Key Features
✔ High-Purity, On-Site Oxygen
Oxygen purity adjustable between 90%–95%, suitable for POX reactor demands.
Eliminates LOX transportation and storage risks.
✔ Built for Autoclave Environments
Stable delivery up to 40 bar with high-pressure compression.
Oxygen flow automatically matches autoclave consumption curves.
✔ High-Reliability PSA/TSA Adsorption Technology
Dual-stage purification ensures purity stability.
Long-life, industrial molecular sieves with minimal maintenance demand.
✔ Modular and Expandable Design
Capacity range 100 to 10,000 Nm³/hr.
Supports multi-autoclave configurations and future mine expansion.
✔ Low Energy Consumption & Low OPEX
PSA technology reduces operating costs by 30–60% compared with delivered LOX.
Optional VFD compressors further cut power usage.
How the System Works
1) PSA Oxygen Production Unit
Uses selective adsorption to remove nitrogen and moisture.
Produces stable oxygen flow suitable for POX processing.
2) High-Pressure Compression Module
Multi-stage oxygen compressors deliver required pressure for autoclave injection.
Includes cooling system and oxygen-compatible materials to ensure safety.
3) Oxygen Buffer Storage
Stabilizes flow during peak load changes in the POX cycle.
4) Intelligent Control System
PLC + SCADA automation
Real-time monitoring of purity, pressure, and flow
Auto-adjust output based on autoclave retention time & slurry chemistry
Application in Gold Mine POX
Designed for refractory gold ore processes including:
- High-pyrite gold ores
- Arsenopyrite-bearing ores
- Double refractory ores
- Carbonaceous refractory concentrates
- Multi-sulfide mixed ores
Used across the POX plant:
- Autoclave oxygen injection
- Pre-oxidation tanks
- Gas-lift circulation systems
- Downstream leaching stages requiring enhanced oxidation
Benefits for Gold Mining Operations
1. Improved Gold Recovery Efficiency
Stable oxygen feed enhances:
Sulfide → Sulfate oxidation rate
Breakdown of arsenic and iron compounds
Release of encapsulated sub-micron gold
2. Lower Operating Costs
Zero LOX transport costs
No cryogenic storage
Reduced cyanide and lime consumption downstream
3. Higher Autoclave Throughput
More efficient reaction kinetics
More predictable retention time
Improved oxidized discharge quality
4. Safer and Greener Operation
No handling of liquid oxygen
Reduced transportation-related emissions
Supports ESG and green mining requirements
Technical Specifications
| Specification | Value |
|---|---|
| Oxygen Purity | 90–95% |
| Capacity Range | 100–10,000 Nm³/hr |
| Outlet Pressure | Up to 40 bar (with booster compressor) |
| Technology | PSA / PSA+TSA purification |
| Power Supply | 380V/400V/440V, 50/60Hz |
| Automation | PLC + SCADA Remote Control |
| Installation Options | Skid-mounted / Containerized / Stationary plant |
| Operating Mode | 24/7 continuous operation |
Safety & Compliance
The system incorporates:
Oxygen-clean materials
Fire-resistant piping
Pressure relief valves
Purity and pressure alarms
Compliance with industrial gas safety standards
System Configurations
Option A – Containerized POX Oxygen Plant
Fully integrated 20ft/40ft containers
Fast deployment for remote mines
Option B – Skid-Mounted Industrial Unit
Ideal for medium and large-scale POX plants
Easy installation and expansion
Option C – Full Station Oxygen Facility
Custom oxygen station built for multi-autoclave sites
High capacity and long-term stability
✓ Tailor-made for POX industrial conditions
Not a general oxygen system-purposely engineered for autoclave gold extraction.
✓ High reliability for 24/7 mining operations
Redundant adsorption towers and compressor systems ensure uninterrupted oxygen supply.
✓ Expandable, flexible, and future-proof
Supports capacity upgrades without system replacement.
✓ Improves overall gold recovery and reduces production cost
A direct contributor to higher yield and lower operating expenses.
Optional Add-On Systems
High-pressure oxygen booster
Large-capacity oxygen buffer tanks
Energy-saving VFD compressor package
Acoustic insulation & noise reduction
Harsh-climate protection systems (Arctic / Desert / Tropical)
Typical Use Cases
Suitable for POX projects at:
New refractory ore gold mines
Existing flotation plants adding POX
Mines transitioning from roasting to POX
Expansion of current POX capacity
Remote mining areas lacking LOX supply chain
Installation & Maintenance
Installation Support
On-site commissioning
Integration with autoclave oxygen feed lines
SCADA connectivity with mine control center
Maintenance Highlights
Filters replaced every 3–6 months
Molecular sieve lifespan 5–10 years depending on conditions
Routine inspections guided by system software
Low scheduled downtime ensures continuous POX operation.
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