Coal Fly Ash Beneficiation: A Substitute Material for Portland Cement – A Review

View Full Paper

Ask AI

Bookmark

Authors

Discussion

This review explores coal fly ash as a cement substitute and highlights its benefits in reducing CO₂ emissions and enhancing durability.

Coal fly ash serves as a promising substitute for Portland cement, enhancing sustainability in construction.
Incorporating up to 30% beneficiated coal fly ash can lower CO₂ emissions from concrete by about 20%.
Beneficiation techniques improve properties of coal fly ash, reducing carbon content to below 2% for better compatibility with cement.
Class F fly ash enhances sulfate resistance and minimizes alkali-silica reaction potential, contributing to concrete durability.

Hartuti et al. (2025) studied this question.

View Full Paper

Ask AI

Bookmark

This review explores coal fly ash as a cement substitute and highlights its benefits in reducing CO₂ emissions and enhancing durability.