The impact of intrinsic anhydrite in an experimental calcium sulfoaluminate cement from a novel, carbon-minimized production process

Gabriel Jen; Solon Skalamprinos; Mark Whittaker; Isabel Galan; Mohammed Salah-Eldin Imbabi; Fredrik Glasser

doi:10.1617/s11527-017-1012-z

The impact of intrinsic anhydrite in an experimental calcium sulfoaluminate cement from a novel, carbon-minimized production process

Gabriel Jen, Solon Skalamprinos, Mark Whittaker, Isabel Galan, Mohammed Salah-Eldin Imbabi^* (Corresponding Author), Fredrik Glasser

^*Corresponding author for this work

Research output: Contribution to journal › Article › peer-review

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Abstract

Calcium sulfoaluminate clinker produced through a previously described novel production process, generating further economies of carbon emission minimization and sulfur use efficiency, is tested for performance as a cementitious binder. The reactivity levels of major phases, including ye’elimite, two polymorphs of belite and anhydrite are found to produce a viable product characterized by rapid hydration. Through investigation, the reactivity is linked to the unique distribution of crystalline phases present within cement grains. It is inferred that both microstructure and mineralogy are responsible for the undesirable set behaviour encountered. The causality of this problem is further investigated and determined to be a consequence of the intrinsic anhydrite component for which remediation solutions are described. The resultant mortar compression strengths are determined for the subject cement in order to characterize its potential in relation to ordinary Portland cement.

Original language	English
Article number	144
Journal	Materials and Structures/Materiaux et Constructions
Volume	50
Early online date	27 Feb 2017
DOIs	https://doi.org/10.1617/s11527-017-1012-z
Publication status	Published - Apr 2017

Bibliographical note

Gulf Organisation for Research and Development EG016-RG11757
Open access via Springer Compcat Agreement

The authors are grateful for the financial support of the Gulf Organization for Research and Development (GORD) through grant EG016-RG11757. Mr Mathieu Antoni of LafargeHolcim is thanked for his assistance in processing the grinding of the experimental clinker. Mr Theodore Hanein is thanked for insight gained in discussions regarding thermodynamic modelling of the CaO-Al2O3-SO3-SiO2 system within the kiln environment.

Keywords

calcium sulfoaluminate
anhydrite
flash set
false set

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10.1617/s11527-017-1012-zLicence: CC BY

The impact of intrinsic anhydrite in an experimental
© The Author(s) 2017 This article is distributed under the terms of the Creative Commons Attribution 4.0 International License (http://creativecommons.org/licenses/by/4.0/), which permits unrestricted use, distribution, and reproduction in any medium, provided you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons license, and indicate if changes were made.
Final published version, 1.72 MBLicence: CC BY

Cite this

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title = "The impact of intrinsic anhydrite in an experimental calcium sulfoaluminate cement from a novel, carbon-minimized production process",

abstract = "Calcium sulfoaluminate clinker produced through a previously described novel production process, generating further economies of carbon emission minimization and sulfur use efficiency, is tested for performance as a cementitious binder. The reactivity levels of major phases, including ye{\textquoteright}elimite, two polymorphs of belite and anhydrite are found to produce a viable product characterized by rapid hydration. Through investigation, the reactivity is linked to the unique distribution of crystalline phases present within cement grains. It is inferred that both microstructure and mineralogy are responsible for the undesirable set behaviour encountered. The causality of this problem is further investigated and determined to be a consequence of the intrinsic anhydrite component for which remediation solutions are described. The resultant mortar compression strengths are determined for the subject cement in order to characterize its potential in relation to ordinary Portland cement.",

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note = "Gulf Organisation for Research and Development EG016-RG11757 Open access via Springer Compcat Agreement The authors are grateful for the financial support of the Gulf Organization for Research and Development (GORD) through grant EG016-RG11757. Mr Mathieu Antoni of LafargeHolcim is thanked for his assistance in processing the grinding of the experimental clinker. Mr Theodore Hanein is thanked for insight gained in discussions regarding thermodynamic modelling of the CaO-Al2O3-SO3-SiO2 system within the kiln environment. ",

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AU - Galan, Isabel

AU - Imbabi, Mohammed Salah-Eldin

AU - Glasser, Fredrik

N1 - Gulf Organisation for Research and Development EG016-RG11757 Open access via Springer Compcat Agreement The authors are grateful for the financial support of the Gulf Organization for Research and Development (GORD) through grant EG016-RG11757. Mr Mathieu Antoni of LafargeHolcim is thanked for his assistance in processing the grinding of the experimental clinker. Mr Theodore Hanein is thanked for insight gained in discussions regarding thermodynamic modelling of the CaO-Al2O3-SO3-SiO2 system within the kiln environment.

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N2 - Calcium sulfoaluminate clinker produced through a previously described novel production process, generating further economies of carbon emission minimization and sulfur use efficiency, is tested for performance as a cementitious binder. The reactivity levels of major phases, including ye’elimite, two polymorphs of belite and anhydrite are found to produce a viable product characterized by rapid hydration. Through investigation, the reactivity is linked to the unique distribution of crystalline phases present within cement grains. It is inferred that both microstructure and mineralogy are responsible for the undesirable set behaviour encountered. The causality of this problem is further investigated and determined to be a consequence of the intrinsic anhydrite component for which remediation solutions are described. The resultant mortar compression strengths are determined for the subject cement in order to characterize its potential in relation to ordinary Portland cement.

AB - Calcium sulfoaluminate clinker produced through a previously described novel production process, generating further economies of carbon emission minimization and sulfur use efficiency, is tested for performance as a cementitious binder. The reactivity levels of major phases, including ye’elimite, two polymorphs of belite and anhydrite are found to produce a viable product characterized by rapid hydration. Through investigation, the reactivity is linked to the unique distribution of crystalline phases present within cement grains. It is inferred that both microstructure and mineralogy are responsible for the undesirable set behaviour encountered. The causality of this problem is further investigated and determined to be a consequence of the intrinsic anhydrite component for which remediation solutions are described. The resultant mortar compression strengths are determined for the subject cement in order to characterize its potential in relation to ordinary Portland cement.

KW - calcium sulfoaluminate

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JO - Materials and Structures/Materiaux et Constructions

JF - Materials and Structures/Materiaux et Constructions

M1 - 144

ER -

The impact of intrinsic anhydrite in an experimental calcium sulfoaluminate cement from a novel, carbon-minimized production process

Abstract

Bibliographical note

Keywords

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