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Membrane Biogas Upgrading
State of the Art Technology for Biogas Upgrading
Page last modified
August 4 2023
Gas separation membranes are often successfully used in industry for the separation of gases such as hydrogen purification, the production of nitrogen, the removal of carbon dioxide, moisture, and other substances.
Gas separation is based on the difference in the permeability of the molecules of different sizes by the membrane. The size of the molecules, the pressure difference between the inlet and permeate side, as well as the temperature of the gas, are the main driving forces for the separation of the gases.
The membranes have proven to be reliable and easy to use.
Pro/con
High methane efficiency possible (methane losses < 0.5%)
Low product gas losses, therefore more m³ upgraded gas
Compact and simple process
No heat use
Dry process, no use of water or chemicals
Re-use of CO₂ possible (CO₂ purity > 98%)
Reliable setup and equipment
Low operation and maintenance costs
Full automatic operation
No nitrogen removal from the biomethane
Specification
Accuracy
CO₂ removal down to 1%.
Capabilities
Methane losses down to 0.5% | 60 - 10.000 NM³/h
Areas of Application
Biogas from WWTP | Digesters | Co fermentation | Gas from gasification
Certification/ Licenses
Pressure Equipment Directive | Machinery Directive | Electrical Installations Directive | EMC Directive | Atex Directive | Zone Classification ATEX
Flexibility
Automatic adaptation to changing gasflows and qualities.
Maintenance
Low maintenance because of less moving elements.
Modular Design
Easy modular design because of membrane elements.
Application
50-10.000 Nm³/h biogas. | Production of green gas, biomethane, liquified CO₂, liquified biomethane.
Relative Business Impact
Reviews
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Technology Readiness Level
[9/9]
Development
Technology demonstration
Mature / Proven
Technologies Deployed By
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