Safe, Sustainable, and Compliant Practices for the Mining Industry

Ensure environmental compliance, reduce operational risks, and achieve sustainable mining processing with cutting-edge detox technologies.

Reaction Pathway

H₂O₂ + H₂SO₄ → H₂SO₅ + H₂O

H₂SO₅ + CN⁻WAD → CNO⁻ + H₂SO₄

Applications

• Detox Tanks

• Tailings Neutralisation

• Emergency Spill Treatments

Why Caro's Acid?

Cost Effective

The rapid reaction between cyanide and H₂SO₅ means the process can be carried out without the need for oversized or high-cost reaction tanks.

Operational Performance

Caro’s Acid works extremely well for destroying cyanide in slurries, typically without additional catalyst. With a custom Caro’s Acid Generator, almost any detox requirement can be accommodated.

Available Resources

Feedstocks such as sulfuric acid and hydrogen peroxide are readily available worldwide.

Proven Expertise: Pani Gold Heap Leach Project

Scope / Overview

 NewPro successfully delivered the design and engineering support for the Detox System implemented at the Pani Gold Project, located in Buntulia District, Indonesia.

The project involved a 7 Mtpa throughput Gold Heap Leach Plant, where Caro’s Acid detoxification was applied to treat 500 m³/h of cyanide-bearing solution, ensuring compliance with Indonesian regulations and targeting WAD CN < 0.5 ppm prior to discharge.

NewPro managed the complete engineering and manufacturing of the Caro’s Acid Generator. Although the base design was provided by a third party, our team prepared the detailed drawings, coordinated all necessary modifications, and oversaw the manufacturing process — including testing and validation — to achieve performance and safety.