2012•Uranium Mining and MetallurgyRequires access

Experiment research on acid heap leaching of a uranium ore

Tang Baobin

Abstract

According to the ore characteristics of a uranium deposit in Gansu province and the laboratory results,the expanding leaching test are carried out for the uranium ore.The results show that at the conditions of particle size of-10 mm,dosages of pyrolusite and sulfuric acid of 3% and 4.5% respectively(w/w),uranium content in the leaching slag dropped to less than 0.01%,and leaching rate reached to 84% or more.The uranium ore is suitable for heap leaching.

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Key concepts: Heap leaching, Uranium, Leaching (pedology), Uranium ore, Pyrolusite, Metallurgy, Sulfuric acid, Lixiviant