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• 2004 Annual Report
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Accomplishments

DESCRIPTIONS, ACCOMPLISHMENTS, AND FUTURE DIRECTION

This section describes accomplishments of the Mine Waste Technology Program (MWTP) and includes project descriptions, major project accomplishments during 2004, and future project direction.

ACTIVE PROJECT DESCRIPTIONS

The following sections describe each MWTP project that was active during 2004. The projects are categorized by the primary issue addressed. Issues addressed by projects in 2004 included: Source Control; Sustainability; Acid Drainage/Water Treatment; Trace Metal Removal; Remote Location; Pit Lakes; Modeling; Cyanide Destruction; and Miscellaneous Activities.

• Source Control
  • Microencapsulation to Prevent Acid Mine Drainage
  • Electrochemical Tailings Cover
  • Remediation of Underground Mine Discharge Using Source Control and Passive Technologies
  • Microbial and Geochemical Responses in Acid-Producing Mine Tailings
  • Passive Remediation of Sulfide Wastes: A Study of Oxygen Diffusion Through Composite Barrier Covers
• Sustainability
  • Acidic/Heavy Metal-Tolerant Plant Cultivars Demonstration, Anaconda Smelter Superfund Site
• Acid Drainage/Water Treatment
  • Sulfate-Reducing Bacteria Demonstration
  • Integrated Passive Biological Treatment Process Demonstration
  • Long-Term Monitoring of Permeable Treatment Wall Demonstration
  • Physical Solutions for Acid Mine Drainage at Remote Sites
• Trace Metal Removal
  • Thallium Removal from Mine Waste Waters
  • Modified Ferrihydrite for Enhanced Removal of Arsenic from Mine Wastewater
• Remote Location
  • Mine Site Telemetry—Fuel Cell
• Pit Lakes
  • Bioremediation of Pit Lakes (Gilt Edge Mine)
  • Algal Bioremediation of the Berkeley Pit-Lake System – An In-Situ Test Using Limnocorrals
• Modeling
  • Contaminant Speciation in Riparian Soils Demonstration
  • Calpuff Modeling Of Copper Smelter Emissions
• Cyanide Destruction
  • Cyanide Heap Biological Detoxification, Phase

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