REFERENCES
- Majima, H., How oxidation affects selective flotation of complex sulphide ores, Can. Metall. Q., 8 (3), 269–273 (1969).
- A. Ortega, and A. Bonilla, Flotación de sulfuros complejos de matriz piritica. Estudio de posibilidades de tratamiento de sus con-centrados, Anales del III Congreso Nacional de Metalurgia, San-tiago de Chile, III(B), 280-295 (1983).
- J. M. Demarthe and A. Georgeaux, Hydrometallurgical treatment of complexsulphides, Complex Metalurgy '78, Int. Min. Metall, London, 113-120 (1978).
- J. M. Demarthe, L. Gandon and A. Georgeaux, A New Hyd-rometallurgical Process for Copper, J. C. Yannopoulos and J. C. Agarwal (Eds), Proc. Conf. AIME, Las Vegas, 2, AIME, New York, 825-848 (1976).
- J. L. Limpo, J. M. Figueiredo, S. Amer and A. Luis, Method for recovery of zinc, copper and lead of oxidized and/or sulfurized ores and materials, European Patent. Application number: 90917904.6 (1990). Patente Espanola 8902487 (1989).
- J. Monhemius, Hydrometallurgical processing of complex materials, Chemistry and Industry, June, 410-420 (1981).
- G. J. Olson and R. M. Kelly, Microbiological metal trans-formations: biotechnological applications and potential, Bio-technology Progress, 2 (1), 1-15 (1986); Materials Society, 3-26 (1991).
- D. S. Holmes, Biotechnology in the mining and metal processing industries: challenges and opportunities, Minerals and Met-allurgical Processing, May, 49-56 (1988).
- R. W. Smith and M. Mishra, Mineral bioprocessing, an overview, Mineral Bioprocessing, R. W. Smith and M. Mishra (eds), The Minerals, Metals Materials Society, 3-26 (1991).
- B. S. V. Yedavalli, Economic viability and bacterial leaching. A management research viewpoint, N.M.L. Technical Journal, 15,28–31(1973).
- R. W. Lawrence and A. Bruynesteyn, Biological pre-oxidation to enhance gold and silver recovery from refractory pyritic ores and concentrates, CIM Bulletin, 107-110 (1983).
- E. B. Lindstrom, E. Gunneriusson and O. H. Touvinen, Bacterial oxidation of refractory sulfide ores for gold recovery, Critical Reviews in Biotechnology, 12(1/2), 133-155 (1992).
- Y. A. Attia and E. Zeky, Bioleaching of gold pyrite tailings with adapted bacteria, Hydrometallurgy, 22,291–300 (1989).
- S. R. Hutchins, J. A. Brierley and C. L. Brierley, Microbial pre-treatment of refractory sulfide and carbonaceus ores improves the economics of recovery, Mining Engineering, 40 (4), 249-254 (1988).
- J. L. Limpo, A. Luis and C. Gomez, Reacciones y mecanismos de ataque de sulfuros metilicos en soluciones concentradas de cloruro anionic°. Congresod Nacional de Ciencia y Tecnologia Metal-4rgicas. Asamblea General del C.E.N.I.M., Madrid (1990).
- A. E. Torma, K. N. Subramanian, Selective bacterial leaching of a lead sulphide concentrate, Int. J. Mineral Processing, 1, 125–134 (1974).
- N. Tomizuka, Microbiological oxidation of a lead sulphide, Report of the Fermentation Research Institute, 48,51–66 (1976).
- K. Natarajan and I. Iwasaki, Microbe-mineral interactions in leach-ing of complex sulfides, Microbiological Effects on Metallurgical Processes. J. Clum y L. Haas (eds.). T.M.S., Warrendale, EEUU, 1-13 (1986).
- J. L. Limpo, J. M. Figueiredo, S. Amer and A. Luis, The CENIM-LNETIä process: a new process for the hydrometallurgical treat-ment of complex sulphides in ammonium chloride solutions, Hyd-rometallurgy, 28,149–161 (1992).
- J. L. Limpo, A. Luis and C. Gomez, Reactions during the oxygen leaching of metallic sulphides in the CENIM-LNETI process, Hydrometallurgy, 28,163–178 (1992).
- J. L. Limpo and A. Luis, Solubility of zinc chloride in ammoniacal ammonium chloride solutions, Hydrometallurgy, 32, 247–260 (1993).
- J. L. Limpo, A. Luis and M. C. Cristina, Solubility of cupric chloride in ammoniacal ammonium chloride solutions, Rev. Metal. Madrid., 29,27–36 (1993).
- J. L. Limpo, A. Luis and M. C. Cristina, Hydrolysis of cupric chloride in ammoniacal ammonium chloride solutions, Rev. Metal. Madrid., 31,150–155 (1995).
- N. Lazaroff, W. Sigal and A. Wasserman, Iron oxidations and precipitation of ferric hydroxysulfates by resting Thiobacillus fer-roxidans cells, Applied and Environmental Microbiology, 924-938 (1982).
- K. C. Ivarson, Microbiological formation of basic ferric sulfates, Canadian Journal of Soil Science, 53,315–323 (1973).
- J. M. Campa-Vifieta, M. Pozo, I. De Siloniz and R. Coy-Y11, Estudio del medio de precipitaci6n y los residuos del Thiobacillus ferroxidans en relación con la sintesis de jarosita, Revista de Materiales de Procesos Geológico, 7, 11–26 (1984).
- M. P. Silverman and D. G. Lundgren, Studies on the chemo-autotrophic iron bacterium ferrobacillus ferrooxidans I. An im-proved medium and a harvesting procedure for securing high cell yields, Journal of Bacteriology, 77, 642–646 (1959).
- C. Gomez, Biolixiviación con cultivos mesalos de concentrados globales de sulfuros complejos en presencia de iones catalizadores, Doctoral Thesis, Facultad de Ciencias Quimicas, Universidad Complutense de Madrid, Spain (1993).