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The EnviroLeach Solution..
EnviroLeach is a technology company that has created a proprietary environmentally friendly solution to extract precious and strategic metals from ores, concentrates and eWaste..
How Environmentally Friendly?
All ingredients in EnviroLeach’s patent pending formula are FDA approved for human consumption …
Environmental Opportunities in the Gold Mining and Urban Mining Sectors
- 66,000 tonnes of Cyanide is used annually in mining.
- 1,400 tonnes of Mercury is used annually in mining
- Mine operators under pressure for environmental change
- 50,000,000 tonnes of E-Waste is generated annually and growing
- $62 Billion USD in precious metals is used in electronics annually
- No eco-friendly & sustainable solution for recycling E-Waste
Current Extraction Processes
Current processes are toxic, caustic & non-scalable..
Smelting
Limited Capacity Secondary CO2 Pollution
Limited Lot Flexibility
Limited Lot Flexibility
Limited Transparency
High Grade Variance
High Carbon Footprint
Lengthy Payment Period.
High Grade Variance
High Carbon Footprint
Lengthy Payment Period
Acid Based
Nitric Acid
Hydrocholoric Acid
Sulfuric Acid
Toxic Emissions
Not Scalable
Requires Heating & Off Gas Controls
Cyanide Based
Toxic to Environment
Not Safe for Workers
Expensive Detoxification Dangerous to Transport
Toxic Tailings
Negative Public Perception
Not Cost Effective for E-Waste
Process Overview
Preparation
Preparation
Material preparation, separation,
grinding and classification…
Dissolution
Dissolution
The ground material is dissolved in the lixiviant for a pre-specified
time…
Extraction
Extraction
The metals are recovered from the
solution using; ion exchange,
carbon absorption, EW or
precipitation…
Recovery
Recovery
The precipitate, carbon or
electrodes are refined to recover
999 gold plus other strategic
metals…
The EnviroLeach Alternative
A simple equation that solves a very complex problem…
EnviroLeach Process Benefits
- Broad applicability spectrum
- Fast leach kinetics
- Near Neutral pH
- Ambient temperature
- No toxic off gassing
- Water based chemistry
- Environmentally friendly
- Safe, reusable and sustainable
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