Effect of variables on the quality of hematite precipitated from sulfate solutions

Hydrometallurgy

Volumn 89, Issue 1-2, 2007, Pages 32-39

  Ruiz, M C ^a   Zapata, J ^a   Padilla, R ^a  

^a UNIVERSITY OF CONCEPCIÓN   (Chile)

Author keywords

Ferrous sulfate; Hemitate precipitation; Particle size; Pressure oxidation; Sulfur impurity

Indexed keywords

HYDROMETALLURGY; OXIDATION; PARTIAL PRESSURE; PARTICLE SIZE; PARTICLE SIZE ANALYSIS; PRECIPITATES; SULFURIC ACID;

FERROUS SULFATE; HEMITATE PRECIPITATION; PRESSURE OXIDATION; SULFUR IMPURITY;

HEMATITE;

EID: 34548476788     PISSN: 0304386X     EISSN: None     Source Type: Journal    
DOI: 10.1016/j.hydromet.2007.05.003     Document Type: Article

References (13)

1. Brian P.L.T. Gas absorption accompanied by an irreversible reaction of general order. AIChE J., 10 1 (1964) 5-10
2. Chmielewski T., and Charewicz W.A. The oxidation of Fe(II) in aqueous sulfuric acid under oxygen pressure. Hydrometallurgy, 12 (1984) 21-30
3. Claassen J.O., and Sandenbergh R.F. Particle growth parameters in the precipitation of metastable iron phases from zinc-rich solutions. Hydrometallurgy, 84 (2006) 165-174
4. Dirksen J.A., and Ring T.A. Fundamentals of crystallization: kinetic effects on particle size distributions and morphology. Chem. Eng. Sci. 46 10 (1991) 2389-2427
5. Dreisinger D.B., and Peters E. The oxidation of ferrous sulphate by molecular oxygen under zinc pressure leach conditions. Hydrometallurgy, 22 (1989) 101-119
6. Gordon A.R., and Pickering R.W. Improved leaching technologies in the electrolytic zinc industry. Metall. Trans., B, 6B (1975) 43-53
7. Rönnholm M.R., Wärna J., Salmi T., Turunen I., and Luoma M. Kinetics of oxidation of ferrous sulfate with molecular oxygen. Chem. Eng. Sci., 54 (1999) 4223-4232
8. Swinkles G.M., and Berezowsky R.M. The Sherrit-Cominco Process-Part 1: The Process (1978), CIM Bulletin 105-121 February
9. Tozawa K., Sasaki K., and Umetzu Y. The effect of the second dissociation of sulfuric acid on hydrometallurgical processes: the electrical conductivity of sulfuric acid containing electrolytes and the hydrolysis of ferric sulfate solutions at elevated temperatures. In: Osseo-Asare K., and Miller J.D. (Eds). Hydrometallurgy Research Development and Plant Practice (1982), The Metallurgical Society of AIME, Warrendale, PA 375-389
10. Tozawa T., and Sasaki K. Effect of coexisting sulphates on precipitation of ferric oxide from ferric sulphate solutions at elevated temperatures. In: Dutrizac J.E., and Monhemius A.J. (Eds). Iron Control in Hydrometallurgy (1986), Ellis Horwood, Chichester, UK 455-476
11. Umetzu Y., Tozawa K., and Sasaki K. The hydrolysis of ferric sulfate solutions at elevated temperatures. Metall. Soc. of CIM, Annual Volume vol. 16, (1977) 111-117
12. von Röpenack A. Hematite-the solution to a disposal problem-an example from the zinc industry. In: Dutrizac J.E., and Monhemius A.J. (Eds). Iron Control in Hydrometallurgy (1986), Ellis Horwood, Chichester, UK 730-741
13. Vračar R.Z., and Kerović K.P. Kinetics of oxidation of Fe (II) ions by gaseous oxygen at high temperatures in an autoclave". Hydrometallurgy, 44 (1997) 113-124