Abstract
Parametric study of methyl oleate catalytic cracking. The limitation of oil resources leads to the development of new technologies that can exploit more fully renewable energies such as fatty matter (rapeseed or sunflower oils) and their derivatives. The general aim of this study is to produce chemical base products with high added value in lubricant and detergent sectors. The purpose of this research was to investigate the conversion of methyl oleate, a major derivative from rapeseed oil, to hydrocarbons. In support of our knowledge in vegetable oil derivatives cracking, a laboratory pilot was conceived in Nancy. To describe the running conditions of the fixed bed reactor, the physical quantities (profile of temperature, time of contact...) were defined. Liquid and gaseous products were analysed by gas phase chromatography and CO–CO 2 by infrared spectrometry. The conversion of methyl oleate, selectivities and yields of cuts of products showed that there is a narrow link between the nature of the catalyst and product distribution; the best conversion of methyl oleate was obtained with activated alumina. This emergent lipochemistry could lead to new processes and to new products (lubricants, surfactants) coming from derivatives issued from vegetable oils and therefore capable of keeping the biodegradability of the raw matter. To cite this article: F. Billaud et al., C. R. Chimie 7 (2004) .
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