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. 21, 1985
Filed:
May. 09, 1983
Applicant:
Inventors:
Git B Lim, Calgary, CA;
A Riza Konak, Calgary, CA;
Assignee:
Exxon Production Research Co., Houston, TX (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C02F / ; C02F / ;
U.S. Cl.
CPC ...
210712 ; 166303 ; 203 11 ; 210737 ; 210794 ;
Abstract
A process for heating and softening of hard water by direct heat exchange with steam. The steam is directly sparged into the hard water within a reaction zone and condensed in the water under a pressure sufficient to prevent boiling at the reaction zone temperature. The heated water is then withdrawn from the reaction zone without substantial vaporization of water and filtered to remove scale precipitates resulting from the heating step. At least a portion of the softened water may be heated to generate wet steam which is then recirculated to the reaction zone and sparged into the hard water therein.