US Patent 7338589 Process for recovery of gallium

Patent 7338589 was granted and assigned to Council of Scientific and Industrial Research on March, 2008 by the United States Patent and Trademark Office.

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Patent

Patent attributes

Current Assignee

‌

Council of Scientific and Industrial Research

Patent Jurisdiction

United States Patent and Trademark Office

Patent Number

73385890

Patent Inventor Names

Patcha Ramachandra Rao0

Puvvada George Vijay Kumar0

Archana Agrawal0

Indranil Chattoraj0

Date of Patent

March 4, 2008

Patent Application Number

103932970

Date Filed

March 20, 2003

Patent Primary Examiner

‌

Steven Bos

Patent abstract

The present invention relates to a process for the recovery of gallium from Bayer process liquors. Bayer process liquor is obtained from alumina industries and contains 450 g/L Na2O, 80 g/L Al2O3 and 190±20 ppm of gallium. The present invention utilizes an organic and inorganic phase for a two stage separation process to recover gallium with high purity.

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