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:
Aug. 16, 1988
Filed:
Jun. 26, 1986
Applicant:
Inventors:
Charles K Bon, Concord, CA (US);
Vera M Knowles, Martinez, CA (US);
Assignee:
The Dow Chemical Company, Midland, MI (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C02F / ; C02F / ;
U.S. Cl.
CPC ...
210757 ; 210763 ; 210766 ;
Abstract
The present invention relates to a method of catalytically decomposing sodium hypochlorite in an aqueous alkaline solution to oxygen and chloride ion. Specifically, the present invention discloses a method of decomposing aqueous hypochlorite into oxygen and chloride in a solution having a pH value greater than 13 using a solid catalyst comprising nickel oxide, cobalt oxide or mixtures thereof on an inorganic support selected from magnesium oxide or titanium oxide. The resulting sodium chloride solution may be recovered and used further.