ALEXANDRIA, Va., Nov. 6 -- United States Patent no. 12,458,917, issued on Nov. 4, was assigned to IVYS ADSORPTION INC. (Blainville, Canada).
"System for recovering methane from a biogas" was invented by Cristian Stefan Iuhas (Blainville, Canada), Richard Peter Glynn Jewell (Blainville, Canada), Alberto Torres (Blainville, Canada) and Babak Shirani (Blainville, Canada).
According to the abstract* released by the U.S. Patent & Trademark Office: "A system for recovering methane from a biogas comprises a pressure swing adsorption (PSA) unit, a biogas inlet, a gas mixer and a surge tank. The PSA unit recovers methane from the biogas and directs one fraction of the recovered methane toward a product gas outlet. The PSA unit directs another frac...