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Efficient Furfuryl Alcohol Synthesis from Furfural over Magnetically Recoverable Catalysts: Does the Catalyst Stabilizing Medium Matter?
Author(s) -
Alibegovic Kenan,
Morgan David Gene,
Losovyj Yaroslav,
Pink Maren,
Stein Barry D.,
Kuchkiina V.,
Serkova Elena S.,
Salnikova Kseniya E.,
Shifrina Zinaida B.,
Matveeva Valentina G.,
Sulman Esther M.,
Bronstein Lyudmila M.
Publication year - 2017
Publication title -
chemistryselect
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.437
H-Index - 34
ISSN - 2365-6549
DOI - 10.1002/slct.201701100
Subject(s) - furfural , furfuryl alcohol , catalysis , selectivity , chemistry , magnetite , solvent , nanoparticle , solubility , chemical engineering , organic chemistry , nuclear chemistry , materials science , engineering , metallurgy
We report hydrogenation of furfural (FF) to furfuryl alcohol (FA) with novel Pt‐and Pd‐containing magnetite nanoparticles (NPs) stabilized by polyphenylquinoxaline (PPQ) and hyperbranched pyridylphenylene polymer (PPP). FF is one of the major ingredients of biooil produced by biomass pyrolysis, while FA is a source of value‐added chemicals, thus, creating a sustainable path from biomass to important compounds. We demonstrate that catalytic NPs (Pt 0 or Pd 0 ) of approximately 3 nm in diameter form in the polymer shells of magnetite NPs and the catalysts are magnetically recoverable. The search for optimal reaction conditions of the FF hydrogenation revealed that the highest selectivity is obtained at 120 °C and 6 MPa hydrogen pressure in i ‐propanol as solvent. The solvent effect is due to combination of good FF solubility and accessibility of catalytic NPs for the FF adsorption. A comparison of the catalytic activities of the Pd‐containing magnetite NPs stabilized by PPQ and PPP validates the advantages of the open and rigid structure of the hyperbranched PPP vs. linear PPQ. For Pd‐containing magnetite NPs stabilized by PPP, the high selectivity to FA of 99.3% at nearly 100% FF conversion was achieved at a remarkable activity of 871 min −1 and high catalyst stability.