Aquivion-Based Spray Freeze-Dried Composite Materials for the Cascade Production of γ-Valerolactone.

Autor: Allegri A; Department of Industrial Chemistry, C3-Centre for Chemical Catalysis, CIRI-FRAME, Alma Mater Studiorum - University of Bologna, Viale Risorgimento 4, 40136, Bologna, Italy., Saotta A; Department of Industrial Chemistry, C3-Centre for Chemical Catalysis, CIRI-FRAME, Alma Mater Studiorum - University of Bologna, Viale Risorgimento 4, 40136, Bologna, Italy., Liuzzi F; Department of Industrial Chemistry, C3-Centre for Chemical Catalysis, CIRI-FRAME, Alma Mater Studiorum - University of Bologna, Viale Risorgimento 4, 40136, Bologna, Italy., Gianotti E; Department for Sustainable Development and Ecological Transition, Università del Piemonte Orientale, P.zza Sant'Eusebio 5, 13100, Vercelli, Italy., Paul G; Department of Science and Technological Innovation, Università del Piemonte Orientale, Via T. Michel 11, 15100, Alessandria, Italy., Cattaneo AS; R&D Centre, Solvay Specialty Polymers Spa, Viale Lombardia 20, 20021, Bollate, Italy., Oldani C; R&D Centre, Solvay Specialty Polymers Spa, Viale Lombardia 20, 20021, Bollate, Italy., Brigliadori A; CNR-ISSMC, Institute of Science, Technology and Sustainability for Ceramics, National Research Council of Italy, Via Granarolo, 64, 48018, Faenza, Italy., Zanoni I; CNR-ISSMC, Institute of Science, Technology and Sustainability for Ceramics, National Research Council of Italy, Via Granarolo, 64, 48018, Faenza, Italy., Fornasari G; Department of Industrial Chemistry, C3-Centre for Chemical Catalysis, CIRI-FRAME, Alma Mater Studiorum - University of Bologna, Viale Risorgimento 4, 40136, Bologna, Italy., Dimitratos N; Department of Industrial Chemistry, C3-Centre for Chemical Catalysis, CIRI-FRAME, Alma Mater Studiorum - University of Bologna, Viale Risorgimento 4, 40136, Bologna, Italy., Albonetti S; Department of Industrial Chemistry, C3-Centre for Chemical Catalysis, CIRI-FRAME, Alma Mater Studiorum - University of Bologna, Viale Risorgimento 4, 40136, Bologna, Italy.
Jazyk: angličtina
Zdroj: ChemSusChem [ChemSusChem] 2024 Jul 22; Vol. 17 (14), pp. e202301683. Date of Electronic Publication: 2024 Jun 10.
DOI: 10.1002/cssc.202301683
Abstrakt: The development of multifunctional catalysts is a necessary step to effectively carry out one-pot cascade reactions, such as that from furfural to γ-valerolactone. This research effort faces the challenge posed by the intrinsic limit of how many kinds of catalytic sites a single material can bear. In this work, the application of Spray-Freeze Drying (SFD) as a synthetic technique for the preparation of a wide range of innovative composite multi-functional catalysts is reported. Herein we show that by the proper combination of Aquivion as a highly active Brønsted acid catalyst and metal oxides as both support materials and Lewis acids (LAS) enable to achieve highly unique efficient and effective dual acid composite catalysts that are able to carry out the cascade reaction from furfural to γ-valerolactone. The dual catalytic system comprised of Aq/ZrO 2 with 30 % polymer content prepared via spray-freeze drying exhibited GVL yields of 25 % after only 2 h at 180 °C and a remarkably high productivity of 4470 μmol GVL  g Cat -1  h -1 , one of the highest reported results. Mechanistic studies based on experimental and advanced characterisation and spectroscopic techniques, such as, SEM, TEM, 15 N MAS NMR and 19 F MAS NMR indicate that activity arises from the proper tuning of BAS/LAS (Brønsted Acid Site/Lewis Acid Site) acidic properties.
(© 2024 Wiley-VCH GmbH.)
Databáze: MEDLINE
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