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:
Apr. 03, 1990
Filed:
Feb. 10, 1989
Applicant:
Inventors:
Jaswant Singh, Forton, GB;
John W Stairmand, Blackpool, GB;
Assignee:
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C02F / ;
U.S. Cl.
CPC ...
210255 ; 210258 ; 210322 ; 2105122 ; 210787 ; 137809 ; 137566 ;
Abstract
In apparatus for mixing and then separating different flow streams, such as solvent extraction apparatus, a cascade of contactors and jet pumps are arranged in counter-current flow mode. The same one flow stream is applied to the drive port of each jet pump in the cascade and the other flow stream is applied to the suction port of each jet pump in the cascade. The jet pumps in the cascade increase in size from a high pressure to a low pressure end of the cascade so that the suction pressure required at successive jet pumps is reduced.