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. 22, 1997
Filed:
Sep. 14, 1994
Applicant:
Inventor:
Darrell L Gallup, Chino Hills, CA (US);
Assignee:
Union Oil Company of California, El Segundo, CA (US);
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
C02F / ;
U.S. Cl.
CPC ...
210669 ; 210685 ;
Abstract
The emissions of nitrogen dioxide and ammonia from cooling towers in geothermal power plants are controlled by contacting the steam condensate used as make-up water for the cooling tower with a zeolite or other molecular sieve to remove ammonia and/or ammonium ions from the condensate before it is passed into the cooling tower.