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AIRRANE for Biogas
Schematic Diagram
Biogas has continued to grow as a next-generation energy source; it is a clean, renewable alternative to natural gas for gas grid, power generation, or even motor fuel. Usually obtained from the anaerobic digestion of organic matters at waste processing plants and landfill sites, biogas requires additional refinement to increase the concentration of methane (CH4). AIRRANE’s membrane separation technology offers a cost-effective solution with high methane recovery rate which makes biogas an efficient and affordable source of renewable energy.
Key Applications
  • Food Waste Processing Plant

  • Landfill Site

  • Waste Water
    Processing Plant

    • Waste Management Facility
      at Brewery

    • Slurry & Manure Processing
      at Farms

    • Crops and Residue
      from Agricultural Production

    • Why Membrane for Biogas?
    • · Does not require frequent replacement of chemical ingredients

      · Can operate in mid-pressure process (under 10 barg)

      · Less pressure loss

      · Simple operation and low maintenance requirements

      · Flexible operation allows for running adjustment

      · Possible to install for small-scale operation

      · Small foot-print

      · Easy up-scaling



    Method Cryogenic PSA Membrane
    Energy Requirement 0.32 kWh/Nm3 0.27kWh/Nm3 0.30kWh/Nm3
    CH4 concentration 95% + 95% + 95% +
    CH4 efficiency 95-98% 90-99% >95%
    Moisture Processing After Separation Before Separation Before Separation
    Secondary pollution and waste High High Low
    H2S co-removal Possible Not possible Possible
    H2O vapor co-removal Not possible Partially possible Possible
    N2 and O2 co-remova Not possible Partially possible Partially possible



    AIRRANE Product Specifications
    Model Number Dimension (mm) Connection (inch) Weight
    L OD ID Feed Retentate Permeate
    MCB-4060A 1580 150 112 1” 1” 1” 17kg
    MCB-6060A 1580 200 140 1.5” 1.5” 1.5” 29kg