Efficient production of levulinic acid using metal–organic framework catalyst: Role of brønsted acid and flexibility

Bo Woo Lee, Jin Young Seo, Keunhong Jeong, Jungkyu Choi, Kie Yong Cho, Sangho Cho, Kyung Youl Baek

Research output: Contribution to journalArticlepeer-review

1 Citation (Scopus)

Abstract

Alternative commodity production utilizing biomass has attracted significant interest in recent decades. The conversion of glucose into valuable products has been highly researched owing to its abundance, price competitiveness, and carbon–neutral cycle. In this study, various types of Brønsted acid groups, according to their pKa values and specific alkyl spacers, were impregnated into UiO-66, and the catalytic activity for levulinic acid (LA) production from glucose was investigated. Moreover, by controlling the reaction temperature, we demonstrated that the UiO-66-NH-R-SO3H catalyst with the strongest Brønsted acid and desired alkyl spacer can produce LA in a 71.6% yield. To the best of our knowledge, the effect of an alkyl spacer and a Brønsted acid group using MOF was first discovered for biomass conversion.

Original languageEnglish
Article number136566
JournalChemical Engineering Journal
Volume444
DOIs
Publication statusPublished - 2022 Sep 15

Keywords

  • Alkyl spacer
  • Biomass
  • Brønsted acid
  • Levulinic acid
  • Metal–organic frameworks (MOFs)

ASJC Scopus subject areas

  • Chemistry(all)
  • Environmental Chemistry
  • Chemical Engineering(all)
  • Industrial and Manufacturing Engineering

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