High-purity oxygen generator OXYBERG®

high-concentrationfor biogas plantPSA

Overview Reliable on-site oxygen generation for anaerobic digestion support, H₂S desulphurisation, combustion tuning in CHP units and biomethane upgrading. PSA oxygen systems deliver continuous O₂ supply without recurring liquid oxygen deliveries or cylinder logistics, improving process control and plant availability.

Technical applications for biogas oxygen enrichment

• Aerobic post-treatment: Controlled oxygen dosing supports biological polishing stages and on-site wastewater treatment.
• Combustion optimisation: Stable O₂ supply enables precise tuning of burners, boilers, flares and CHP combustion processes.
• H₂S desulphurisation: Micro-aeration can favour biological conversion of hydrogen sulphide to elemental sulphur when dosage is accurately controlled.
• Biomethane upgrading: On-site oxygen integrates with gas conditioning and upgrading packages where a controlled oxygen source is required.

Key benefits of on-site PSA oxygen

• No recurring liquid oxygen deliveries or cylinder handling
• Continuous oxygen production matched to plant demand
• Compact skid- or container-mounted designs for new and existing sites
• Remote monitoring and control options for stable 24/7 operation
• Typical ROI potential of 12–24 months depending on oxygen consumption and local energy costs

PSA oxygen for biogas upgrading A PSA system separates oxygen from ambient air and supplies the plant via buffer storage, pressure control and metered dosing to support predictable operation and reduce dependency on delivered gases. System design includes PSA unit, buffer tank, compressor, air treatment and control package.

From assessment to operation

• Step 1: Verify biogas flow, oxygen demand, required pressure and target purity.
• Step 2: Specify PSA oxygen generator, buffer tank, compressor and control package.
• Step 3: Integrate dosing, safety valves, sensors and plant PLC.
• Step 4: Commission, train operators and optimise dosage based on process data.

BERG OXYBERG models and package examples Example references include OXYBERG® 1400, OXYBERG® 1500 and plug & play packages such as OXYBERG® 900 Plug & Play and OXYBERG® 1000 Plug & Play. Final selection depends on flow, purity, pressure and site conditions.

Technical configuration of a biogas oxygen skid (summary) Oxygen purity: Typically 90–95% O₂, model-dependent
Generator capacity: Selected according to required Nm³/h oxygen flow
Oxygen output pressure: [Confirm for selected generator and process]
Specific energy demand: [Calculate for selected purity, pressure and load profile]
Ambient temperature: [Confirm indoor, outdoor or container operating range]
Control system: Automatic operation with project-specific PLC interface options
Process monitoring: Oxygen purity, pressure and optional flow monitoring
Remote access: [Available depending on control package]
Maintenance interval: [Confirm from selected model and operating conditions]
Compressed-air quality: Project-specific treatment; ISO 8573-1 class to be confirmed
Installation concept: Standalone, skid-mounted or containerized
Conformity and standards: [Confirm applicable CE requirements and project standards]

Technical specifications

• Oxygen purity: Typically 90–95% O₂ (model-dependent)
• Generator capacity: Configured to required Nm³/h oxygen flow
• Oxygen output pressure: Project-specific (to be confirmed)
• Specific energy demand: Dependent on purity, pressure and load profile
• Operating ambient temperature: Indoor, outdoor or container ranges (to be confirmed)
• Control: Automatic operation with PLC interface options
• Process monitoring: Purity, pressure and optional flow monitoring
• Remote access: Available depending on selected control package
• Maintenance interval: To be confirmed per model and conditions
• Compressed-air quality: Project-specific treatment, ISO 8573-1 class to be confirmed
• Installation: Standalone, skid-mounted or containerized solutions
• Standards & conformity: CE and project-specific standards to be confirmed