Specialized Granular Activated Carbon for Gold Recovery (GAC-AU Series)

Optimized for Maximum Gold Recovery in CIP/CIL Processes

This specialty coconut shell-based activated carbon is optimized for Gold Carbon-in-Pulp (CIP) and Carbon-in-Leach (CIL) processes, offering exceptional gold adsorption capacity and mechanical strength to maximize precious metal recovery rates.

High Gold Adsorption Rate & Capacity

Features unique surface chemistry for superior selective adsorption of gold-cyanide complexes

Exceptional Abrasion Resistance

Engineered for harsh slurry environments, exhibiting minimal loss during agitation and transfer

Rapid Adsorption Kinetics

Optimized particle size distribution ensures rapid adsorption equilibrium in contact tanks

Easy Elution & Regeneration

Facilitates efficient stripping under high-temperature and high-pressure conditions

Technical Specifications Request Mining Application Guide
Gold Recovery Activated Carbon
GOLD RECOVERY SERIES

Advanced Gold Recovery Features

Engineered specifically for maximum precious metal recovery efficiency

Selective Gold Adsorption

Specially engineered surface chemistry provides preferential adsorption of gold-cyanide complexes [Au(CN)₂⁻] over other metal complexes, maximizing gold recovery while minimizing co-adsorption of impurities.

Extreme Durability

Designed to withstand the abrasive conditions of mining slurry operations with high hardness (≥98%) and low attrition loss (<3%), reducing gold-in-carbon losses and extending operational lifespan.

Rapid Kinetics

Optimized pore structure and particle size distribution (6x12, 8x16 mesh) ensure fast adsorption kinetics, reaching equilibrium quickly to maximize contact tank efficiency and reduce cycle times.

Gold Recovery Process Applications

Optimized for major gold extraction processes

CIP Process

Carbon-in-Pulp (CIP) applications for efficient gold recovery from cyanide leach solutions

Process Optimization

CIL Process

Carbon-in-Leach (CIL) systems where carbon is added directly to leaching tanks

Simultaneous Leaching

Elution & Regeneration

Efficient gold stripping and carbon reactivation for multiple reuse cycles

Cost Reduction

Tailings Treatment

Recovery of residual gold from tailings and waste streams

Maximized Recovery

Performance Metrics

Superior recovery performance in gold mining applications

≥ 98%

Gold Recovery Rate

Minimum gold recovery efficiency from cyanide solutions

< 3%

Attrition Loss

Maximum carbon loss during abrasion testing

≥ 95%

Carbon Regeneration

Activity recovery after elution and thermal regeneration

15-30 min

Adsorption Equilibrium

Time to reach adsorption equilibrium in contact tanks

4-6 cycles

Reuse Cycles

Typical number of regeneration cycles before replacement

Technical Specifications

Detailed specifications for GAC-AU Series Gold Recovery Carbon

Physical Characteristics

  • Appearance Black Granular
  • Raw Material Coconut Shell
  • Particle Size 6x12, 8x16 Mesh
  • Bulk Density 0.48-0.52 g/cm³
  • Moisture Content ≤3% (as packed)

Size Specifications

  • Standard Sizes 6x12, 8x16 Mesh
  • Size Retention ≥90% (+12 mesh)
  • Fines Content ≤1% (-16 mesh)
  • Custom Sizes Available on request

Gold Adsorption Performance

  • Gold Loading Capacity ≥ 6 kg Au/ton carbon
  • Adsorption Rate ≥ 98% efficiency
  • Equilibrium Time 15-30 minutes
  • Specific Surface Area 1000-1200 m²/g
  • Pore Volume 0.6-0.8 cm³/g

Chemical Properties

  • pH Value 7-10 (1% slurry)
  • Ash Content ≤ 5%
  • Iodine Number 1000-1100 mg/g
  • CCl₄ Activity ≥ 60%

Durability & Strength

  • Hardness ≥ 98%
  • Attrition Loss ≤ 3%
  • Abrasion Resistance ≥ 95%
  • Impact Resistance ≥ 90%

Regeneration Performance

  • Regeneration Efficiency ≥ 95%
  • Reuse Cycles 4-6 cycles typical
  • Elution Efficiency ≥ 99% gold recovery
  • Thermal Stability Up to 800°C

Packaging Specifications

  • Standard Packaging 25kg bags
  • Bulk Packaging 500kg/1000kg bags
  • Container Load 20-22 tons/40ft container
  • Special Packaging Moisture-proof available

Ordering Information

  • Minimum Order 5 tons
  • Samples Available Free (2-5kg)
  • Lead Time 10-20 working days
  • Custom Formulations Available on request
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Operational Benefits

Key advantages for gold mining and recovery operations

Maximized Gold Recovery

High adsorption capacity and selective surface chemistry ensure maximum gold recovery from cyanide solutions, directly impacting operational profitability and resource utilization efficiency.

Reduced Operating Costs

Excellent mechanical strength and abrasion resistance minimize carbon losses, while efficient regeneration capabilities allow for multiple reuse cycles, significantly reducing consumable costs over time.

Increased Process Efficiency

Rapid adsorption kinetics and optimized particle size distribution reduce contact time requirements, allowing for smaller contact tank volumes or higher throughput in existing systems.

Sustainable Operations

High regeneration efficiency and multiple reuse cycles reduce waste generation and carbon consumption, supporting more sustainable mining operations with lower environmental impact.

Operational Reliability

Consistent performance across multiple regeneration cycles and tolerance to varying process conditions ensures stable operation and predictable recovery rates in challenging mining environments.

Technical Support

Comprehensive technical assistance including process optimization, troubleshooting, and customized solutions tailored to specific mining operations and recovery requirements.

Ready to Optimize Your Gold Recovery Process?

Contact our mining solutions specialists for technical consultation, process optimization recommendations, and customized solutions for your specific gold recovery operations.

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