Hashim, Luqman H. and Halilu, Ahmed and Sudarsanam, Putla and Umar, Yahaya Balarabe and Johan, Mohd Rafie and Bhargava, Suresh K. (2020) Bifunctional rice husk-derived SiO2-Cu-Al-Mg nanohybrid catalyst for one-pot conversion of biomass-derived furfural to furfuryl acetate. Fuel, 275. ISSN 00162361, DOI https://doi.org/10.1016/j.fuel.2020.117953.
Full text not available from this repository.Abstract
Developing one-pot reaction methodologies, which typically require multifunctional catalyst systems, is crucial for sustainable production of bio-derived fuels and chemicals. This work reports one-pot hydrogenation-esterification of furfural to furfuryl acetate using a bifunctional metal-based nanohybrid catalyst, composed of rice husk (RH) derived SiO2, Cu, Al, and Mg species (RHSiO2-Cu-Al-Mg). For comparison, the catalytic efficiency of RHSiO2-Cu and RHSiO2-Cu-Al were tested under similar reaction conditions. Various analytical techniques were used to elucidate the physicochemical, textural, and acid-redox properties of the catalysts. It was found that the RHSiO2-Cu-Al-Mg catalyst contains an optimum amount of acid and redox sites, as illustrated by NH3-TPD and H-2-TPR studies, respectively. Especially, Mg addition played a vital role in tailoring acidity of the RHSiO2-Cu-Al catalyst to promote in-situ esterification of furfuryl alcohol with acetic acid to yield furfuryl acetate. As a result, the RHSiO2-Cu-Al-Mg catalyst exhibited the best performance in one-pot conversion of furfural to furfuryl acetate, outperforming various noble metal/silica based catalysts. This study offers potential opportunities for the rational design of novel, bifunctional heterogeneous catalysts for efficient production of bio-derived fuels and value added chemicals.
| Item Type: | Article |
|---|---|
| Funders: | Universiti Malaya (Grant No. GC001A-14AET) |
| Uncontrolled Keywords: | Bio-oil upgrading; One-pot furfural conversion; Bifunctional catalyst; Rice husk silica; Acid-redox sites |
| Subjects: | Q Science > QD Chemistry |
| Divisions: | Faculty of Engineering > Department of Mechanical Engineering |
| Depositing User: | Ms Zaharah Ramly |
| Date Deposited: | 30 Dec 2023 01:14 |
| Last Modified: | 30 Dec 2023 01:14 |
| URI: | http://eprints.um.edu.my/id/eprint/36434 |
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