STUDY ON EXTRACTION TECHNOLOGY OF THE INDONESIAN OIL SANDS BITUMEN BY ACCELERATED SOLVENT EXTRACTION

Abstract

Abstract: Accelerated solvent extraction technology was used to extract oil sands bitumen, and the optimum technological parameters of pressurized solvent extraction technology were obtained by single factor test and orthogonal test. The results show that the accelerated solvent extraction method is superior to the traditional Soxhlet extraction and Fisher test in the pressure condition and the mixture of diatomite dispersant. The optimal process parameters of accelerated solvent extraction for the extraction of oil sands bitumen were obtained by orthogonal test as follows: a pressureof 10 MPa, a soil-sand volume ratio of 2:1, a extraction temperature of 160 ℃ , a times of cycles of 5 , solvent tetrahydrofuran, and a single static extraction time of 12 min.

Key words: oil sands bitumen, accelerated solvent extraction, orthogonal experiment

References

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