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  Continuous-flow production of isosorbide from aqueous-cellulosic derivable feed over sustainable heterogeneous catalysts

Brandi, F., Khalil, I., Antonietti, M., & Al-Naji, M. (2021). Continuous-flow production of isosorbide from aqueous-cellulosic derivable feed over sustainable heterogeneous catalysts. ACS Sustainable Chemistry & Engineering, 9(2), 927-935. doi:10.1021/acssuschemeng.0c08167.

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 Urheber:
Brandi, Francesco1, Autor           
Khalil, Ibrahim, Autor
Antonietti, Markus2, Autor           
Al-Naji, Majd1, Autor           
Affiliations:
1Majd Al-Naji, Kolloidchemie, Max Planck Institute of Colloids and Interfaces, Max Planck Society, ou_3050472              
2Markus Antonietti, Kolloidchemie, Max Planck Institute of Colloids and Interfaces, Max Planck Society, ou_1863321              

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Schlagwörter: Carbohydrates, Zeolites; Dehydration; Catalysts; Hydrogenation
 Zusammenfassung: Continuous-flow sorbitol dehydration in liquid water was performed on β zeolite (Si/Al molar ratio = 75) with conversion of 94 and 83 mol % isosorbide yield. This efficiency is due to the three-dimension pore architecture, high specific surface area (520 m2 g–1), and Brønsted acid sites of 69 μmol g–1. The pore size of β zeolite (6.6 × 6.7 Å2) is slightly larger than the cross section of sorbitol and isosorbide and enables an efficient diffusion of the reactant and product to/from the pores. Operation in continuous flow allows rapid dehydration of sorbitol to 1,4-sorbitan, after which the latter got converted to isosorbide. The high yield of isosorbide is attributed to the continuous removal of the formed products from the catalyst surface. Finally, direct isosorbide production from aqueous glucose solution via hydrogenation on Ni catalyst supported on nitrogen-doped carbon, followed by dehydration of the formed sorbitol to isosorbide, was pioneered.

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Sprache(n): eng - English
 Datum: 2020-12-312021
 Publikationsstatus: Erschienen
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 Identifikatoren: DOI: 10.1021/acssuschemeng.0c08167
BibTex Citekey: doi:10.1021/acssuschemeng.0c08167
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Titel: ACS Sustainable Chemistry & Engineering
  Kurztitel : ACS Sustain. Chem. Eng.
Genre der Quelle: Zeitschrift
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Ort, Verlag, Ausgabe: Washington, DC : American Chemical Society
Seiten: - Band / Heft: 9 (2) Artikelnummer: - Start- / Endseite: 927 - 935 Identifikator: ISSN: 2168-0485