ELECTROCHEMICAL PRODUCTION OF MNO2 FROM PYROLUSITE WITH REDUCTIVE LEACHING PROCESS

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BORHANY SH.; HEIDARI H.R.; TAGHIKHANI VAHID

مرکز اطلاعات علمی Scientific Information Database (SID) - Trusted Source for Research and Academic Resources

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Paper Information

Journal: AMIRKABIR Year:2005 | Volume:16 | Issue:61-D Page(s): 41-46

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Title

ELECTROCHEMICAL PRODUCTION OF MNO2 FROM PYROLUSITE WITH REDUCTIVE LEACHING PROCESS

Author(s)

BORHANY SH. | HEIDARI H.R. | TAGHIKHANI VAHID | Issue Writer Certificate

Keywords

REDUCTIVE LEACHINGQ4

MNO2 LEACHINGQ4

PYROLUSITEQ4

Abstract

Electrochemical Production of Mn02 from PYROLUSITE has been investigated. In contrast to the conventional method, the reduction of PYROLUSITE to MnO and then acid leaching of Mn(II) is carried out directly in one step using Fe2+ as a rdducing agent in sulfuric acid medium. This method was named REDUCTIVE LEACHING. In order to recover more Mn (H) from the ore, the solid residue of leaching process was ground to increase the surface area of particles and the leaching was repeated the total Mn recovered from both steps have been 98% After leaching the MnSO4 solution was purified by controlling the pH and precititation of ions other than Fe2+ as sulfides. γ-MnO2 was produced by electrolysis of acidic solution of MnSO4 with optimizing experimental condition.

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APA: Copy

BORHANY, SH., HEIDARI, H.R., & TAGHIKHANI, VAHID. (2005). ELECTROCHEMICAL PRODUCTION OF MNO2 FROM PYROLUSITE WITH REDUCTIVE LEACHING PROCESS. AMIRKABIR, 16(61-D), 41-46. SID. https://sid.ir/paper/966/en

Vancouver: Copy

BORHANY SH., HEIDARI H.R., TAGHIKHANI VAHID. ELECTROCHEMICAL PRODUCTION OF MNO2 FROM PYROLUSITE WITH REDUCTIVE LEACHING PROCESS. AMIRKABIR[Internet]. 2005;16(61-D):41-46. Available from: https://sid.ir/paper/966/en

IEEE: Copy

SH. BORHANY, H.R. HEIDARI, and VAHID TAGHIKHANI, “ELECTROCHEMICAL PRODUCTION OF MNO2 FROM PYROLUSITE WITH REDUCTIVE LEACHING PROCESS,” AMIRKABIR, vol. 16, no. 61-D, pp. 41–46, 2005, [Online]. Available: https://sid.ir/paper/966/en

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