propane deasphalting


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propane deasphalting

[′prō‚pān dē′as‚fȯld·iŋ]
(chemical engineering)
Petroleum-refinery solvent process using propane to remove and precipitate asphalt from petroleum stocks, such as for lubricating oils.
References in periodicals archive ?
The scheme envisages process modification at Propane Deasphalting and MEK Dewaxing units of Lube Refinery in order to improve overall thermal efficiency of heat exchanging equipment and to improve yield of lube oil from slack waxes in which valuable oils are still untrained.
b) Carryout Process Modifications at Propane Deasphalting and MEK Dewaxing Units of lube oil refinery to improve lube oil yields by 2400 tons/year and reduction in energy consumption by 5000 tons/year equivalent of F.O.