Journal
ACS CATALYSIS
Volume 5, Issue 11, Pages 6497-6502Publisher
AMER CHEMICAL SOC
DOI: 10.1021/acscatal.5b01913
Keywords
decarboxylation; oleic acid; fuel hydrocarbons; Pt; zeolite beads; ZIF-67
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Funding
- National Science Foundation EPSCoR program [1355438]
- Office of Integrative Activities
- Office Of The Director [1355438] Funding Source: National Science Foundation
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The synthesis of Pt supported on zeolite SA beads for the decarboxylation of oleic acid to heptadecane is demonstrated. The use of a microporous ZIF-67 crystalline layer on zeolite SA beads not only improved the heptadecane selectivity but also, most importantly, improved the stability of the resultant catalyst. Heptadecane yields as high as similar to 81% were observed for the fresh catalysts. The catalysts displayed only low to moderate loss of catalytic activity after two rounds of recycle. To our best knowledge, the catalytic performance of these catalysts is superior to those of the state-of-the-art catalysts at mild reaction conditions. In addition, as compared to powders, beads are much easier to recycle, can be fully recovered, and are more amenable for potential scale-up. The resultant catalysts are promising for the catalytic conversion of fatty acid molecules into gasoline/diesel-range hydrocarbons.
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