التفاصيل البيبلوغرافية
| العنوان: |
Ionothermal Crystallization of SAPO-11 Using Novel Pyridinium Ionic Liquid and Its Catalytic Activity in Esterification of Levulinic Acid into Ethyl Levulinate. |
| المؤلفون: |
Mohammad, Al Issa Jehad Moh'dFathi, Saminathan, Vinithaa, El-Bahy, Zeinhom M., Michelin, Laure, Ling, Tau Chuan, Ng, Eng-Poh |
| المصدر: |
Catalysts (2073-4344); Feb2023, Vol. 13 Issue 2, p433, 17p |
| مصطلحات موضوعية: |
CATALYTIC activity, CRYSTALLIZATION, IONIC liquids, ESTERIFICATION, SURFACE area |
| مستخلص: |
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 °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 °C after 30 min of reaction. This result is comparable to or even better than those of conventional homogeneous catalysts. [ABSTRACT FROM AUTHOR] |
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| قاعدة البيانات: |
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