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Characterization of Gold Mining Waste for Carbon Sequestration and Utilization as Supplementary Cementitious Material

Sharifah Nur Munirah Syed Hasan, Faradiella Mohd Kusin

2021engold miningcarbon sequestrationwaste utilizationcementitious materialsmineralogy

Abstract

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This study aims to identify the potential of gold mining waste for CO2 sequestration and its utilization for carbon storage in cementitious material. Samples of mine waste were identified from a gold mine for mineralogical and chemical composition analysis using X-ray diffractogram and scanning electron microscopy with energy-dispersive X-ray. Mine waste was utilized in a brick-making process as supplementary cementitious material and as an agent for CO2 capture and storage in bricks. Carbonation curing was incorporated in brick fabrication to estimate CO2 uptake of the brick product. Results indicated that the mine wastes were composed of silicate minerals essential for mineral carbonation such as muscovite and illite (major) and chlorite-serpentine, aerinite, albite and stilpnomelane (moderate/minor phases). The mine wastes were identified as belonging to the highly pozzolanic category, which has a great role in improving the strength properties of brick products. Carbonated minerals served as an additional binder that increased the strength of the product. CO2 uptake of the product was between.

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Cite This Work

@article{3db0a794-45ce-48f4-88b1-dacd94a1174f,
  title={Characterization of Gold Mining Waste for Carbon Sequestration and Utilization as Supplementary Cementitious Material},
  author={Sharifah Nur Munirah Syed Hasan and Faradiella Mohd Kusin},
  year={2021},
  language={en}
}
TY  - JOUR
TI  - Characterization of Gold Mining Waste for Carbon Sequestration and Utilization as Supplementary Cementitious Material
AU  - Sharifah Nur Munirah Syed Hasan
AU  - Faradiella Mohd Kusin
PY  - 2021
LA  - en
ER  -

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