August 26, 2025ProcessesOpen Access

Comprehensive Assessment of Ash and Slag Waste for the Synthesis of Silicon-Based Functional Materials

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Significant amounts of SiO2 (up to 54%) and other oxides were found in both fresh and aged ash and slag, indicating their diverse composition.
Chemical and granulometric analyses revealed a dependency of composition on particle size, showcasing the complexity of raw materials.
Criteria for evaluating ash and slag as viable construction materials were established, enhancing their potential for sustainable applications.
Environmental hazards from trace elements like Pb and Cu were identified, emphasizing the need for careful monitoring and responsible use.

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Observational analysis emphasizes the potential of ash and slag waste for ceramic materials, suggesting environmental benefits.

Seisenova et al. (2025) studied this question.

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