Aqueous reduction of cobalto-cobaltic oxides in ammoniacal medium using ammonium sulphite as the reductant

Hydrometallurgy

Volumn 58, Issue 3, 2000, Pages 193-202

  Mohapatra, M ^a   Mishra, D ^a   Anand, S ^a   Das, R P ^a  

^a CSIR INSTITUTE OF MINERALS AND MATERIALS TECHNOLOGY   (India)

Author keywords

[No Author keywords available]

Indexed keywords

AMMONIUM COMPOUNDS; COBALT COMPOUNDS; DIFFERENTIAL THERMAL ANALYSIS; DISSOLUTION; FOURIER TRANSFORM INFRARED SPECTROSCOPY; LEACHING; REACTION KINETICS; REDUCTION; THERMOGRAVIMETRIC ANALYSIS; X RAY DIFFRACTION ANALYSIS;

AMMONIUM SULPHITE; AQUEOUS REDUCTION; COBALTO-COBALTIC OXIDE; REDUCTANTS;

EXTRACTIVE METALLURGY;

EID: 0034563572     PISSN: 0304386X     EISSN: None     Source Type: Journal    
DOI: 10.1016/S0304-386X(00)00124-9     Document Type: Article

References (20)

1. Fuerstenau D.W., Han K.N. Glasby G.P. Extractive Metallurgy in Marine Manganese Deposits. 1977;375-390 Elsevier.
2. Fuerstenau D.W., Han K.N. Metallurgy and processing of marine manganese nodules. Miner. Process. Technol. Rev. 1:1983;1-83.
3. Vu C., Han K.N., Lawson F. Leaching behaviour of cobalto and cobaltic oxides in ammonia and in acid solutions. Hydrometallurgy. 6:1980;75-87.
4. Hubli C., Mittra J., Suri A.K. Reduction-dissolution of cobalt oxide in acid media: a kinetic study. Hydrometallurgy. 44:1997;125-134.
5. Szekers L. Analytical chemistry of sulphur acids. Talanta Rev. 23:1974;1-44.
6. A.I. Vogel, A Text book of Quantitative Inorganic Analysis, English Language Book Society and Longmans Green Publishers, London.
7. Joint Committee on Powder Diffraction Standard (JCPDS), International Center For Diffraction Data, P.A. Swathmore, File No. 9-418.
8. Morral F.R. Corrosion of cobalt and cobalt alloys. Corros. NACE. 25(7):1969;307-322.
9. Wood G.C., Wright I.G., Ferguson J.M. The oxidation of nickel and cobalt and of nickel/cobalt alloys at high temperatures. Corros. Sci. 5:1965;645-661.
10. Mellor J.W. A Comprehensive Treatise on Inorganic and Theoretical Chemistry. vol. XIV:1964;579,302-579,324.
11. P.K. Das, Studies on the oxidation of sulphur dioxide in ammoniacal medium using gaseous and solid oxidants, PhD thesis, 1997, Utkal University, India.
12. 2 system. Int. J. Miner. Process. 43:1995;99-111.
13. 2 system. Int. J. Miner. Process. 43:1997;77-86.
14. Papazian H.A., Pizzolato P.Z., Patrick J.A. J. Am. Ceram. Soc. 54:1971;250-254.
15. Papazian H.A., Pizzolato P.Z., Peng J. Observation on the thermal decomposition of some dithionates and sulphites. Thermochem. Acta. 5:1972;147-152.
16. 6. Thermochem. Acta. 41:1980;291-296.
17. Paulik F., Paulik J. Investigation under quasi-isothermal and quasi-isobaric conditions by means of derivatograph. J. Thermal Anal. 5:1973;253-270.
18. 3). Inorg. Chem. 9:1970;459-464.
19. Palmer W.G. The vibrational spectra and structures of dithionate, hypophospates and related ions. J. Chem. Soc. 1961;1552-1562.
20. Muller A., Chirstophliemk P., Tossidis I. J. Mol. Struct. 15:1973;289.