title: Solid Molecular Phosphine Catalysts for Formic Acid Decomposition in the Biorefinery.
abstract: The co-production of formic acid during the conversion of cellulose to levulinic acid offers the possibility for on-site hydrogen production and reductive transformations. Phosphorus-based porous polymers loaded with Ru complexes exhibit high activity and selectivity in the base-free decomposition of formic acid to CO2 and H2 . A polymeric analogue of 1,2-bis(diphenylphosphino)ethane (DPPE) gave the best results in terms of performance and stability. Recycling tests revealed low levels of leaching and only a gradual decrease in the activity over seven runs. An applicability study revealed that these catalysts even facilitate selective removal of formic acid from crude product mixtures arising from the synthesis of levulinic acid.
authors.affiliation: Institut für Technische und Makromolekulare Chemie, RWTH Aachen University, Worringerweg 1, 52074, Aachen, Germany.
authors.forename: Peter J C
authors.identifier: 0000-0003-3470-4252
authors.initials: PJ
authors.lastname: Hausoul
authors.affiliation: Institut für Technische und Makromolekulare Chemie, RWTH Aachen University, Worringerweg 1, 52074, Aachen, Germany.
authors.forename: Cornelia
authors.initials: C
authors.lastname: Broicher
authors.affiliation: Institut für Technische und Makromolekulare Chemie, RWTH Aachen University, Worringerweg 1, 52074, Aachen, Germany.
authors.forename: Roberta
authors.initials: R
authors.lastname: Vegliante
authors.affiliation: Institut für Technische und Makromolekulare Chemie, RWTH Aachen University, Worringerweg 1, 52074, Aachen, Germany.
authors.forename: Christian
authors.initials: C
authors.lastname: Göb
authors.affiliation: Institut für Technische und Makromolekulare Chemie, RWTH Aachen University, Worringerweg 1, 52074, Aachen, Germany. palkovits@itmc.rwth-aachen.de.
authors.forename: Regina
authors.identifier: 0000-0002-4970-2957
authors.initials: R
authors.lastname: Palkovits
keywords: formic acid; hydrogen; phosphines; porous polymers; ruthenium