High-performance remediation for AMD – fast-acting, sustainable, and effective.
Mineral CSA: The Proven Solution for Acid Mine Drainage (AMD) Remediation
What is Mineral CSA?
Mineral CSA (Calcium Silicate Aggregate) is a proprietary solution developed by Harsco Environmental to combat Acid Mine Drainage effectively. It's engineered for both active and passive treatment systems, ensuring quick neutralization of acidic conditions and long-term protection.
Why Choose Mineral CSA?
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High Solubility and Alkalinity
Provides 5000+ times more soluble alkalinity compared to limestone, allowing rapid and sustained neutralization -
Non-Armoring Advantage
Does not form a crust from metal deposits like limestone, ensuring ongoing effectiveness -
Sustainable Metal Sequestration
Sequesters heavy metals, reducing environmental impact and restoring water quality
How Mineral CSA Can Help Your Site
- Restore water quality at active and abandoned mine sites.
- Ensure long-term pH stabilization and control of acid generation.
- Promote sustainable site rehabilitation and ecosystem recovery.
Success in Action
Before Mineral CSA treatment, Reeds Run suffered from severe acidity with significant amounts of iron covering its substrate, which left it devoid of aquatic life. After intervention usingMineral CSA, the water quality improved significantly, allowing fish to return to the stream aftermore than 50 years.