Membrane Biogas Upgrading

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4 Deploys

State of the Art Technology for Biogas Upgrading

Page last modified
February 22 2024

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.

Pros & Limitations
1
High methane efficiency possible (methane losses < 0.5%)
1
Low product gas losses, therefore more m³ upgraded gas
1
Compact and simple process
1
No heat use
1
Dry process, no use of water or chemicals
1
Re-use of CO₂ possible (CO₂ purity > 98%)
1
Reliable setup and equipment
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Low operation and maintenance costs
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Full automatic operation
0
No nitrogen removal from the biomethane
Specification
Specification Title Specification Description
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.

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Technology Readiness Level

The Technology Readiness Level (TRL) indicates the maturity level of novel technologies. Learn more about the TRL scale used by us.

[9/9]

Development Technology demonstration Mature / Proven
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Greenmac has been building knowledge and expertise on upgrading Biogas since 1987. We develop sophisticated technologies for upgrading biogas to biomethane.
Since Greenmac is part of the stable family owned Rootselaargroup, we have the possibility to advise and support our Clients in financing the systems with lease or flexible payment terms. We were the worldwide first to adapt VPSA technology for landfill gas upgrading, and also first with the Low Pressure CO₂ Absorption (LP Cooab®) technology. The membrane upgrading process completes our upgrading portfolio.

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