Oxygen plays a central role across multiple refinery stages:
✔ Oxidizing Base Metals
Speeds up oxidation of copper, iron, zinc, and lead
Helps separate impurities from molten gold
✔ Increasing Furnace Temperature
Enriched combustion leads to higher thermal efficiency
Reduces fuel usage and improves melting kinetics
✔ Improving Chlorination and Chemical Refining
Supports chlorine regeneration
Stabilizes oxidation-reduction potential
Enhances dissolution and impurity removal efficiency
✔ Supporting Electrorefining and Precipitation
Ensures optimal oxidation conditions for chemical reactions
Helps control metal speciation and solution chemistry
Stable high-purity oxygen directly improves gold purity, reduces cycle time, and lowers reagent costs.
Key Features
✔ On-Site, Continuous Supply
Eliminates reliance on cylinder or liquid oxygen deliveries.
✔ Energy-Efficient PSA Technology
Low power consumption with long-life molecular sieves.
✔ Built for Metal Refinery Environments
High-temperature compatible materials
Oxygen-clean piping
Dust- and corrosion-resistant construction
✔ Fully Automated PLC Control
Purity monitoring
Flow/pressure stabilization
Remote diagnostics and SCADA connectivity
✔ Modular & Expandable
Plant capacity can be expanded as refining throughput increases.
high quality
Advanced Equipment
Professional Team
One-Stop Solution
1) PSA Oxygen Production
Ambient air is compressed and passed through adsorption towers
where nitrogen is removed, leaving an oxygen-rich gas.
2) Oxygen Storage & Buffering
Ensures stable pressure and flow during periods of varying furnace or chemical process demand.
3) Oxygen Distribution to Refinery Units
Melting furnace oxidizer
Induction or gas-fired furnace combustion enhancement
Chlorination reactors
Aqua regia dissolution systems
Silver and platinum group metal refining cells
4) Intelligent Oxygen Control
Automatically adjusts output based on refining load, temperature, or ORP feedback.
Benefits for Gold Refinery Operations
1. Higher Gold Purity
Controlled oxygen improves removal of:
Base metals
Silicates
Sulfides
Energy-intensive impurities
2. Faster Refining and Melting
Oxygen-enriched combustion accelerates melting and oxidation reactions.
3. Lower Fuel and Chemical Consumption
Reduced natural gas or diesel usage
Optimized chlorine or nitric acid consumption
Improved reagent efficiency in wet chemistry
4. Stable, Reliable Refinery Operation
24/7 continuous oxygen generation prevents production interruptions.
5. Reduced Operating Costs
No transport, rental, or evaporation losses associated with liquid oxygen.
6. Safer and Cleaner Gold Production
No cryogenic storage hazards
Reduced emissions
Improved furnace efficiency
Technical Specifications
| Item | Specification |
|---|---|
| Oxygen Purity | 90–95% |
| Flow Rate | 10–3,000 Nm³/hr |
| Outlet Pressure | 0.2–1.0 MPa (up to 3.0 MPa with booster) |
| Technology | PSA Oxygen Generation |
| Installation | Skid-Mounted / Containerized / On-Site Plant |
| Operation Mode | 24/7 Continuous |
| Power Supply | 380/400/440V, 50/60 Hz |
| Automation | PLC + SCADA |
Applications in Gold Refining
✔ Green Gold Extraction Plants (Non-Cyanide)
Oxygen supports oxidation reactions required for alternative lixiviants.
✔ Bio-Oxidation Pre-Treatment Systems
Strengthens microbial oxidation of sulfide-bearing refractory ores.
✔ Thiosulfate Leach Tanks
Improves dissolution rate and reduces reagent consumption.
✔ Heap Leaching with Non-Cyanide Agents
Pipeline oxygen injection increases permeability and oxidation in deeper layers.
✔ Pilot Plants & R&D Facilities
Stable oxygen supply for process development and testing.
System Configurations
Compact Refinery Oxygen Module
For small and mid-size gold refineries.
Industrial Refinery Oxygen Station
For large refinery operations requiring high and stable oxygen volumes.
Containerized Oxygen Plant
Plug-and-play design for remote or newly constructed refinery sites.
Safety & Compliance
Designed according to industrial oxygen standards with:
Oxygen-clean components
Overpressure protection
Purity alarms
Fire safety design
Comprehensive interlock system
Compliant with ISO and industrial gas safety norms.
Installation & Maintenance
Installation Support
On-site commissioning
Pipeline and furnace integration
Remote configuration
Maintenance Requirements
Minimal service needed
Regular filter replacement
5–10 year molecular sieve lifespan
Why Gold Refineries Choose This System
✓ Purpose-engineered for metallurgical refining
✓ Reliable, stable oxygen supply
✓ Lower operating cost and higher operational safety
✓ Enhances refining purity and efficiency
✓ Ready for expansion and long-term operation
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