Селективна дегідратація етиллактату до етилакрилату на NaY-фожазиті
Dehydration of lactic acid and its esters is a promising way for obtaining acrylate monomers. The transformation of 10 % ethyl lactate solution in ethanol into ethyl acrylate over NaY, NaX, NaA and L zeolites has been studied. It has been shown that NaY-faujasite is the most stable catalyst, which p...
Збережено в:
| Дата: | 2017 |
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| Автори: | , , |
| Формат: | Стаття |
| Мова: | Українська |
| Опубліковано: |
Chuiko Institute of Surface Chemistry National Academy of Sciences of Ukraine
2017
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| Теми: | |
| Онлайн доступ: | https://www.cpts.com.ua/index.php/cpts/article/view/424 |
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| Назва журналу: | Chemistry, Physics and Technology of Surface |
Репозитарії
Chemistry, Physics and Technology of Surface| Резюме: | Dehydration of lactic acid and its esters is a promising way for obtaining acrylate monomers. The transformation of 10 % ethyl lactate solution in ethanol into ethyl acrylate over NaY, NaX, NaA and L zeolites has been studied. It has been shown that NaY-faujasite is the most stable catalyst, which provides 100 % conversion of ethyl lactate with 80–90 % selectivity towards ethyl acrylate at 350 °С and 0.1 MPa under LHSV= 3.4 h–1 for 3 h. It has been found that use of СО2 as carrier-gas and carrying out the reaction in ethanol steam allows prolonging time of stable work of the catalyst. Possible schemes of ethyl lactate transformations are discussed. |
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