Installation for separating a solvent from a mixture of solvent

Details Installation for separating a solvent from a mixture of solvent Installation for separating a solvent from a mixture of solvent

1987-06-04

1989-05-16

Bascomb, Wilbur

Distillation: apparatus

Apparatus

Systems

202177, 202186, 196 98, 196106, 196120, 196134, 203 24, 203 25, 203 73, 203 88, 203DIG2, 203DIG4, 208321, 208361, 208365, B01D 306, C10G 2128

Patent

active

048307114

ABSTRACT:
A method of and system for recovering a solvent from a mixture of solvent and hydrocarbons, the system comprising at least two evaporation flasks successively fed with a charge consisting of said mixture to be separated, at least one steam generator performing the condensation of the solvent, a circuit for conveying the evaporated solvent and connecting the flasks to the generator and a circuit of an intermediate fluid in gaseous phase including a compressor for raising the condensation temperature of this fluid, the latter circuit connecting the generator to heat exchangers arranged upstream of each flask.

REFERENCES:
patent: 2276089 (1942-03-01), Ragatz
patent: 3514375 (1970-05-01), Dambrine
patent: 3597328 (1971-08-01), Michels
patent: 3607668 (1971-09-01), Williamson
patent: 4177137 (1979-12-01), Kruse
patent: 4181577 (1980-01-01), Foley
patent: 4214975 (1980-07-01), Davis et al.
patent: 4390418 (1983-06-01), Sherman
patent: 4585524 (1986-04-01), Hoiss

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