Direct carbonation of red gypsum to produce solid carbonates

Amin Azdarpour, Mohammad Asadullah, Radzuan Junin, Muhammad Manan, Hossein Hamidi, Erfan Mohammadian

Research output: Contribution to journalArticle

34 Citations (Scopus)

Abstract

This study focuses on direct mineral carbonation of waste gypsum, a by-product of titanium dioxide production industry and known as red gypsum. The red gypsum is a potential raw material for carbonation with carbon dioxide due to its high content of calcium. Before being used the red gypsum, it was characterized by MASTERSIZER 2000, XRD, and XRF analyses. The carbonation of red gypsum was carried out using a high pressure autoclave reactor. The reaction parameters such as CO2 pressure, reaction temperature and red gypsum particle size were optimized to achieve the maximum yield and purity of calcium carbonate. The purity of calcium carbonate produced and the carbonation efficiency at different temperatures have also been investigated. Both the purity of the product and the efficiency of the reaction were increased when elevated CO2 pressure and reduced particle size were used. They were increased initially with increasing temperature up to 200 °C, but dropped with further increase of temperature. The mineral carbonation technology by using red gypsum can potentially contribute to both reduction of CO2 emission and remediation of environmental concern.
Original languageEnglish
Pages (from-to)429-434
Number of pages6
JournalFuel Processing Technology
Volume126
Early online date17 Jun 2014
DOIs
Publication statusPublished - Oct 2014

Fingerprint

Calcium Sulfate
Carbonation
Carbonates
Gypsum
Calcium Carbonate
Calcium carbonate
Minerals
Particle size
Temperature
Autoclaves
Remediation
Carbon Dioxide
Titanium dioxide
Byproducts
Calcium
Carbon dioxide
Raw materials

Keywords

  • Carbon capture and storage
  • Mineral carbonation
  • GHGs
  • Red gypsum
  • Direct carbonation

Cite this

Azdarpour, A., Asadullah, M., Junin, R., Manan, M., Hamidi, H., & Mohammadian, E. (2014). Direct carbonation of red gypsum to produce solid carbonates. Fuel Processing Technology, 126, 429-434. https://doi.org/10.1016/j.fuproc.2014.05.028

Direct carbonation of red gypsum to produce solid carbonates. / Azdarpour, Amin ; Asadullah, Mohammad ; Junin, Radzuan; Manan, Muhammad ; Hamidi, Hossein; Mohammadian, Erfan.

In: Fuel Processing Technology, Vol. 126, 10.2014, p. 429-434.

Research output: Contribution to journalArticle

Azdarpour, A, Asadullah, M, Junin, R, Manan, M, Hamidi, H & Mohammadian, E 2014, 'Direct carbonation of red gypsum to produce solid carbonates', Fuel Processing Technology, vol. 126, pp. 429-434. https://doi.org/10.1016/j.fuproc.2014.05.028
Azdarpour, Amin ; Asadullah, Mohammad ; Junin, Radzuan ; Manan, Muhammad ; Hamidi, Hossein ; Mohammadian, Erfan. / Direct carbonation of red gypsum to produce solid carbonates. In: Fuel Processing Technology. 2014 ; Vol. 126. pp. 429-434.
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