Phase transformation relationships in the CaSO4-H 2so4-H2O system

TMS Annual Meeting

Volumn , Issue , 2004, Pages 477-487

  Ling, Yuanbing ^a   Demopoulos, George P ^a  

^a MCGILL UNIVERSITY   (Canada)

Author keywords

Calcium sulfate; Phase transformations; Sulfurie acid; Thermodynamic analysis

Indexed keywords

BOILING LIQUIDS; COST EFFECTIVENESS; PHASE TRANSITIONS; SOLUTIONS; SULFURIC ACID; TEMPERATURE DISTRIBUTION; THERMODYNAMIC PROPERTIES; WATER;

CALCIUM SULFATE; ELEVATED PRESSURES; THERMODYNAMIC ANALYSIS;

CALCIUM COMPOUNDS;

EID: 23244437607     PISSN: None     EISSN: None     Source Type: Conference Proceeding    
DOI: None     Document Type: Conference Paper

References (30)

1. 2O," Tonindustrie-Zeitung und Keramische Rundschau, 91(1) (1967), 6-12 (in German).
2. W. Abriel, K. Reisdorf and J. Pannetier, "Dehydration Reactions of Gypsum: A Neutron and X-Ray Diffraction Study," J. Solid State Chem., 85(1) (1990), 23-30.
3. Y. Kojima, K. Shibano and T. Yasue, "Wet Synthesis of α-Gypsum Hemihydrate from II-Anhydrite under Atmospheric Pressure," Muki Materiaru, 2(255) (1995), 84-93 (in Japanese).
4. R.J. Hand, "Calcium Sulphate Hydrates: A Review," British Ceramic Transactions, 96(3) (1997), 116-120.
5. 2O," Acta Crystallographica, Section B: Structural Crystallography and Crystal Chemistry, B38(4) (1982), 1074-1077.
6. A. Kirfel and G. Will, "Charge Density in Anhydrite, Calcium Sulfate, from X-Ray and Neutron Diffraction Measurements," Acta Crystallographica, Section B: Structural Crystallography and Crystal Chemistry, B36(12) (1980), 2881-2890.
7. W.A. Deer, R.A. Howie, and J. Zussnman, Gypsum, Rock Forming Minerals (New York, NY: Wiley, 1962), 202-218.
8. Deer, W. A., Howie, R.A. and Zussnman, J., Gypsum, Rock Forming Minerals (New York, NY: Wiley, 1992), 612-619.
9. th ed., (New York, NY: John Wiley & Sons Inc., 1998), 22-223, 225-227.
10. K.U.G. Raju and G. Atkinson, "The Thermodynamics of "Scale" Mineral Solubilities: (3) Calcium Sulfate in Aqueous NaCl," Journal of Chemical and Engineering data, 35(3) (1990), 361-167.
11. H.E. Barner and R.V. Scheuerman, Handbook of Thermochemical Data for Compounds and Aqueous Species (New York, NY: John Wiley & Sons Inc., 1978), 37-38, 50, 78.
12. nd (1991-92), Selected Values of Chemical Thermodynamic Properties (Cleveland, Ohio: CRC Press, 1992), 5-23.
13. rd ed., Boca Raton, FL: CRC Press LLC, 2002) or http://www.library.mcgill.ca/psel/ database/restricted/crchandbook.htm.
14. I. Barin, O. Knacke and O. Kubaschewski, Thermochemical Properties of Inorganic Substances (Berlin, German: Springer-Verlag, 1973), 176-177.
15. D. D. Wagman et al., Journal of Physical and Chemical Reference Data, Vol. 11, Suppl. No. 2: The NBS Tables of Chemical Thermodynamic Properties. Selected Values for Inorganic and C1 and C2 Organic Substances in SI Units, (1982), 392 pp.
16. Thermal data in online databank, http://gibbs.ipe.ac.cn/sdb/ frame_database.htm, or http://gibbs.ipe.ac.cn/ITDB/lTDB.htm.
17. FactSage software, http://www.FactSage.com.
18. L.A. Hardie, "The Gypsum-anhydrite Equilibrium at One Atmosphere Pressure," American Mineralogist, 52(1-2) (1967), 171-200.
19. C.W. Blount and F.W. Dickson, "Gypsum-anhydrite Equilibriums in Systems Calcium Sulfate-Water and Calcium Sulfate-Sodium Chloride-Water," American Mineralogist, 58(3-4) (1973), 323-331.
20. G. Innorta, E. Rabbi and L. Tomadin, "The Gypsum-anhydrite Equilibrium by Solubility Measurements," Geochimica et Cosmochimica Acta, 44(12) (1980), 1931-1936.
21. D. Langmuir and D. Melchior, "The Geochemistry of Calcium, Strontium, Barium and Radium Sulfates in Some Deep Brines from the Palo Duro Basin, Texas," Geochimica et Cosmochimica Acta, 49(11) (1985), 2423-2432.
22. E. Posnjak, "Deposition of Calcium Sulfate from Sea Water," American Journal of Science, 238(1940), 559.
23. E.P. Partridge and A.H. White, "Solubility of Calcium Sulfate from 0°C to 200°C," Journal of American Chemical Society, 51(1929), 360-370.
24. A.E. Hill, "The Transition Temperature of Gypsum to Anhydrite," Journal of American Chemical Society, 59(1937), 2242-2244.
25. E.T.M.J. Martynowicz, G.J. Witkamp, and G.M. van Rosmalen, "The Effect of Aluminum Fluoride on the Formation of Calcium Sulfate Hydrates," Hydrometallurgy, 41(2-3)(1996), 171-186.
26. W.L. Marshall and R. Slusher, "Aqueous Systems at High Temperature: Solubility to 200°C of Calcium Sulfate and Its Hydration in Sea Water and Saline Water Concentrates, and Temperature-Concentration Limits," Journal of Chemical and Engineering Data, 13(1) (1968), 83-93.
27. OLI software, http://www.olisystems.com.
28. Kontrec, J., Kralj, D. and Brecevic, L., "Transformation of Anhydrous Calcium Sulfate into Calcium Sulfate Dihydrate in Aqueous Solutions," Journal of Crystal Growth, 240(2002), 203-211.
29. 2O," Russian J. Inorganic Chem., 28(10) (1983), 1404-1407 (English translation).
30. Y. Ling, "Direct Preparation of Alpha Calcium Sulfate Hemihydrate from Sulfuric Acid" (McGill University, 2003).