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:
Mar. 04, 2008
Filed:
Mar. 20, 2003
Applicants:
Patcha Ramachandra Rao, Jamshedpur, IN;
Puvvada George Vijay Kumar, Jamshedpur, IN;
Archana Agrawal, Jamshedpur, IN;
Indranil Chattoraj, Jamshedpur, IN;
Inventors:
Patcha Ramachandra Rao, Jamshedpur, IN;
Puvvada George Vijay Kumar, Jamshedpur, IN;
Archana Agrawal, Jamshedpur, IN;
Indranil Chattoraj, Jamshedpur, IN;
Assignee:
Council of Scientific and Industrial Research, New Delhi, IN;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C25C 1/22 (2006.01); B01D 11/00 (2006.01);
U.S. Cl.
CPC ...
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 NaO, 80 g/L AlOand 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.