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:
Nov. 19, 1985
Filed:
Mar. 07, 1983
Applicant:
Inventor:
Patrick Rooney, Bartlesville, OK (US);
Assignee:
Phillips Petroleum Company, Bartlesville, OK (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B01D / ; B01D / ; C10G / ;
U.S. Cl.
CPC ...
203 89 ; 203 91 ; 2021 / ; 202205 ; 202236 ; 159 49 ; 159-61 ; 159D / ; 208 45 ; 208321 ;
Abstract
Method and apparatus for recovering a solvent from a mixture containing the solvent is disclosed. In certain aspects, a portion of the recovered liquid is recycled and used in the evaporative process, such as for the seal liquid in a liquid ring vacuum pump. In another aspect, the initial separation is achieved in a thin film evaporator operating under partial vacuum from the liquid ring vacuum pump.