Upgrading of petroleum resid, bitumen or heavy oils by the separation of asphaltenes and/or resins therefrom using ionic liquids

摘要

Petroleum resid, bitumen and/or heavy oil is upgraded by the separation of asphaltenes and/or resins from such resids, bitumen and/or heavy oils by contacting them with an ionic liquid with which the asphaltenes and/or resins interact.