Method of and apparatus for producing power in solvent deasphalt

Details Method of and apparatus for producing power in solvent deasphalt Method of and apparatus for producing power in solvent deasphalt

1995-12-13

1998-09-08

Griffin, Walter D.

Mineral oils: processes and products

Fractionation

Deasphalting

208309, 208311, 208321, 208 45, 196 1452, C10C 300, B01D 1100

Patent

active

058040609

ABSTRACT:
Power is generated in an organic Rankine cycle turbine by expanding a stream of solvent vapor produced by a flash drum in a deasphalting unit to produce a stream of expanded solvent vapor that is combined with a stream of solvent vapor and steam from a stripper of the deasphalting unit. Heat is extracted from the combined stream by an organic fluid that is vaporized and supplied to a Rankine cycle organic vapor turbine that produces power and expanded organic vapor. The solvent is recovered from the cooled, combined stream and re-used in the deasphalting unit. Heat extracted from products of the deasphalting unit vaporizes an organic fluid that is expanded in an organic vapor turbine that generates power.

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patent: 2527404 (1950-10-01), De Vault
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patent: 4784753 (1988-11-01), Hotier et al.
Avilino Sequeira, Lubricant Base Oil and Wax Processing, 1994, pp. 69-70, and title page of book, Marcel Dekker, Inc, New York, U.S.A. (no month).

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