New

Military-grade activated carbon for CIP/CIL/CIC processes

Reinventing adsorption kinetics:

Gold loading capacity 350g/ton (0.5ppm stock solution, measured after 8 hours of CIP)

Gold adsorption rate increased by 40% (compared to traditional coconut shell charcoal, particle size 6×12 mesh)

Tolerance to extreme environments:

Ball hardness ≥ 98.5% (drum loss < 0.8%, industry average 5%)

Resistance to thiocyanate (SCN⁻) poisoning: Saturated adsorption capacity > 120mg/g

Revolutionary regeneration cycle:

5 thermal regenerations, activity retention ≥ 92% (industry-leading deactivated carbon recovery rate)

Acid wash regeneration wastewater treatment system: 99.99% cyanide degradation rate, zero discharge

Global mining landscape: From the Siberian permafrost to the Congo rainforest

Congolese high-arsenic gold mine case study

Challenge: Arsenic content > 200ppm, 60% reduction in gold loading capacity of traditional carbon

Kelin Solution:

Fe⁺-MnO₂ Dual-Loaded Carbon (Patent No.: ZL2025 1 025XXXX.X)

Arsenic adsorption capacity 45 mg/g, gold recovery rate increased from 78% to 94%

Economic Benefit: Annual antidote cost savings of $1.2M

Breakthrough in Deep Mineral Veins in Western Australia

Pain Points: Slurry pressure > 8 MPa, carbon fragmentation rate > 12%

Kelin Solution:

Spherical carbon (Φ4 mm) + titanium alloy-grade hardness treatment

High-pressure adsorption tower: Measured fragmentation rate < 0.5%

Coconut Shell Enhancement: Absolute Control from Raw Material to Porosity

Raw Material Traceability:

Using only virgin shells from Philippine century-old coconut trees (shell thickness ≥ 3 mm, carbon density 0.62 g/cm³)

Pore Engineering:

Laser Etching Directed Pore Enlargement: Mesopore Content > 65% (Compatible with Au(CN)₂⁻) 0.5nm diameter)

Surface area 1500m²/g (BET measured, error ≤±2%)

Sustainable Mining Solutions: A Green Commitment for Every Gram of Carbon

Closed Regeneration System:

Scrap carbon recovery rate ≥95%, hazardous waste reduction 90% (compliant with ISO 14046 water footprint standard)

Heat recovery technology: Reduction of regeneration energy consumption by 40%

Zero-carbon supply chain:

Asia-Pacific factory powered by 100% green electricity, carbon footprint <50kg CO₂e per ton

72-hour global operational logistics: Mining has never been more agile

Three Strategic Hubs:

Africa (Bonded Warehouse in Johannesburg, South Africa)

Americas (Port of Antofagasta, Chile)

Asia-Pacific (Changi Logistics Center, Singapore)

Extreme Delivery Case Study:

2025 Papua New Guinea Mine Disaster Emergency: 56 tons of KC-GoldMax™ airlifted to the mine within 42 hours

Why the World’s Top 20 Gold Mines Choose Kelin

Adsorption kinetics: Gold complex capture speed is 30% faster than its competitors.

Circular economy: Gold cost per ton is reduced by 17% after five regeneration cycles.