A Contribution to ZSM-5 Zeolite Modified with Niobia Научная публикация
Журнал |
Polish Journal of Chemistry
ISSN: 0137-5083 |
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Вых. Данные | Год: 1998, Том: 72, Номер: 12, Страницы: 2564-2572 Страниц : 9 | ||||
Ключевые слова | Acidity, Calcination, Catalysis, Zeolites | ||||
Авторы |
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Организации |
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Реферат:
ZSM-5 zeolite modified with Nb was investigated by XRD, IR and MAS NMR spectroscopies. Niobium atoms were introduced by calcination of NH(4)ZSM-5 zeolite with Nb2O5. The last samples showed Bronsted and Lewis acidity and can catalyse m-xylene ammoxidation to nitriles. Thermal treatment of ZSM-5 and Nb2O5 mixtures leads to dealumination of zeolite framework. The addition of Nb2O5 decreases the amount of aluminium atoms eliminated from the lattice and preserves the framework.
Библиографическая ссылка:
Romotowski T.
, Komorek J.
, Terskikh V.V.
A Contribution to ZSM-5 Zeolite Modified with Niobia
Polish Journal of Chemistry. 1998. V.72. N12. P.2564-2572. WOS Scopus РИНЦ
A Contribution to ZSM-5 Zeolite Modified with Niobia
Polish Journal of Chemistry. 1998. V.72. N12. P.2564-2572. WOS Scopus РИНЦ
Даты:
Поступила в редакцию: | 17 июн. 1998 г. |
Принята к публикации: | 23 июл. 1998 г. |
Опубликована в печати: | 1 дек. 1998 г. |
Идентификаторы БД:
Web of science | WOS:000077480500009 |
Scopus | 2-s2.0-0032265417 |
РИНЦ | 13276978 |
Chemical Abstracts | 1999:2401 |
Chemical Abstracts (print) | 130:29737 |