Installations for producing, distributing, separating, purifying and liquefying gas, namely, methane gas recycling systems comprised primarily of one or more of the following pieces of equipment, namely, pressure swing adsorption equipment, temperature swing adsorption equipment, perm selective membrane equipment, distillation equipment, for the recovery, purification and return of gases in industrial applications

Processing, recycling and energy extraction (power generation) of biogas; information on biogas processing, recycling and energy reclamation (energy production); fuel transformation for energy generation; waste treatment with energy reclamation and via methanization