CM-PATRA / record

A process for recovery of high purity uranium from fertilizer grade weak phosphoric acid

Publication

WO-2004087971-A1 on Google Patents

Filed / published / granted

2002-03-31 / 2004-10-14 / 2007-03-20

Offices

EP, DE, US, AT, WO

Applicants

Department of Atomic Energy (IN, government-rd); Singh Harvinderpal (IN, individual); Mishra Shyamkant Laxmidutt (IN, individual)

Minerals

Uranium / Thorium (atomic minerals), Potash / Strontium / Phosphate

Stages

Hydrometallurgy (leaching, solvent extraction)

CPC

C22B3/3846, C22B60/026, C22B60/0243, C22B60/0282

Abstract (first 170 chars)

A two-cycle countercurrent extraction process for recovery of highly pure uranium from fertilizer grade weak phosphoric acid. The proposed process uses selective extracti