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Browsing by Author "Madhuchhanda, M."

Browsing by Author "Madhuchhanda, M."

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  • Galvanic interaction between sulfide minerals and pyrolusite 
    Madhuchhanda, M.; Devi, N.B.; Rao, K.S.; Rath, P.C.; Paramguru, R.K. (Journal Of Solid State Electrochemistry, 4(4), 2000: 189-198)
    Galvanic interaction between manganese dioxide and sulfide mineral (FeS2, CuFeS2, ZnS and PbS) galvanic couples were investigated through polarization measurements and leaching studies. The sulfide minerals, being less ...
  • Leaching of deep-sea manganese nodule and base metal sulfide minerals in hydrochloric acid 
    Madhuchhanda, M.; Devi, N.B.; Rao, K.S.; Rath, P.C.; Paramguru, R.K. (Transactions Of The Indian Institute Of Metals, 53(1-2), 2000: 71-77)
    Leaching of manganese nodule in the presence of chalcopyrite. sphalerite and galena individually was studied in HCl medium. When leached together, dissolution of metal values from the nodule as well as each of the base ...
  • Leaching of manganese nodule in hydrochloric acid in presence of sphalerite 
    Madhuchhanda, M.; Devi, N.B.; Rath, P.C.; Rao, K.S.; Paramguru, R.K. (Canadian Metallurgical Quarterly, 42(1), 2003: 49-59)
    This paper reports the results of hydrochloric acid leaching of manganese nodule and sphalerite in combination. Combined leaching was observed to be more effective than the individual leaching of either sphalerite or nodule. ...
  • Oxidation of chalcopyrite in the presence of manganese dioxide in hydrochloric acid medium 
    Devi, N.B.; Madhuchhanda, M.; Rao, K.S.; Rath, P.C.; Paramguru, R.K. (Hydrometallurgy, 57(1), 2000: 57-76)
    Dissolution of chalcopyrite in hydrochloric acid medium in the presence of manganese dioxide (manganese ore containing pyrolusite) was studied at different temperatures, acid concentrations and mineral proportions. ...
  • Oxidation of sphalerite in hydrochloric acid medium in the presence of manganese dioxide 
    Madhuchhanda, M.; Devi, N.B.; Rao, K.S.; Rath, P.C.; Paramguru, R.K. (Transactions Of The Institution Of Mining And Metallurgy Section C-Mineral Processing And Extractive Metallurgy, 109, 2000: C150-C155)
  • Simultaneous leaching of a deep-sea manganese nodule and chalcopyrite in hydrochloric acid 
    Devi, N.B.; Madhuchhanda, M.; Rath, P.C.; Rao, K.S.; Paramguru, R.K. (Metallurgical And Materials Transactions B-Process Metallurgy And Materials Processing Science, 32(5), 2001: 777-784)
    Hydrochloric acid leaching of chalcopyrite and a manganese nodule, in combination, was studied using powder samples. Chalcopyrite, which does not dissolve well in HCl, was effectively leached in the presence of a manganese ...

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