High-purity oxygen generator OXYBERG®

industrialfor the metallurgical industryPSA

Overview
On-site oxygen production for cyanide-leaching and CIL/CIP processes in gold mining to boost recovery rates and reduce reagent consumption. Berg GaseTech supplies PSA/VPSA oxygen generators engineered for continuous, high-purity oxygen delivery and site-specific customization.

Key statements

• O₂ purity: 93–95 %
• Gold recovery improvement: +15 % (reported)
• Continuous supply: 24/7 auto-adjusting to demand

Benefits

• Improved gold recovery and reduced cyanide consumption
• Lower dependency on cylinder or liquid oxygen deliveries, reducing transport emissions and logistics complexity
• Steady, on-demand oxygen supply for remote and continuous operations
• Reduced operational costs related to procurement and transport of oxygen

Product advantages

• Tailored solutions for gold leaching: configurable flow rates and purity to match process requirements
• Effortless integration: plug-and-play design for easy connection to existing CIL/CIP circuits
• Minimal maintenance: compact, service-friendly units designed to limit downtime
• Proven technology and materials for long service life
• High energy efficiency: PSA systems optimized for operational cost savings

Technological aspects

• Primary technologies: PSA (Pressure Swing Adsorption) and VPSA (Vacuum Pressure Swing Adsorption)
• PSA systems noted for cost-effectiveness and simple operation
• Systems configurable for various flow rates and purity specifications

Role in gold leaching
Oxygen accelerates cyanide leaching reactions, improving gold dissolution, increasing recovery rates and reducing processing times. On-site oxygen generation reduces reliance on external deliveries and associated costs and environmental impacts.

Applications

• Cyanide leaching processes including CIL (Carbon-in-Leach) and CIP (Carbon-in-Pulp)
• Remote gold mine sites where on-site oxygen reduces logistics and improves sustainability

Technical characteristics / specifications

• O₂ purity: 93–95 % (typical)
• Operational mode: continuous 24/7, auto-adjusting to demand
• Technology: PSA / VPSA
• Manufacturing origin: Manufactured in Germany
• Performance note: reported gold recovery improvement up to +15 % (case-dependent)
• Customization: selectable flow rates and purity levels to meet site requirements
• Maintenance: low-maintenance design for reduced downtime
• Integration: plug-and-play for straightforward integration into processing plants
• Environmental/operational advantages: reduces transport emissions and logistical complexity by enabling on-site oxygen production