Chemical modeling of calcium sulphate solubility in hydrometallurgical process solutions

2006 TMS Fall Extraction and Processing Division: Sohn International Symposium

Volumn 3, Issue , 2006, Pages 419-426

  Azimi, G ^a   Adams, J F ^a   Jones, M ^a   Liu, H ^a   Papangelakis, V G ^a  

^a UNIVERSITY OF TORONTO   (Canada)

Author keywords

Chemical modeling; Gypsum; Hydrometallurgical process; OLI; Solubility

Indexed keywords

ELECTROLYTES; GYPSUM; HYDROMETALLURGY; MATHEMATICAL MODELS; PRECIPITATION (CHEMICAL); SOLUBILITY; THERMODYNAMICS;

CALCIUM SULPHATE; CHEMICAL MODELS; MIXED SOLVENT ELECTROLYTE (MSE); NEUTRALIZATION; SCALING PROBLEMS;

CALCIUM COMPOUNDS;

EID: 33846105478     PISSN: None     EISSN: None     Source Type: Conference Proceeding    
DOI: None     Document Type: Conference Paper

References (20)

1. J.F. Adams, "Gypsum Scale Formation and Control during Continuous Sulphuric Acid Neutralization", Ph.D. thesis, University of Toronto, Toronto, 2004.
2. A. Seidell and W.F. Linke, "Solubilities: Inorganic and Metal-Organic Compounds; a compilation of solubility data from the periodical, v1-2", American Chemical Society, Washington, 1958.
3. G.A. Hulett and L.E. Allen, "The Solubility of Gypsum", Journal of the American Chemical Society, 24(1902), 667-679.
4. W. Marshall and E. Jones, "Second Dissociation Constant of Sulfuric Acid from 25 to 350° Evaluated from Solubilities of Calcium Sulfate in Sulfuric Acid Solutions". Journal of Physical Chemistry, 1966, 70, 4028-4040.
5. W.L. Marshall and R. Slusher, R. "Thermodynamics of Calcium Sulfate Dihydrate in Aqueous Sodium Chloride Solutions". Journal of Physical Chemistry, 1966, 70(12), 4015-4027.
6. K.K. Tanji, "Solubility of Gypsum in Aqueous Electrolytes as Affected by Ion Association and Ionic Strengths up to 0.15M and at 25°C". Environmental Science and Technology, 1969, 3(7), 656-661.
7. M.S. Adler, J. Glater, and J.W. McCutchan, "Prediction of Gypsum Solubility and Scaling Limits in Saline Waters", Journal of Chemical and Engineering Data, 1979, 24(3), 187-192.
8. A. Arslan and G.R. Dutt, "Solubility of Gypsum and Its Prediction in Aqueous Solutions of Mixed Electrolytes". Soil Science, 155(1)(1993), 37-47.
9. 2O System to High Concentration and Temperature". Geochimica et Cosmoschimica Acta, 2004, 68, 3717-3739.
10. J. Dutrizac, "Calcium Sulfate Solubilities in Simulated Zinc Processing Solutions". Hydrometallurgy, 2002, 65, 109-135.
11. 2O", Transactions of the Faraday Society, 1932, 28, 657-661.
12. -1 Sulfuric Acid Solutions at 100°C, J. Chem. Eng. Data, 2004, 49, 1263-1268.
13. A. Hill and N. Yanick, "Ternary Systems. XX. Calcium Sulfate, Ammonium Sulfate and Water", Journal of the American Chemical Society, 1935, 57, 645-651.
14. 4 in Solutions of Zinc, Magnesium, Copper and Cobalt Sulfates over a Temperature Range of 25 to 200°C". Journal of Mining and Metallurgy of Japan, 1989, 6, 13-22.
15. 4 in Acidic Zinc Sulfate Solutions over a Terperature Range of 25 to 60°C". Bulletin of the Research Institute of Mineral Dressing and Metallurgy, 1988, 44, 57-68.
16. V. M. Zatonskaya, N.A. Volkova, S.V. Krashenina, A.I. Samoilenko and N. F. Burtseva, "Solubility of Gypsum in Zinc Sulfate Solutions", Tsvetnye Metally/Non-ferrous Metals, 1988, 29(2), 25-26.
17. P. Wang, A. Anderko, and R.D Young, "A Speciation-based Model for Mixed-solvent Electrolyte Systems". Fluid Phase Equilibrium, 2002, 203, 141-176.
18. P. Wang, A. Anderko, A., R.D. Springer, and R.D. Young, "Modeling Phase Equilibria and Speciation in Mixed-solvent Electrolyte Systems: II. Liquid-liquid Equilibria and Properties of Associating electrolyte solutions", Journal of Molecular Liquids, 2006, 125, 37-44.
19. H. Liu and V.G. Papangelakis, "Solubility of Pb(II) and Ni(II) in Mixed Sulfate and Chloride Solutions with the Mixed Solvent Electrolyte Model", Industrial & Engineering Chemistry Research, 2006, 45, 39-47.
20. H. Liu, V.G. Papangelakis, and J.F. Adams, "Chemical Modelling in Hydrometallurgy Using OLI", International Conference on Computational Analysis in Hydrometallurgy, 35th Annual Hydrometallurgical Meeting, Calgary, 2005, 275-293.