摘要 |
Abstract A method of recovering uranium wherein a siliceous pulp is leached with sulphuric acid at a pH <2, the pH of the resulting pulp is increased to pH 3,5, and uranium is then extracted using ion exchange techniques. SILICEOUS ORE -10 H2SO LEACH - 12 PLS -16 INCREASE -18 pH>3.0 RIP CIRCUIT - 20 WASTE U,30a |