| 摘要 |
FIELD: gas and oil production. ^ SUBSTANCE: invention refers to method of asphaltene obtainment by deasphaltisation of raw hydrocarbon material, involving raw material processing by solvent with further separation of deasphaltisate solution from asphaltene-containing substances, gradual fractioning, with raw material processing first by organic solvent with low ionisation potential (IPs) and boiling point at 152C or less, then by organic solvent with high ionisation potential (IPs) and boiling point at 152C or less, obtaining asphaltene-containing sediment subject to sequential gradual fractioning by adding organic solvents in the order of ionisation potential (IPs) decrease, obtaining asphaltene sediments at each stage, then asphaltene fractions are flushed from the sediments by the same solvents involved in fractioning, with further distillation of solvents and drying of distilled asphaltene fractions at 120C or less. ^ EFFECT: advanced oil processing, extended application sphere of asphaltenes and list of materials viable as raw materials for up-to-date organic semiconductors. ^ 7 cl, 4 tbl |
