期刊
CATALYSIS SCIENCE & TECHNOLOGY
卷 6, 期 5, 页码 1476-1487出版社
ROYAL SOC CHEMISTRY
DOI: 10.1039/c5cy01294e
关键词
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资金
- Academy of Finland
Catalytic hydrodeoxygenation (HDO) of fatty acids has been investigated using different feedstocks for renewable diesel production. Two types of catalysts were studied: sulfur-free nickel supported on H-Y zeolites, gamma-Al2O3 and SiO2, and palladium supported on active carbon as a noble metal catalyst. Preliminary HDO experiments were carried out on these catalysts in a semi-batch reactor at 300 degrees C in H-2 under a total pressure of 30 bar for 6 h with stearic acid as a model for fatty acids. An in-depth comparative study of Ni/H-Y and Pd/C was performed in HDO of fatty acid methyl ester (FAME) obtained from the Chlorella microalga, tall oil fatty acids (TOFA) and animal fat. HDO experiments revealed that Ni/H-Y was a better catalyst for this process providing higher activity for different fatty acids. Ni supported on gamma-Al2O3 and SiO2 provided complete conversion upon testing in HDO of stearic acid while total HDO over Pd/C was not reached.
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