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reduction roasting method for manganese ore in nigeria

Nov 01 2019 · The experimental validation for reduction roasting and H 2 SO 4 leaching revealed that 982 of the extracted Mn was obtained when the mixture Fe–P MnO 2 ore 5100 mm was roasted at 500 °C for 5 h and the leaching process was performed using 2molL H 2 SO 4 at 70 °C for 30 min with a liquidtosolid ratio of 10 and a stirring rate of 200 rpm The proposed method can be used to ...As a leading global manufacturer of crushing equipment, milling equipment,dressing equipment,drying equipment and briquette equipment etc. we offer advanced, rational solutions for any size-reduction requirements, including quarry, aggregate, grinding production and complete plant plan.

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