[2] ZHANG Y H, WANG F, HUANG H W, et al. Gypsum blocks produced from TiO2 production by-products［J］. Environmental Technology, 2016, 37(9): 1094-1100.
[3] MAHAZAM N B, AZMI N S B M. Evaluation of physical and chemical properties of red gypsum from terengganu, malaysia［J］. International Journal of Engineering Research & Technology, 2016, 5(1): 433-436.
[4] GUAN B H, MA X F, WU Z B, et al. Crystallization routes and metastability of α-calcium sulfate hemihydrate in potassium chloride solutions under atmospheric pressure［J］. Journal of Chemical & Engineering Data, 2009, 54(3): 719-725.
[5] FREYER D, VOIGT W. Crystallization and phase stability of CaSO4 and CaSO4-based salts［J］. Monatshefte Für Chemie/Chemical Monthly, 2003, 134(5): 693-719.
[7] LI J W, WANG W L, XU D, et al. Preparation of sulfoaluminate cementitious material using harmful titanium gypsum: material properties and heavy metal immobilization characteristics［J］. Waste Disposal & Sustainable Energy, 2020, 2(2): 127-137.
[8] PENG X Q, ZHENG J Y, LIU Q, et al. Efficient removal of iron from red gypsum via synergistic regulation of gypsum phase transformation and iron speciation［J］. Science of the Total Environment, 2021, 791: 148319.
[9] LI Z B, DEMOPOULOS G P. Model-based construction of calcium sulfate phase-transition diagrams in the HCl-CaCl2-H2O system between 0 and 100 ℃［J］. Industrial & Engineering Chemistry Research, 2006, 45(13): 4517-4524.
[10] YANG L F, DAI L D, LI H P, et al. Pressure-induced structural phase transition and dehydration for gypsum investigated by Raman spectroscopy and electrical conductivity［J］. Chemical Physics Letters, 2018, 706: 151-157.
[11] COMODI P, KURNOSOV A, NAZZARENI S, et al. The dehydration process of gypsum under high pressure［J］. Physics and Chemistry of Minerals, 2012, 39(1): 65-71.
[12] FARRAH H E, LAWRANCE G A, WANLESS E J. Gypsum-anhydrite transformation in hot acidic manganese sulfate solution. A comparative kinetic study employing several analytical methods［J］. Hydrometallurgy, 2004, 75(1/2/3/4): 91-98.
[13] CHIO C H, SHARMA S K, MUENOW D W. Micro-Raman studies of gypsum in the temperature range between 9 K and 373 K［J］. American Mineralogist, 2004, 89(2/3): 390-395.
[14] PRETURLAN J, FAVERGEON L, VIEILLE L, et al. Comprehensive thermodynamic study of the calcium sulfate-water vapor system. Part 2: physical modeling of adsorption phenomena［J］. Industrial & Engineering Chemistry Research, 2019, 58(22): 9607-9616.
[16] YANG L C, GUAN B H, WU Z B, et al. Solubility and phase transitions of calcium sulfate in KCl solutions between 85 and 100 ℃［J］. Industrial & Engineering Chemistry Research, 2009, 48(16): 7773-7779.
[17] RAJU K U G, ATKINSON G. The thermodynamics of “scale” mineral solubilities. 3. Calcium sulfate in aqueous sodium chloride［J］. Journal of Chemical & Engineering Data, 1990, 35(3): 361-367.
[19] WU H, FENG Y L, LI H R, et al. Red gypsum utilization and acidic wastewater treatment based on metal self-enrichment process［J］. Science of the Total Environment, 2019, 691: 9-15.
[20] AZIMI G, PAPANGELAKIS V G. Mechanism and kinetics of gypsum-anhydrite transformation in aqueous electrolyte solutions［J］. Hydrometallurgy, 2011, 108(1/2): 122-129.
[21] VAN SANTEN R A. The Ostwald step rule［J］. The Journal of Physical Chemistry, 1984, 88(24): 5768-5769.
