The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
May. 16, 1989
Filed:
Jun. 04, 1987
Applicant:
Inventors:
Patricia Delbourgo, Saint Cloud, FR;
Michel Coupard, Feucherolles, FR;
Jean-Jacques Delorme, Saint L'Honore, FR;
Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B01D / ; C10G / ;
U.S. Cl.
CPC ...
202173 ; 202177 ; 202186 ; 196 98 ; 196106 ; 196120 ; 196134 ; 203 24 ; 203 25 ; 203 73 ; 203 88 ; 203D / ; 203D / ; 208321 ; 208361 ; 208365 ;
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.