CryoPur is a French company specializing in advanced cryogenic technology for biogas purification and liquefaction. Founded in 2015, the company developed a patented process that converts raw biogas into bio-LNG (liquefied biomethane) and liquid CO2 of very high purity. Their systems are used in agricultural, industrial, wastewater, and landfill biogas facilities. CryoPur was acquired by FDE (La Française de l’Énergie), which now owns 94% of the company. CryoPur is headquartered in Massy, Île-de-France, France.