Abstract
A calorimetric method for determining the enthalpy of the aqueous oxidation of sulfide minerals at high temperatures and oxygen pressures has been developed and evaluated under conditions relevant to industrial pressure oxidation operations. This information is important for heat balance calculation and optimization of the pressure reactor design. Experiments were carried out on a differential scanning calorimeter (DSC) with a commercial mixing cell. Enthalpy measured during oxidative dissolution of pyrite (Valdenegrillos, Spain), pentlandite with pyrrhotite (Sudbury, Ontario, Canada) and impure chalcopyrite (Victoria, Australia) minerals at 150°C and partial oxygen pressures of 3.4 and 5.5 MPa have been performed and found to be consistent with theoretical estimations.
Similar content being viewed by others
References
Z. Xiao, Q. Chen, Z. Yin, H. Hu and P. Zhang, Thermochim. Acta, 416 (2004) 5.
W. Y. Gao, Y. W. Wang, L. M. Dong and Z. W. Yu, J. Therm. Anal. Cal., 85 (2006) 785.
P. N. Aukett and J. Bensted, J. Thermal Anal., 38 (1992) 701.
C. Mathonat, V. Hypek, V. Majer and J-P. E. Grolier, J. Solution Chem., 23 (1994).
D. Koschel, J.-Y. Coxam and V. Majer, Ind. Eng. Chem. Res., 46 (2007) 1421.
F. A. Lopez, M. C. Ramirez, J. A. Pons, A. Lopez-Delgado and F. J. Alguacil, J. Therm. Anal. Cal., 94 (2008) 517.
J.-F. Masson and S. Bundalo-Perc, J. Therm. Anal. Cal., 90 (2007) 639.
B. Chowdhury and S. C. Mojumdar, J. Therm. Anal. Cal., 81 (2005) 179.
P. Simon, E. Illekova and S. C. Mojumdar, J. Therm. Anal. Cal., 83 (2006) 67.
S. C. Mojumdar, M. Sain, R. Prasad, L. Sun and J. E. S. Venart, J. Therm. Anal. Cal., 90 (2007) 653.
S. Jingyan, L. Yuwen, L. Jie, W. Zhiyong and W. Cunxin, J. Therm. Anal. Cal., 90 (2007) 761.
L’. Krajši, I. Janotka, I. Kraus and P. Jamnicky, CERAMICS-Silikaty, 51 (2007) 217.
S. Y. Sawant, V. M. S. Verenkar and S. C. Mojumdar, J. Therm. Anal. Cal., 90 (2007) 669.
E. Jona, M. Sapietová, V. Pavlík, G. Rudinská, D. Ondrušová, M. Pajtášová and S. C. Mojumdar, Res. J. Chem. Environ., 11 (2007) 23.
V. A. Drebushchak and A. I. Turkin, J. Therm. Anal. Cal., 90 (2007) 795.
I. Janotka and L’. Krajši, CERAMICS-Silikaty, 39 (1995) 105.
M. Dovál’, M. Palou and S. C. Mojumdar, J. Therm. Anal. Cal., 86 (2006) 595.
S. C. Mojumdar and L. Raki, J. Therm. Anal. Cal., 85 (2006) 99.
G. Vourlias, N. Pistofidis, K. Chrissafis and G. Stergioudis, J. Therm. Anal. Cal., 90 (2007) 769.
S. C. Mojumdar, K. Mazanec and M. Drabik, J. Therm. Anal. Cal., 83 (2006) 135.
G. Vourlias, N. Pistofidis, E. Pavlidou and K. Chrissafis, J. Therm. Anal. Cal., 90 (2007) 777.
S. C. Mojumdar and L. Raki, J. Therm. Anal. Cal., 82 (2005) 89.
V. P. Nesterenko, J. Therm. Anal. Cal., 80 (2005) 575.
D. G. Archer, J. Phys. Chem. Ref. Data, 28 (1999) 1.
Z. H. Zhang, Z. J. Ku, H. R. Li, Y. Liu and S. S. Qu, J. Therm. Anal. Cal., 79 (2005) 169.
V. B. Parker, Thermal Properties of Uni-Univalent Electrolytes, Natl. Stand. Ref. Data Series - Natl. Bur. Stand. (U.S.) 2 (1965) in Handbook of Chemistry and Physics, David R. Lide Editor-in-Chief, 79th Ed., 1998–1999, pp. 5–103.
L. Cemic and O. J. Kleppa, Phys. Chem. Miner., 14 (1987) 52.
D. G. E. Kerfoot, E. Krause, B. J. Love and A. Singhal, Hydrometallurgical process for the recovery of nickel and cobalt values from a sulfidic flotation concentrate, US Patent, Patent US 6,428,604 B1, Aug. 6 (2002).
M. A. Williamson and J. D. Rimstidt, Geochim. Cosmochim. Acta, 58 (1994) 5443.
D. L. Jones, Process for extraction of metal from an ore or concentrate containing nickel and/or cobalt, US Patent 6171564, Jan. 9 (2001).
C. F. Baes and J. R. E. Mesmer, The hydrolysis of cations. John Wiley and Sons, 1986.
E. C. Todd, D. M. Sherman and J. A. Purton, Geochim. Cosmochim. Acta, 67 (2003) 2137.
R. P. Hackl, D. B. Dreisinger, E. Peters and J. A. King, Hydrometallurgy, 39 (1995) 25.
Author information
Authors and Affiliations
Corresponding author
Rights and permissions
About this article
Cite this article
Bylina, I., Trevani, L., Mojumdar, S.C. et al. Measurement of reaction enthalpy during pressure oxidation of sulphide minerals. J Therm Anal Calorim 96, 117–124 (2009). https://doi.org/10.1007/s10973-008-9883-4
Published:
Issue Date:
DOI: https://doi.org/10.1007/s10973-008-9883-4