Abstract
This paper presents the results of laboratory scale experiments carried out at CVRD Centre of Technology on the sulphation of Carajás manganese ore using the classical method of pyrometallurgical reduction/ leaching with sulphuric acid. In addition, the removal from impurities of the resulting manganese sulphate solutions was studied by means of jarosite and sulphide precipitation. The results obtained provide preliminary data for the utilization of Carajás ore by the chemical industry, and indicate that this ore is a suitable raw material for the manufacture of manganous sulphate and other manganese containing compounds.
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