Hydroprocessed rapeseed oil as a source of hydrocarbon-based biodiesel |
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| Authors: | Pavel Šimá?ek David Kubi?ka Gustav Šebor |
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| Affiliation: | a Institute of Chemical Technology, Prague, Department of Petroleum Technology and Alternative Fuels, Technická 5, 166 28 Prague 6, Czech Republic
b Research Institute of Inorganic Chemistry, Department of Refining and Petrochemical Research, 436 70 Litvínov-Zálu?í 1, Czech Republic |
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| Abstract: | This paper deals with the hydroprocessing of rapeseed oil representing a perspective technological way for production of biocomponents in diesel fuel range. Rapeseed oil was hydroprocessed at various temperatures (260-340 °C) under a pressure of 7 MPa in a laboratory flow reactor. Three Ni-Mo/alumina hydrorefining catalysts were used. Reaction products were analyzed using several gas-chromatographic methods. Reaction products contained water, hydrogen-rich gas and organic liquid product (OLP). The main components of OLP were identified as C17 and C18n-alkanes and i-alkanes. At a low reaction temperature, OLP contained also free fatty acids and triglycerides. At reaction temperatures higher than 310 °C, OLP contained only hydrocarbons of the same nature as hydrocarbons present in diesel fuel. Influence of reaction temperature and catalyst on the composition of reaction products is discussed. |
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| Keywords: | Hydroprocessing Hydrocracking Rapeseed oil Biodiesel |
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