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Efficient production of levulinic acid using metal-organic framework catalyst: Role of bronsted acid and flexibility

Authors
Lee, Bo WooSeo, Jin YoungJeong, KeunhongChoi, JungkyuCho, Kie YongCho, SanghoBaek, Kyung-Youl
Issue Date
15-9월-2022
Publisher
ELSEVIER SCIENCE SA
Keywords
Metal-organic frameworks (MOFs); Biomass; Levulinic acid; Bronsted acid; Alkyl spacer
Citation
CHEMICAL ENGINEERING JOURNAL, v.444
Indexed
SCIE
SCOPUS
Journal Title
CHEMICAL ENGINEERING JOURNAL
Volume
444
URI
https://scholar.korea.ac.kr/handle/2021.sw.korea/143730
DOI
10.1016/j.cej.2022.136566
ISSN
1385-8947
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 Bronsted 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 Bronsted 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 Bronsted acid group using MOF was first discovered for biomass conversion.
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공과대학 (화공생명공학과)
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