Publication detail

Comparative study of sulfur-free nickel and palladium catalysts in hydrodeoxygenation of different fatty acid feedstocks for production of biofuels

Year: 2016

Type of publication: článek v odborném periodiku

Name of source: Catalysis Science and Technology

Publisher name: Royal Society of Chemistry

Place: Cambridge

Page from-to: 1476-1487

Titles:

Language	Name	Abstract	Keywords
cze	Srovnávací studie nesirných katalyzátorů na bázi niklu a paladia pro HDO mastných kyselin při produkci biopaliv	Dva typy nesirných katalyzátorů: nikl na H-Y zeolitech, gamma-Al2O3 a SiO2, a paladium na aktivním uhlí, byly testovány pro HDO mastných kyselin.	rostlinný olej; katalyzátor; HDO; Ni; Pd
eng	Comparative study of sulfur-free nickel and palladium catalysts in hydrodeoxygenation of different fatty acid feedstocks for production of biofuels	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.	vegetable-oils; catalysts; HDO; Ni; Pd

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