Characterization of Li-Doped Ni/MgO Catalysts Научная публикация
Журнал |
Journal of Physical Chemistry (up to 1996)
ISSN: 0022-3654 |
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Вых. Данные | Год: 1995, Том: 99, Номер: 3, Страницы: 990-998 Страниц : 9 DOI: 10.1021/j100003a023 | ||||||
Ключевые слова | supported nickel catalysts; hydrogen chemisorption; alumina catalysts; alkali; reducibility; dispersion; lithium; reduction; metals; Ni | ||||||
Авторы |
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Организации |
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Информация о финансировании (1)
1 | National Research Council |
Реферат:
The effects of the Li-doping on the reducibility and morphological properties of a NWgO catalyst have been investigated by TPR, BET surface area, TEM, XPS, H2, and CO chemisorption measurements. The roles of both the doping method (pre- and postimpregnation) and lithium loading (0.67-2.50 wt %) have been assessed. Lithium addition before calcination (preimpregnation) yields sintering of NiO, affecting the overall “distribution” of the Ni precursor across the MgO matrix. The promoting effect of Li’ on the reducibility of the NWgO system has been discussed. At high reduction temperatures (Tr L 600 “C), Li causes a collapse in the catalyst structure, resulting also in a dramatic sintering of the metal phase.
Библиографическая ссылка:
Arena F.
, Chuvilin A.L.
, Parmaliana A.
Characterization of Li-Doped Ni/MgO Catalysts
Journal of Physical Chemistry (up to 1996). 1995. V.99. N3. P.990-998. DOI: 10.1021/j100003a023 WOS Scopus РИНЦ
Characterization of Li-Doped Ni/MgO Catalysts
Journal of Physical Chemistry (up to 1996). 1995. V.99. N3. P.990-998. DOI: 10.1021/j100003a023 WOS Scopus РИНЦ
Даты:
Поступила в редакцию: | 15 апр. 1994 г. |
Принята к публикации: | 1 окт. 1994 г. |
Опубликована в печати: | 19 янв. 1995 г. |
Опубликована online: | 1 мая 2002 г. |
Идентификаторы БД:
Web of science | WOS:A1995QC83500023 |
Scopus | 2-s2.0-0001746241 |
РИНЦ | 28793444 |
Chemical Abstracts | 1995:297776 |
Chemical Abstracts (print) | 122:65366 |
OpenAlex | W1970349949 |