Abstract
Effect of processing conditions on the improvement of properties and recovering yield of Moroccan oil shale
Highlights
Oil shale has been considered for a long time a great economic hope for those countries that possess large reserves
In order to show the effect of mineral matter on the yield of recuperation and composition of the extracted oils, we conducted extractions of three different samples according to the protocol described in the experimental part: sample 1, sub-layer R3; sample 2, sub-layer R3 freed of carbonates RH; sample 3, sublayer R3 freed of carbonates and silicates K3
The results demonstrate that the yield and composition of the oil obtained by extraction with water are obviously different from those of the oil obtained by extraction with toluene or shale oil
Summary
Oil shale has been considered for a long time a great economic hope for those countries that possess large reserves. Oil shale has some potential for the production of synthetic products such as cement, calcium, alumina, pitches, carbon adsorbents, zeolites, carbon fibers and other chemicals [5,6,7,8,9,10,11,12] Those applications have generated, in recent years, many studies on methods for extracting these oils, such as pyrolysis by conventional heating or under microwave irradiation, extraction with solvents under sub- and supercritical conditions or combustion in fluidized bed reactors [13,14,15,16,17]. (a) to study the effect of three factors (mineral matter, solvent and phenol as modifier) on the supercritical extraction of Moroccan oil shale to establish the optimal operating conditions likely to give a good yield of recovery with the best oil quality;. (b) to demonstrate that phenol was a very efficient modifier for oil shale, giving a good yield of recovery and a suitable maturation of organic matter
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