Bifunctional mesoporous silica solid acids for transformation of glucose to 5-hydroxymethylfurfural
Lignocellulosic biomass is a promising renewable resource that can be converted into glucose, a precursor for the synthesis of high-value bio-chemicals, such as 5-hydroxymethylfurfural (HMF). However, the conversion of glucose to HMF using conventional liquid and solid acids is challenging due to th...
Saved in:
Main Author: | |
---|---|
Other Authors: | |
Format: | Article |
Published: |
2023
|
Subjects: | |
Online Access: | https://repository.li.mahidol.ac.th/handle/123456789/88838 |
Tags: |
Add Tag
No Tags, Be the first to tag this record!
|
Institution: | Mahidol University |
id |
th-mahidol.88838 |
---|---|
record_format |
dspace |
spelling |
th-mahidol.888382023-08-29T01:01:30Z Bifunctional mesoporous silica solid acids for transformation of glucose to 5-hydroxymethylfurfural Srida M. Mahidol University Chemistry Lignocellulosic biomass is a promising renewable resource that can be converted into glucose, a precursor for the synthesis of high-value bio-chemicals, such as 5-hydroxymethylfurfural (HMF). However, the conversion of glucose to HMF using conventional liquid and solid acids is challenging due to the formation of byproducts, leading to low HMF yield. In this study, bifunctional solid acid catalysts (named Al-SA-S15) consisting of aluminum (Al) as Lewis acid sites and sulfonic acid (SA) as Brønsted acid sites were prepared by direct synthesis. The catalysts were then evaluated for the transformation of glucose to HMF using a co-solvent medium of acetone and water. Among the catalysts tested, the 5Al-15SA-S15 catalyst with a Si/Al molar ratio of 5 and a 15 mol% of sulfonic acid groups achieved 95% conversion of glucose and a 51% yield of HMF. The 5Al-15SA-S15 catalyst was found to be stable under the studied conditions, with no leaching of acidic groups observed. It could be easily regenerated by washing with acetone and reused for more than five times without significant loss of performance. This study provides a deep understanding of solid acid catalysts, with precise control of acidic nature and sites for the conversion of biomass into high-value added products. 2023-08-28T18:01:30Z 2023-08-28T18:01:30Z 2023-12-01 Article Materials Today Sustainability Vol.24 (2023) 10.1016/j.mtsust.2023.100470 25892347 2-s2.0-85167780068 https://repository.li.mahidol.ac.th/handle/123456789/88838 SCOPUS |
institution |
Mahidol University |
building |
Mahidol University Library |
continent |
Asia |
country |
Thailand Thailand |
content_provider |
Mahidol University Library |
collection |
Mahidol University Institutional Repository |
topic |
Chemistry |
spellingShingle |
Chemistry Srida M. Bifunctional mesoporous silica solid acids for transformation of glucose to 5-hydroxymethylfurfural |
description |
Lignocellulosic biomass is a promising renewable resource that can be converted into glucose, a precursor for the synthesis of high-value bio-chemicals, such as 5-hydroxymethylfurfural (HMF). However, the conversion of glucose to HMF using conventional liquid and solid acids is challenging due to the formation of byproducts, leading to low HMF yield. In this study, bifunctional solid acid catalysts (named Al-SA-S15) consisting of aluminum (Al) as Lewis acid sites and sulfonic acid (SA) as Brønsted acid sites were prepared by direct synthesis. The catalysts were then evaluated for the transformation of glucose to HMF using a co-solvent medium of acetone and water. Among the catalysts tested, the 5Al-15SA-S15 catalyst with a Si/Al molar ratio of 5 and a 15 mol% of sulfonic acid groups achieved 95% conversion of glucose and a 51% yield of HMF. The 5Al-15SA-S15 catalyst was found to be stable under the studied conditions, with no leaching of acidic groups observed. It could be easily regenerated by washing with acetone and reused for more than five times without significant loss of performance. This study provides a deep understanding of solid acid catalysts, with precise control of acidic nature and sites for the conversion of biomass into high-value added products. |
author2 |
Mahidol University |
author_facet |
Mahidol University Srida M. |
format |
Article |
author |
Srida M. |
author_sort |
Srida M. |
title |
Bifunctional mesoporous silica solid acids for transformation of glucose to 5-hydroxymethylfurfural |
title_short |
Bifunctional mesoporous silica solid acids for transformation of glucose to 5-hydroxymethylfurfural |
title_full |
Bifunctional mesoporous silica solid acids for transformation of glucose to 5-hydroxymethylfurfural |
title_fullStr |
Bifunctional mesoporous silica solid acids for transformation of glucose to 5-hydroxymethylfurfural |
title_full_unstemmed |
Bifunctional mesoporous silica solid acids for transformation of glucose to 5-hydroxymethylfurfural |
title_sort |
bifunctional mesoporous silica solid acids for transformation of glucose to 5-hydroxymethylfurfural |
publishDate |
2023 |
url |
https://repository.li.mahidol.ac.th/handle/123456789/88838 |
_version_ |
1781415386804125696 |