites (A, X, P) by indium modification. The Ni-zeolites were activated first in H-2 flow at 21 bar and 450 A degrees C. While a fraction of the nickel got fully reduced, the zeolite structure became partially destructed. However, some nickel cations remained unreduced, therefore a large fraction of the crystalline zeolite structure was retained. The indium modification of the reduced Ni-zeolites generated bimetallic NiIn/Ni,H-zeolite catalysts having higher stability, hydroconversion activity, octanol selectivity, and lower hydrodecarbonylation activity than the parent partially destructed Ni-zeolite and the Adkins-type catalysts, commercially applied for the conversion of fatty acids to alcohols.
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