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UPGRADING OF -DOMANIK- SHALE OIL BY SUPERCRITICAL WATER
Abstract
The purpose of this research is the treatment of Domanik shale oil (DSO) by supercritical water conditions. The experiments were carried out at 400 oC and with different residence times at 140, 300 and 480 min. The DSO is powdered and mixed with distilled water then loaded in the batch reactor and they were heated until reach the desired conditions at 400 °C and of 265.9 bars. The results reveal a great dependence of the product yield and quality at the residence time. Similarly, the obtained products were analyzed, and it is proved that as time increases, the rate of yield of liquid product (synthetic oil) increases, and the formation of coke was not observed during this work. Regarding the coke formation, two products yield of 140 and 300 min the coke was not observed except the product of 480 min which the yield of coke is 7.02%. At 140 min of residence time, the conversion rate reached 7.45% of the synthetic oil; at 300 min the yield continues to increase up to 8.16% and the liquid yield continue to increase until reach 9.00% at 480 min. The supercritical water treatment of Domanik shale oil at 400 oC shown a positive effect in this work, and the only factor in the process is the temperature and residence time and also the water density.
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