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Mining activities that disturb sulfide-rich rocks, particularly those containing pyrite (FeS₂), initiate a cascade of geochemical and microbiological processes with serious environmental implications. When exposed to air and water, pyrite undergoes oxidation, releasing sulfate, ultimately forming sulfuric acid and mobilizing heavy metals into surrounding water systems. This phenomenon, known as acid mine drainage (AMD), results in low pH waters laden with toxic elements that threaten...
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Watershed Planning within a Quantitative Scenario Analysis Framework
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Environmental management in North American mining sector.

Zunaira Asif1, Zhi Chen2

  • 1Department of Building, Civil and Environmental Engineering (BCEE), Faculty of Engineering and Computer Sciences, Concordia University, Montreal, QC, Canada. zunairabilal1@gmail.com.

Environmental Science and Pollution Research International
|November 4, 2015
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Summary

This review highlights North American mining

Keywords:
Air qualityMiningRecovery reagentsSustainableTailingsVentilation

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Area of Science:

  • Environmental Science
  • Mining Engineering
  • Sustainability Studies

Background:

  • Mining operations present significant environmental challenges, including waste management, metal recovery reagents, and acid effluents impacting ecosystems and human health.
  • Poor air quality and ventilation in underground mines pose serious occupational health risks.
  • Electricity and fuel consumption in mining contribute substantially to greenhouse gas emissions.

Purpose of the Study:

  • To review environmental issues and management practices in the North American mining sector.
  • To highlight problems associated with poor air quality and acid mine drainage.
  • To address the advantages and limitations of tailings and waste rock management.

Main Methods:

  • Literature review of environmental issues and management practices in North American mining.
  • Analysis of sustainability challenges in waste management, including tailings and waste rock.
  • Discussion of environmental management tools for improving mine sustainability.

Main Results:

  • Metal recovery reagents and acid effluents are identified as significant threats to ecosystems and human health.
  • Greenhouse gas emissions are linked to electricity and fuel consumption in mining.
  • Challenges persist in the sustainable management of tailings and waste rock.

Conclusions:

  • Implementation of environmental management tools such as life cycle assessment (LCA), cleaner production technologies (CPTs), and multicriteria decision analysis (MCD) is crucial.
  • These tools can improve environmental performance and advance mine sustainability.
  • Further research is needed on the advantages and limitations of current tailings and waste rock management strategies.