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Mine wastes : characterization, treatment and environmental impacts /
"This book provides a thorough, up-to-date overview of wastes accumulating at mine sites. It deals comprehensively with sulfidic mine wastes, mine water, tailings, cyanidation wastes of gold-silver ores, radioactive wastes of uranium ores, and wastes of phosphate and potash ores. The book empha...
| Clasificación: | Libro Electrónico |
|---|---|
| Autor principal: | |
| Formato: | Electrónico eBook |
| Idioma: | Inglés |
| Publicado: |
Berlin ; London :
Springer,
2007.
|
| Edición: | 2nd ed. |
| Temas: | |
| Acceso en línea: | Texto completo |
Tabla de Contenidos:
- 1. Introduction to Mine Wastes
- Scope of the book
- Definitions
- Mining activities
- Metals, ores and industrial minerals
- mine wastes
- Mine waste production
- Mine wastes: unwanted by-products or valuable resources?
- Mining and environmental impacts
- Contaimination and pollution
- Historic mining
- Present-day unregulated mining
- Regulation of modern mining
- Rehabilitation of mine wastes and mine sites
- Sources of information
- Summary
- 2. Sulfidic Mine Wastes
- Introduction
- Weathering of sulfidic mine wastes
- Acid producing reactions
- Pyrite
- Other sulfides
- Other minerals
- Acid buffering reactions
- Silicates
- Carbonates
- Exchangeable cations
- Reaction rates
- Coal mine wastes
- Spontaneous combustion of pyritic wastes
- Formation and dissolution of secondary minerals
- Solubility of secondary minerals
- Acid consumption and production
- Coatings and hardpans
- Acid generation prediction
- Geological modeling
- Geological, petrographic, geochemical and mineralogical descriptions
- Sampling
- Geochemical tests
- Modeling the oxidation of sulfidic waste dumps
- Monitoring sulfidic wastes
- Environmental impacts
- Control of sulfide oxidation
- Wet covers
- Dry covers
- Encapsulation, in-pit disposal and mixing
- Co-disposal and blending
- Addition of organic wastes
- Bactericides
- Summary
- 3. Mine Water
- Introduction
- Sources of AMD
- Characterization
- Sampling and analysis
- Classification
- Acid waters
- Extremely acid waters
- Neutral of alkaline waters
- Coal mine waters
- Processes
- Microbiology activity
- Precipitation and dissolution of secondary minerals
- Coprecipitation
- Adsorption and desorption
- Eh-pH conditions
- Heavy metals
- The iron system
- The aluminium system
- The arsenic system
- The mercury system
- The sulfate system
- The carbonate system
- pH buffering
- Turbidity
- Prediction of mine water composition
- Geological modeling
- Mathematical and computational modeling
- Field indicators of AMD
- Monitoring AMD
- AMD from sulfidic waste rock dumps
- Hydrology of waste rock dumps
- Weathering of waste rock dumps
- Temporal changes to dump seepages.
- Environmental impacts of AMD
- AMD management strategies
- Treatment of AMD
- Neutralization
- Other chemical treatments
- Anoxic limestone drains
- Wetlands
- Adit plugging
- Ground water treatment
- Summary
- 4. Tailings
- Introduction
- Tailings characteristics
- Process chemicals
- Tailings liquids
- Tailings solids
- Tailing dams
- Tailings hydrogeology
- AMD genetation
- Tailings dam failures
- Monitoring
- Wet and dry covers
- Thickened discharge and paste technologies
- Backfilling
- Riverine and lacustrine disposal
- Marine disposal
- Recycling
- Summary
- 5. Cyanidation Wastes of Gold-Silver Ores
- Introduction
- Occurrences and uses of cyanide
- Cyanide chemistry
- Free cyanide
- Simple cyanide compounds
- Complexed cyanide
- Gold extraction
- Heap leach process
- Vat/Tank leach process
- Hydrometallurgical wastes
- Cyanide analysis and monitoring
- Environmental impacts
- Cyanide destruction
- Natural attenuation
- Enhanced natural attenuation
- Engineered attenuation
- Summary
- 6. Radioactive Wastes of Uranium Ores
- Introduction
- Mineralogy and geochemistry of uranium
- Uranium ores
- Placer and beach sands
- Aqueous chemistry of uranium
- Oxidative dissolution of uranium minerals
- Uranium solubility
- Uranium precipitation
- Radioactivity
- Principles of radioactivity
- Radioactive decay of uranium and thorium
- Units and measurements of radioactivity and radiation dose
- Radioactive equilibrium and disequilibrium
- Uranium mining and extraction
- Conventional mining and extraction
- In situ leach (ISL) operations
- Mining, processing and hydrometallurgical wastes
- Tailings
- Tailings radioactivity
- Tailings solids
- Tailings liquids
- Tailing disposal
- Long-term stability of tailings dams
- Mine water
- Constituents
- Treatment
- Monitoring
- Radiation hazards
- Radiation dose and human health
- Occupational radiation exposure
- Environmental impacts
- Summary.
- 7. Wastes of Phosphate and Potash Ores
- Introduction
- Potash mine wastes
- Potash ores
- Mining and processing wastes
- Phosphate mine wastes
- Phosphate rock
- Mining, processing and Hydrometallurgical wastes
- Phosphogypsum
- Disposal of phosphogypsum
- Potential hazards and environmental impacts
- Summary.