Deactivation of HDS catalysts in deoxygenation of vegetable oils

Result code in IS VaVaI

<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F62243136%3A_____%2F11%3A%230000184" target="_blank" >RIV/62243136:_____/11:#0000184 - isvavai.cz</a>

Result on the web

<a href="http://www.sciencedirect.com/science/article/pii/S0926860X10007520" target="_blank" >http://www.sciencedirect.com/science/article/pii/S0926860X10007520</a>

DOI - Digital Object Identifier

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Result language

angličtina

Original language name

Deactivation of HDS catalysts in deoxygenation of vegetable oils

Original language description

Several rapeseed oils with different degree of upgrading were used as feedstocks for deoxygenation over sulfided CoMo/gama-Al2O3 catalyst. The rapeseed oil samples differed in the concentration of inorganic impurities, water, free fatty acids and phospholipids. The catalytic experiments were carried out in a fixed bed reactor at constant reaction conditions (310 °C,WHSV=2h-1, hydrogen pressure 3,5 MPa). Refined rapeseed oils were converted to hydrocarbons more efficiently than neat rapeseed oil, trap grease and waste oil. The high concentration of phospholipids in trap grease was the most likely cause of catalyst deactivation by coking. Decomposition of phospholipids as well as oligomerization of rapeseed oil by phosphoric acid at 310 °C was confirmedby separate laboratory experiments. The high concentration of alkalis in waste rapeseed oil was the main reason for increased deactivation in comparison with neat rapeseed oil. Sulfur removal from catalyst active sites affected adversely

Czech name

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Czech description

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Type

J_x - Unclassified - Peer-reviewed scientific article (Jimp, Jsc and Jost)

CEP classification

CI - Industrial chemistry and chemical engineering

OECD FORD branch

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Project

<a href="/en/project/FT-TA3%2F074" target="_blank" >FT-TA3/074: *Utilization of vegetable oils and glycerin for the production of motor fuels.</a><br>

Continuities

P - Projekt vyzkumu a vyvoje financovany z verejnych zdroju (s odkazem do CEP)

Publication year

2011

Confidentiality

S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

Name of the periodical

Applied Catalysis A: General

ISSN

0926-860X

e-ISSN

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Volume of the periodical

Vol. 394

Issue of the periodical within the volume

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Country of publishing house

NL - THE KINGDOM OF THE NETHERLANDS

Number of pages

9

Pages from-to

9-17

UT code for WoS article

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EID of the result in the Scopus database

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