YX500: A Sodium Cyanide Substitute in Gold Leaching

Application Range of YX500

1. Applicable Materials: YX500 finds utility across various gold-containing materials including gold, silver oxidized ores, primary ores, cyanide tailings, gold concentrates, roasting slag, and anode sludge.

2. Processes: It suits different leaching methods such as heap leaching, pool leaching, carbon slurry, and stirring leaching.

Characteristics of YX500

1. Appearance: YX500 presents as a powdery solid.

2. Dissolving Method: It dissolves readily when stirred with water at room temperature.

3. Alkalinity Adjustment: Lime or caustic soda are typically employed to maintain pH levels between 10-12.

Utilization Guidelines and Precautions

1. Solution Preparation: YX500 dosage mirrors that of sodium cyanide. Concentrations vary according to ore grades and impurity contents, usually prepared at 15-20% concentration.

2. Usage Process: YX500 follows conventional sodium cyanide leaching procedures.

3. Precautions:

• Regular monitoring of precious and lean liquid content, pH, and YX500 concentration is recommended.
• pH deviations outside 10-12 range affect YX500 consumption and leaching efficiency.
• Minor black residue post-dissolution doesn't impair effectiveness.
• YX500 can be used alone or in tandem with sodium cyanide.
• Suitable for various leaching processes including carbon slurry and zine powder replacement.
• Gold recovery methods remain consistent with cyanide leaching.
• YX500 leach return water is recyclable.
• Leaching efficacy remains unaffected within 0-50°C temperature range, akin to sodium cyanide.
• YX500 consumption relative to sodium cyanide varies; higher for high-grade, impure, or fine gold-bearing materials, generally 1.5-3 times more.

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