Mobile or stationary equipment, apparatus and installations for the production, recovery, separation, filtration, refinement, purification, liquefaction, processing and distribution of biofuels, gases, fuel gases, renewable gases, biogas, biomethane, syngas, natural gas for vehicles, liquefied natural gas, liquefied biomethane, namely, air and gas purification, transformation or filtration apparatus and machines; mobile or stationary equipment, apparatus and installations for the separation, ...