Cyanide Free Gold Leaching Reagents For CIL Process Plant

20tpd-300 tpd Cyanide free gold leaching reagents for CIL process

1.Product Introduction CIP CIL Gold Extraction

This high-tech environmental reagent is a 1:1 functional replacement for sodium cyanide (NaCN). Formulated from non-toxic inorganic salts, stabilizers, and catalysts, it is designed for gold extraction through Carbon-in-Leach (CIL) circuits without the extreme toxicity associated with traditional methods.

2.Application CIP CIL Gold Extraction

• Target Ores: Highly effective for oxidized gold ores, low-grade ores, and certain sulfide-bearing gold ores.

• Operational Scale: Optimized for 20tpd – 300tpd small-to-medium processing plants, especially those in regions with strict environmental regulations.

• Resource Recovery: Widely used in tailings reprocessing and high-grade gold concentrate leaching.

3.Working Principle CIP CIL Gold Extraction

• Coordination Leaching: Once dissolved in the slurry, the reagent's active molecules react with gold atoms to form a stable, soluble gold-complex ion ($[Au(X)_2]^-$).

• Simultaneous Adsorption (CIL): While the reagent dissolves the gold, activated carbon added directly to the tanks captures the gold-complex ions in real-time.

• Kinetic Acceleration: The reagent operates optimally at a pH of 10.5 – 12.0, utilizing dissolved oxygen to catalyze the oxidation and complexation process.

4.Advantages CIP CIL Gold Extraction

• Eco-Friendly & Safe:

  • Non-Toxic Classification: Classified as ordinary chemicals for transport and storage, eliminating the need for high-security bunkers and specialized hazmat permits.

  • Green Tailings: The resulting tailings meet environmental discharge standards more easily, reducing the cost of detoxification.

• High Recovery Efficiency:

  • Achieves recovery rates comparable to or higher than cyanide (typically 90%–95%), often with a faster leaching cycle.

• Process Compatibility:

  • Zero Infrastructure Change: Fully compatible with existing CIL tanks, agitators, and desorption-electrowinning systems. No equipment modification is required.

• Superior Selectivity:

  • Demonstrates stronger resistance to "interfering" elements like Arsenic (As) and Sulfur (S), ensuring stable recovery even in complex mineralogies.

• Cost-Effectiveness:

  • Reduces administrative and compliance costs related to "toxic chemical" management, leading to better overall project ROI for 20-300tpd sites.

5.Our Solutions