Skip to main content
Select a step where Air Liquide intervenes in your value chain.


Air Liquide manufactures methane calibration gases designed to help you comply and accurately measure methane emissions from a landfill. Air Liquide's MEDAL™ biogas membrane system offers a unique solution for processing biogas and landfill gases. It is a simple way to selectively separate and recover valuable carbon-free methane and carbon dioxide.

Specialty Gases

Equipment for industrial gases

  • Biogas membrane

Equipment for Specialty gases

  • Accessories
  • Cylinder storage & accessories
  • Flow devices
  • Gas delivery systems
  • Gas detection
  • Process Panels & Panels controllers
  • Purifiers & Filters
  • Regulators

Equipment for Welding & Safety



  • MEDAL™

Gas supply modes