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Experimental Data on Solubility of the Two Calcium Sulfates Gypsum and Anhydrite in Aqueous Solutions

Author

Listed:
  • Reza Taherdangkoo

    (TU Bergakademie Freiberg, Institute of Geotechnics, Gustav-Zeuner-Str. 1, 09599 Freiberg, Germany)

  • Miaomiao Tian

    (School of Mines, China University of Mining and Technology, Xuzhou 221116, China)

  • Ali Sadighi

    (TU Bergakademie Freiberg, Institute of Geotechnics, Gustav-Zeuner-Str. 1, 09599 Freiberg, Germany)

  • Tao Meng

    (Taiyuan University of Science and Technology, Taiyuan 030024, China)

  • Huichen Yang

    (Department of Applied Geology, Geosciences Center, University of Göttingen, Goldschmidtstr. 3, D-37077 Göttingen, Germany)

  • Christoph Butscher

    (TU Bergakademie Freiberg, Institute of Geotechnics, Gustav-Zeuner-Str. 1, 09599 Freiberg, Germany)

Abstract

Calcium sulfate exists in three forms, namely dihydrate or gypsum (CaSO 4 ·2H 2 O), anhydrite (CaSO 4 ), and hemihydrate or bassanite (CaSO 4 ·0.5H 2 O) depending on temperature, pressure, pH, and formation conditions. The formation of calcium sulfates occurs widely in nature and in many engineering settings. Herein, a dataset containing the experimental solubility data of calcium sulfate minerals, i.e., gypsum and anhydrite, in aqueous solutions is presented. The compiled dataset contains calcium sulfates solubility values extracted from 42 papers published between 1906 and 2019. The dataset can be used for various scientific and engineering purposes such as environmental applications (e.g., gas treatment, wastewater treatment, and chemical disposal), geotechnical applications (e.g., clay-sulfate rock swelling), separation processes (e.g., crystallization, extractive distillation, and seawater desalination), and electrochemical processes (e.g., corrosion and electrolysis).

Suggested Citation

  • Reza Taherdangkoo & Miaomiao Tian & Ali Sadighi & Tao Meng & Huichen Yang & Christoph Butscher, 2022. "Experimental Data on Solubility of the Two Calcium Sulfates Gypsum and Anhydrite in Aqueous Solutions," Data, MDPI, vol. 7(10), pages 1-9, October.
    • Handle: RePEc:gam:jdataj:v:7:y:2022:i:10:p:140-:d:943992
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