title: Direct conversion of methane to aromatics in a catalytic co-ionic membrane reactor.
abstract: Nonoxidative methane dehydroaromatization (MDA: 6CH4 ↔ C6H6 + 9H2) using shape-selective Mo/zeolite catalysts is a key technology for exploitation of stranded natural gas reserves by direct conversion into transportable liquids. However, this reaction faces two major issues: The one-pass conversion is limited by thermodynamics, and the catalyst deactivates quickly through kinetically favored formation of coke. We show that integration of an electrochemical BaZrO3-based membrane exhibiting both proton and oxide ion conductivity into an MDA reactor gives rise to high aromatic yields and improved catalyst stability. These effects originate from the simultaneous extraction of hydrogen and distributed injection of oxide ions along the reactor length. Further, we demonstrate that the electrochemical co-ionic membrane reactor enables high carbon efficiencies (up to 80%) that improve the technoeconomic process viability.
authors: CoorsTek Membrane Sciences, Forskningsparken, Gaustadalléen 21, NO-0349 Oslo, Norway. Department of Chemistry, University of Oslo, FERMiO, Gaustadalléen 21, NO-0349 Oslo, Norway.
authors: S H
authors: SH
authors: Morejudo
authors: Instituto de Tecnología Química, Universitat Politècnica de València-Consejo Superior de Investigaciones Científicas, Avenida de los Naranjos, s/n 46022 Valencia, Spain.
authors: R
authors: R
authors: Zanón
authors: Instituto de Tecnología Química, Universitat Politècnica de València-Consejo Superior de Investigaciones Científicas, Avenida de los Naranjos, s/n 46022 Valencia, Spain.
authors: S
authors: S
authors: Escolástico
authors: CoorsTek Membrane Sciences, Forskningsparken, Gaustadalléen 21, NO-0349 Oslo, Norway.
authors: I
authors: I
authors: Yuste-Tirados
authors: CoorsTek Membrane Sciences, Forskningsparken, Gaustadalléen 21, NO-0349 Oslo, Norway.
authors: H
authors: H
authors: Malerød-Fjeld
authors: CoorsTek Membrane Sciences, Forskningsparken, Gaustadalléen 21, NO-0349 Oslo, Norway.
authors: P K
authors: PK
authors: Vestre
authors: CoorsTek Membrane Sciences, Forskningsparken, Gaustadalléen 21, NO-0349 Oslo, Norway.
authors: W G
authors: WG
authors: Coors
authors: Instituto de Tecnología Química, Universitat Politècnica de València-Consejo Superior de Investigaciones Científicas, Avenida de los Naranjos, s/n 46022 Valencia, Spain.
authors: A
authors: A
authors: Martínez
authors: Department of Chemistry, University of Oslo, FERMiO, Gaustadalléen 21, NO-0349 Oslo, Norway.
authors: T
authors: T
authors: Norby
authors: Instituto de Tecnología Química, Universitat Politècnica de València-Consejo Superior de Investigaciones Científicas, Avenida de los Naranjos, s/n 46022 Valencia, Spain. jmserra@itq.upv.es ckjolseth@coorstek.com.
authors: J M
authors: JM
authors: Serra
authors: CoorsTek Membrane Sciences, Forskningsparken, Gaustadalléen 21, NO-0349 Oslo, Norway. jmserra@itq.upv.es ckjolseth@coorstek.com.
authors: C
authors: C
authors: Kjølseth