Mohammad, Al Issa Jehad Moh'dFathi and Saminathan, Vinithaa and El-Bahy, Zeinhom M. and Michelin, Laure and Ling, Tau Chuan and Ng, Eng-Poh (2023) Ionothermal Crystallization of SAPO-11 using novel pyridinium ionic liquid and its catalytic activity in esterification of levulinic acid into ethyl levulinate. Catalysts, 13 (2). ISSN 2073-4344, DOI https://doi.org/10.3390/catal13020433.
Full text not available from this repository.Abstract
A study using a novel pyridinium ionic liquid, namely 1-propylpyridinium bromide (PPy]Br), to crystallize SAPO-11 under ionothermal conditions is reported. By carefully following the crystallization process, SAPO-11 can readily be crystallized in the presence of PPy]Br, which serves as a synthesis solvent and structure-directing agent, at 150 degrees C after 133 h of heating. The study also focuses on manipulating other synthesis parameters (e.g., crystallization temperature, phosphorous content, silicon amount and PPy]Br concentration) and investigating their respective effects on the formation of SAPO-11. The crystallized SAPO-11 has an acidic nature and a high surface area. Under conductive instant heating conditions, the SAPO-11 catalyst is very active in the conversion of levulinic acid into ethyl levulinate; 93.4% conversion and 100% selectivity of ethyl levulinate are recorded at 180 degrees C after 30 min of reaction. This result is comparable to or even better than those of conventional homogeneous catalysts.
| Item Type: | Article |
|---|---|
| Funders: | Ministry of Higher Education, Malaysia [Grant No: FRGS/1/2022/STG05/USM/02/12] |
| Uncontrolled Keywords: | SAPO-11; Ionothermal synthesis; Catalyst; Esterification; Ethyl levulinate |
| Subjects: | Q Science > Q Science (General) Q Science > QD Chemistry |
| Divisions: | Faculty of Science > Institute of Biological Sciences |
| Depositing User: | Ms Zaharah Ramly |
| Date Deposited: | 19 Nov 2024 02:20 |
| Last Modified: | 19 Nov 2024 02:20 |
| URI: | http://eprints.um.edu.my/id/eprint/38718 |
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