Advances in clinkering technology of calcium sulfoaluminate cement

Isabel Galan Garcia, Ammar Elhoweris, Theodore Hanein, Marcus N Campbell Bannerman, Fredrik P Glasser

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19 Citations (Scopus)
15 Downloads (Pure)


A new method for producing calcium sulfoaluminate (CS̄A) clinkers is described. Sulfur is introduced from the gas phase as sulfur dioxide and oxygen and reacts with solids during clinkerisation. In this paper, the laboratory experiments are described and thermodynamic calculations are presented. The sulfur-containing phases ye'elimite and ternesite were stabilised together with belite to produce clinkers with various mineralogies. The influences of temperature and sulfur dioxide partial pressure were analysed and their effect on the formation of undesirable anhydrite and gehlenite was examined. The process by which a potentially hazardous waste material such as sulfur can be used as raw material, and possibly as fuel, to form CS̄A cements, is shown to be successful.
Original languageEnglish
Pages (from-to)405-417
Number of pages13
JournalAdvances in Cement Research
Issue number10
Early online date19 Oct 2017
Publication statusPublished - Nov 2017

Bibliographical note

The authors gratefully acknowledge the financial support provided by the Gulf Organisation for Research and Development (GORD), Qatar, through University of Aberdeen research grant number ENG016RGG11757.

Funding Information: Gulf Organisation for Research and Development (GORD) (ENG016RGG11757)


  • Clinkering/clinkering reactions
  • Special cements
  • Waste volarisation


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