US Patent 7144514 Cyanide and formate destruction with ultra violet light

Patent 7144514 was granted and assigned to Texaco on December, 2006 by the United States Patent and Trademark Office.

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Is a

Patent

Patent attributes

Current Assignee

Texaco

Patent Jurisdiction

United States Patent and Trademark Office

Patent Number

7144514

Patent Inventor Names

Dinh-Cuong Vuong0

Byron Von Klock0

Date of Patent

December 5, 2006

Patent Application Number

10237430

Date Filed

September 9, 2002

Patent Primary Examiner

‌

Frank M Lawrence, Jr.

Patent abstract

A method for substantially reducing cyanide and formate concentrations in gasification wastewater streams comprising first removing suspended solids from the wastewater stream, then adding sufficient hydrogen peroxide to completely oxidize contained cyanide ions and formate ions to form a feed solution, and then irradiating the resultant solution with sufficient UV light so as to substantially reduce said contained cyanide ions and formate ions.