Pressure swing adsorption facility

Abstract

A pressure swing adsorption facility includes: a pyrolysis reactor forming a mixed gas by pyrolyzing methane; a compressor compressing the mixed gas; a pressure swing adsorption device purifying the mixed gas compressed by the compressor to separate the mixed gas into a product gas and an off-gas; a membrane process device separating the off-gas into a hydrogen-containing gas and a residual gas; and a flow channel providing a passage through which at least one of methane, the mixed gas, the product gas, the hydrogen-containing gas, and the off-gas, between the pyrolysis reactor, the compressor, the pressure swing adsorption device, and the membrane process device. The flow channel includes: a methane return path providing a passage for directing the residual gas to the pyrolysis reactor.

Dependencies are inferred from the claim text.