Acid Mine Drainage Testing and Evaluation
- NAG (Net Acid Generation)
- Acid Base Accounting (ABA)
- Humidity Cell or Column Testing
- Custom Test Programs
- Custom Treatment Process Development Programs
Biooxidation / Bioleaching / Acid Rock Microbiology
- Mesophiles, moderate thermophile, extreme thermophile cultures
- Culture maintenance
- Culture adaptation to particular mineralogies
- Culture adaptation to leach solution compositions
- Enrichments of Fe- and S-oxidizers from liquid and solid samples collected at site
- Site water microbial toxicity assessment
- Cell counts (total) by phase contrast microcopy
- Viable cell populations of Fe- and S-oxidizers (Most Probable Number, MPN)
- Nutrient monitoring of leach solutions (NH3-N, P, K, Mg)
Full Biooxidation / Bioleaching Test Capability
- Rapid Start-Up for Test Programs
- Full Metallurgical and Analytical Support Available
- Whole ore and concentrate evaluations pre- and post-biooxidation
- Stirred Reactors
- Temperature Controlled Leach Columns (0.3 meters to 5 meters height)
- Comprehensive test program:
- Design
- Analytical
- Data evaluation and interpretation
- Reporting
Sulfide / Sulfosalt Minerals Experience
- Pyrite (coal), Pyrite (ore, concentrates)
- Arsenopyrite, Cobaltite
- Bornite, Chalcopyrite, Chalcocite
- Covellite, Pyrrhotite, Galena
- Sphalerite / Marmatite, Molybdenite
- Enargite, Luzonite
- Tetrahedrite
- Tennantite