In the, at present, unstable fuel market, much attention is devoted to alternative technologies for fuel production and development of alternative products of the petrochemical industry. One of the prospective sources of fuel and alternative petrochemical products is biomass, and the use of oil plants is one of the possibilities. This paper reports on a possible conversion of rapeseed oil produced in Poland into intermediate hydrocarbon fractions by pyrolysis combined with parallel catalytic conversion. The products were analysed by gas chromatography coupled with a mass detector. The process was performed in a fixed-bed reactor and was monitored by FTIR and 1H NMR. Depending on the catalysts applied, the products contained: water, carbon oxides, hydrogen, aliphatic or aromatic hydrocarbons accompanied by some amount of C2-C5 hydrocarbons formed during the cracking process.
SiO 2-La 2 O 3 binary oxide system was prepared by the sol-gel method without addition of strong polar solvents (e.g. water, alcohol) to the initial system. Changes in the surface and gel network structure were described as a function of the type and concentration of the second component that is lanthanum oxide. A series of samples with Si to La molar ratios of 1:0.1, 1:0.25, 1:0.5, and 1:1 were characterised by XRD, TG-TA, FTIR, and lowtemperature nitrogen adsorption measurements. Results of the investigation showed that higher amounts of the lanthanum component in the binary oxide gel system led to a completely changed morphology of the porous structure of the surface gels obtained in a non-aqueous medium.
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