Experimental Study on Acid Leaching of a Copper-cobalt Ore in Congo(Kinshasa)
This study mainly use a copper-cobalt ore pulp as raw material to carry out sulfuric acid reduction leaching.The results showed that water the grinding fineness of 70%-0.074 mm,the end point pH of 1.7,the leaching temperature of 50℃,and the leaching time of 4 h,the amount of Na2 SO3 of 1.5 times of the theoretical amount,and the liquid-solid ratio of 4∶1,the leaching rates of copper and cobalt reached 95.61%and 82.34%respectively.Provide reference for subsequent industrial production.
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