DMSO is used as extraction solvent in aromatics extraction. Features are that it has high options for arenas; extraction temperature is low; innocuity and no cauterization; simple extraction craft, less equipments and energy saving, etc.
DMSO is used in food wax, edibile white oil refining and carcinogen testing, and in reclaiming petroleum gas acetylene and dissolving acetylene production. In the latest reports, it can be used in petroleum processing. New use will be developed continuously.