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Up-gradation of MoO3 and separation of copper, iron, zinc from roasted molybdenum ore by a leaching process

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Author(s): Jin-Young Lee | Jyothi Rajesh Kumar | Ho-Seok Jeon | Joon-Soo Kim

Journal: Brazilian Journal of Chemical Engineering
ISSN 0104-6632

Volume: 30;
Issue: 2;
Start page: 391;
Date: 2013;
Original page

Keywords: Molybdenum | Up-gradation | Leaching process | Separation

ABSTRACT
The present research paper deals with the oxidation process of molybdenum ore. The main target of the present study is the up-gradation of MoO3 from roasted molybdenum ore by a leaching process without waste generation. The most important application of hydrometallurgical processing is the leaching process of the ore and it is the primary process to make pure metal from ore. The present investigations optimize the following experimental parameters to improve the concentration of MoO3 as well as the separation of copper, iron and zinc in roasted molybdenum ore: effect of acid concentration, temperature, pulp density and leaching time were studied systematically. The temperature study was carried out at 550-595 ºC for the oxidation process. The XRD result shows that oxidation process of molybdenum ore and SEM pictures were taken for particles before and after the oxidation process at 585 ºC for 360 min.
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