What type of study is this?

This is a Systematic Review study.

August 20, 2025Construction MaterialsOpen Access

Foundry Sand in Sustainable Construction: A Systematic Review of Environmental Performance, Contamination Risks, and Regulatory Frameworks

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Systematic review assesses waste foundry sand's environmental performance in construction, highlighting contamination risks and regulatory measures.

Substituting 10–30% of natural sand with waste foundry sand improves compressive strength and reduces water absorption, indicating effective use.
The systematic review analyzed 152 studies, showcasing the engineering feasibility of foundry sand as a sustainable alternative in construction materials.
A proposed six-stage framework outlines critical steps for safe reuse of waste foundry sand, addressing material preprocessing and contaminant assessment.
Contamination risks from chromium and copper in foundry sand are significant, emphasizing the need for rigorous regulatory monitoring in its application.

Niyonyungu et al. (2025) studied this question.

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Systematic review assesses waste foundry sand's environmental performance in construction, highlighting contamination risks and regulatory measures.