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Waste Management Strategies in Mining Operations: A Sustainable Approach

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Abstract:

Mining operations are integral to industrial development and economic growth, but they generate substantial waste, posing severe environmental and health risks. The environmental footprint of mining operations is significantly influenced by the nature and management of mining waste, which includes overburden, tailings, smelting slag, chemical effluents, radioactive residues, and gaseous emissions. This study provides a comprehensive analysis of these waste types, their associated ecological concerns, and prevailing mitigation strategies. Emphasis is placed on the adoption of science-based, economically viable, and scalable solutions that align with circular economy principles. A novel decision-support tool, the Composite Mining Waste Management Index (CMWMI) was developed to evaluate and rank various waste management strategies using weighted criteria: environmental effectiveness, economic feasibility, technological maturity, and scalability. The index reveals that backfilling and dry stacking score highest in sustainability and practicality. This integrative framework enables policymakers, engineers, and environmental managers to make informed decisions that enhance the sustainability of mining activities while mitigating long-term ecological and public health risks. Advanced technological solutions, including AI-driven waste monitoring, tailings reprocessing, bioremediation, and carbon capture, were examined for their role in minimizing the environmental footprint of mining activities. Regulatory frameworks and corporate social responsibility (CSR) initiatives were also discussed as crucial elements in enforcing sustainable mining practices. The study offers a replicable framework that can be tailored to specific mining contexts to guide responsible waste management, promote circular economy integration and ecological sustainability.

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Periodical:

Engineering Headway (Volume 33)

Pages:

75-87

DOI:

https://doi.org/10.4028/p-4xpcIV

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Online since:

February 2026

Authors:

Olusola Emmanuel Omowumi*, Famodun Moses Oluwafemi

Keywords:

Composite Index Mode, Environmental Impact, Regulatory Compliance, Sustainable Mining, Waste Management

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© 2026 Trans Tech Publications Ltd. All Rights Reserved

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* - Corresponding Author

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