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Noble metal-free catalytic decarboxylation of oleic acid to n-heptadecane on nickel-based metal–organic frameworks (MOFs)

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Abstract

Nickel based metal organic frameworks (Ni-MOFs) were successfully synthesized using new conjugated carboxylic acid linkers. These conjugated carboxylic acid linkers were synthesized using mild Heck coupling that led to the incorporation of functional groups not possible by traditional synthetic methods. Control of linker size allows for porosity tuning of the crystalline network and high surface area, that, in theory, results in the increased accessibility to Ni metal centers for catalysis. The resultant crystalline Ni-MOFs displayed BET areas as high as ∼314 m2 g−1. To investigate their catalytic activity for conversion of oleic acid to liquid hydrocarbons, Ni-MOFs were grown on zeolite 5A beads that served as catalytic supports. The resultant catalysts displayed heptadecane selectivity as high as ∼77% at mild reaction conditions, one of the highest yields for non-noble metal containing catalysts. The catalytic activity correlated to the concentration of acid sites. A slight decrease in catalytic activity was observed after catalysts recycling.

Graphical abstract: Noble metal-free catalytic decarboxylation of oleic acid to n-heptadecane on nickel-based metal–organic frameworks (MOFs)

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Publication details

The article was received on 22 Mar 2017, accepted on 09 Jun 2017 and first published on 12 Jun 2017


Article type: Paper
DOI: 10.1039/C7CY00564D
Citation: Catal. Sci. Technol., 2017, Advance Article
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    Noble metal-free catalytic decarboxylation of oleic acid to n-heptadecane on nickel-based metal–organic frameworks (MOFs)

    L. Yang, B. W. McNichols, M. Davidson, B. Schweitzer, D. A. Gómez-Gualdrón, B. G. Trewyn, A. Sellinger and M. A. Carreon, Catal. Sci. Technol., 2017, Advance Article , DOI: 10.1039/C7CY00564D

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