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:
Jul. 17, 1984
Filed:
Jan. 05, 1981
Applicant:
Inventor:
Daniel J Curtin, Danville, CA (US);
Assignee:
Atlantic Richfield Company, Los Angeles, CA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B01D / ; B01D / ;
U.S. Cl.
CPC ...
210640 ; 210259 ;
Abstract
A method and system for desalination of water by so called membrane distillation, wherein saline water is evaporated through the pores of a membrane whose proper operation requires that it not be wetted by either the distilland or distillate. Therefore, liquid intrusion into the pores of the membrane through which the distillate passes must be prevented by the surface tension of the liquid. Surfactants normally found in the saline feed water which have been found to cause liquid intrusion into the pores of the membrane are removed immediately prior to the distillation step by physical or chemical means such as adsorption by activated charcoal.