What is it about?
This study evaluated whether activated biochar made from coffee waste can remove heavy metals from Acid Mine Drainage (AMD). The treatment successfully removed copper, zinc, and iron while increasing the water pH from acidic to neutral, improving water quality.
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Why is it important?
Acid Mine Drainage is a major environmental problem because it contaminates rivers and soils with toxic metals. Converting coffee waste into an effective treatment material offers a low-cost, sustainable, and circular economy solution for reducing mining pollution and protecting water resources.
Perspectives
The findings show that activated coffee biochar can be an environmentally friendly alternative for AMD treatment, achieving high metal removal efficiencies and meeting environmental quality standards. This approach has strong potential for application in sustainable mine closure and water remediation projects.
Dra. Gladys Sandi Licapa-Redolfo
Universidad Privada del Norte
Read the Original
This page is a summary of: Innovation in Acid Mine Drainage Remediation Using Coffee Waste Biochar in Michiquillay, 2025, January 2025, LACCEI (Latin American and Caribbean Consortium of Engineering Institutions),
DOI: 10.18687/leird2025.1.1.753.
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