Development of One-part geopolymers based on industrial carbonate waste

Rebecca Willson-Levy; Alva Peled; Ofra Klein-BenDavid; Gabriela Bar-Nes

doi:10.1016/j.conbuildmat.2022.130009

Development of One-part geopolymers based on industrial carbonate waste

Rebecca Willson-Levy, Alva Peled, Ofra Klein-BenDavid, Gabriela Bar-Nes

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

12 Scopus citations

Abstract

Growing environmental concerns have raised the need for sustainable alternatives to conventional Portland cement. In this research Ca/Mg-carbonate based industrial wastes were used to prepare solid alkali-activators for one-part geopolymers. Dolomite and limestone quarry dust and calcite industrial byproduct were thermally activated at 950-1000℃, transforming carbonates into Ca/Mg oxides. Metakaolin based one-part geopolymers were cast, utilizing the oxides as solid activators. The main crystalline phase formed was Stratlingite. Fair compressive strength (∼20 MPa) was measured after 40 days ambient curing. This study illustrates activated carbonate waste materials may be used as sustainable solid activators for one-part geopolymer synthesis.

Original language	English
Article number	130009
Journal	Construction and Building Materials
Volume	365
DOIs	https://doi.org/10.1016/j.conbuildmat.2022.130009
State	Published - 15 Feb 2023

Keywords

Calcite
Dolomite
Industrial byproduct
Limestone
One-part geopolymer
Quarry dust
Solid activator
Stratlingite
Sustainable

ASJC Scopus subject areas

Civil and Structural Engineering
Building and Construction
General Materials Science

UN SDGs

This output contributes to the following UN Sustainable Development Goals (SDGs)

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10.1016/j.conbuildmat.2022.130009

Cite this

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title = "Development of One-part geopolymers based on industrial carbonate waste",

abstract = "Growing environmental concerns have raised the need for sustainable alternatives to conventional Portland cement. In this research Ca/Mg-carbonate based industrial wastes were used to prepare solid alkali-activators for one-part geopolymers. Dolomite and limestone quarry dust and calcite industrial byproduct were thermally activated at 950-1000℃, transforming carbonates into Ca/Mg oxides. Metakaolin based one-part geopolymers were cast, utilizing the oxides as solid activators. The main crystalline phase formed was Stratlingite. Fair compressive strength (∼20 MPa) was measured after 40 days ambient curing. This study illustrates activated carbonate waste materials may be used as sustainable solid activators for one-part geopolymer synthesis.",

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language = "English",

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journal = "Construction and Building Materials",

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T1 - Development of One-part geopolymers based on industrial carbonate waste

AU - Willson-Levy, Rebecca

AU - Peled, Alva

AU - Klein-BenDavid, Ofra

AU - Bar-Nes, Gabriela

PY - 2023/2/15

Y1 - 2023/2/15

N2 - Growing environmental concerns have raised the need for sustainable alternatives to conventional Portland cement. In this research Ca/Mg-carbonate based industrial wastes were used to prepare solid alkali-activators for one-part geopolymers. Dolomite and limestone quarry dust and calcite industrial byproduct were thermally activated at 950-1000℃, transforming carbonates into Ca/Mg oxides. Metakaolin based one-part geopolymers were cast, utilizing the oxides as solid activators. The main crystalline phase formed was Stratlingite. Fair compressive strength (∼20 MPa) was measured after 40 days ambient curing. This study illustrates activated carbonate waste materials may be used as sustainable solid activators for one-part geopolymer synthesis.

AB - Growing environmental concerns have raised the need for sustainable alternatives to conventional Portland cement. In this research Ca/Mg-carbonate based industrial wastes were used to prepare solid alkali-activators for one-part geopolymers. Dolomite and limestone quarry dust and calcite industrial byproduct were thermally activated at 950-1000℃, transforming carbonates into Ca/Mg oxides. Metakaolin based one-part geopolymers were cast, utilizing the oxides as solid activators. The main crystalline phase formed was Stratlingite. Fair compressive strength (∼20 MPa) was measured after 40 days ambient curing. This study illustrates activated carbonate waste materials may be used as sustainable solid activators for one-part geopolymer synthesis.

KW - Calcite

KW - Dolomite

KW - Industrial byproduct

KW - Limestone

KW - One-part geopolymer

KW - Quarry dust

KW - Solid activator

KW - Stratlingite

KW - Sustainable

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U2 - 10.1016/j.conbuildmat.2022.130009

DO - 10.1016/j.conbuildmat.2022.130009

M3 - Article

AN - SCOPUS:85146232302

SN - 0950-0618

VL - 365

JO - Construction and Building Materials

JF - Construction and Building Materials

M1 - 130009

ER -

Development of One-part geopolymers based on industrial carbonate waste

Abstract

Keywords

ASJC Scopus subject areas

UN SDGs

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