US Patent 7101524 Process for purifying sand

Patent 7101524 was granted and assigned to GE Betz on September, 2006 by the United States Patent and Trademark Office.

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Patent Number

Patent Inventor Names

Terrence P. Small0

Date of Patent

September 5, 2006

Patent Application Number

10223196

Date Filed

August 19, 2002

Patent Primary Examiner

Patent abstract

A process for removing iron impurities from sand by treatment of an aqueous slurry of the sand with a chelating agent for iron cations.

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