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solvent deasphalting

   Also found in: Acronyms 0.01 sec.
solvent deasphalting [′säl·vənt dē′as‚fȯlt·iŋ]
(chemical engineering)
A petroleum refinery process used to remove asphaltic and resinous materials from reduced crude oils, lubricating oil stocks, gas oils, or middle distillates through the extractive or precipitant action of solvents. Also known as solvent deresining.


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Such a project would typically include a primary residue-upgrading unit, such as a delayed coker, ebullated bed or solvent deasphalting unit, plus a hydrocracker, a much larger HMU, a sour water stripper plus gas treating, amine regeneration and sulphur recovery.
Feedstock for solvent deasphalting can be atmospheric resid or vacuum resid or a mixture of both.
Under the terms of the agreement, the third between FWUSA and UOP in the field of black-oil upgrading, FWUSA and UOP will pool their respective expertise and resources to develop a portfolio of lower-capital cost, more-energy-efficient solvent deasphalting technologies.
 
 
 
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