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Help CenterFine Gold Recovery CIL Plant | High-Efficiency Leaching for Fine-Grained Gold Ore
Product Spotlights
2. Universal CIL line for all gold ores.
3. Flexible capacity: 20–5000 TPD.
4. Low power & reagent cost, high efficiency.
5. Anti-corrosion structure for longer service life.
6. Carbon recycling cuts operational consumption.
7. Intelligent control, easy & labor-saving operation.
8. Combined process enables stable 24h running.
9. Globally proven & mine-adaptable CIL technology.
10. Full one-stop turnkey mining solution.
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1. Product Description
The Fine Gold Recovery CIL Plant is an upgraded customized carbon-in-leach equipment specially designed for fine-grained, micro-disseminated, wrapped and colloidal gold ore which is difficult to leach with conventional standard CIL devices. Ordinary equipment has low capture efficiency for ultra-fine gold below 200 mesh, while this set optimizes grinding, leaching environment and carbon adsorption structure to target fine gold loss.The complete production line consists of ultra-fine regrinding system, high-speed stirring sealed leaching tank group, high-precision carbon interception screening machine, low-loss high-flow adsorption system, enhanced desorption-electrolysis unit, high-efficiency carbon activation regeneration equipment, precise automatic dosing system and real-time intelligent monitoring system.The optional daily processing capacity covers 150TPD~6000TPD. It is widely used in hard rock oxidized ore, sulfide ore, tailings reprocessing projects in Ecuador, Africa and Southeast Asia. It solves the long-standing problem of fine gold runoff loss, and significantly improves the overall recovery rate of ultra-fine granular gold resources.
2. Working Principle
The basic framework adopts classic CIL synchronous leaching and adsorption process, and multi-stage strengthening measures are added for fine gold capture:
Ultra-fine grinding: Raw ore is crushed and ground repeatedly to ultra-fine particle size, fully dissociating wrapped fine gold from gangue minerals to eliminate physical embedding barriers of gold particles.
Pulp conditioning: Stabilize pulp concentration, pH value and oxygen content, create a mild and efficient cyanide dissolution environment suitable for ultra-fine gold.
Enhanced synchronous leaching & adsorption: Intensive stirring accelerates the dissolution of fine gold into gold cyanide complex ions; improved large specific-area activated carbon continuously intercepts and adsorbs tiny gold ions to prevent fine gold from flowing away with tailings.
Loaded carbon collection: High-precision screening fully intercepts small-particle loaded carbon, avoiding carbon overflow and fine gold loss.
Intensive gold desorption & electrolysis: High-temperature and high-pressure enhanced desorption separates gold from activated carbon efficiently, electrolysis precipitates high-purity gold mud.
Carbon regeneration & circulation: Spent carbon is deeply activated and regenerated to restore adsorption capacity; waste pulp is detoxified and discharged up to standard.
3. Core Features
Excellent fine gold capture ability: Excellent recovery effect for gold particles of 200~400 mesh ultra-fine gold, greatly reducing tailing gold loss.
Ultra-fine dissociation design: Secondary regrinding configuration thoroughly unlocks encapsulated gold, laying foundation for high leaching rate.
Optimized leaching efficiency: High-speed oxygen-rich stirring shortens leaching cycle, improves daily processing efficiency without extending tank occupation time.
Low carbon loss: Precision screening structure greatly reduces broken carbon outflow, lowering carbon consumption and production cost.
Stable high recovery rate: Comprehensive recovery rate of fine-grained gold ore reaches 93.5%~98%, 4%~9% higher than ordinary standard CIL equipment.
Intelligent precise dosing: Automatic reagent adjustment keeps cyanide consumption low, reducing chemical waste.
Strong ore compatibility: Applicable to oxidized ore, sulfide ore, old tailings, mixed complex ore containing plenty of fine gold.
Easy overseas popularization: Modular split assembly, suitable for shipping to Ecuador and other South American mines, matched with professional technical guidance.
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