Mechanism of the Oxygen Involvement in Nicotinic Acid Formation under β-Picoline Oxidation on V-Ti-O Catalyst Научная публикация
| Конференция |
6th World Congress on Oxidation Catalysis 05-10 июл. 2009 , Lille |
||
|---|---|---|---|
| Журнал |
Catalysis Today
ISSN: 0920-5861 , E-ISSN: 1873-4308 |
||
| Вых. Данные | Год: 2010, Том: 157, Номер: 1-4, Страницы: 39-43 Страниц : 5 DOI: 10.1016/j.cattod.2010.01.065 | ||
| Ключевые слова | β-Picoline, Nicotinic acid, Oxidation, Vanadia-titania catalyst | ||
| Авторы |
|
||
| Организации |
|
Реферат:
Mechanism of the oxygen involvement in nicotinic acid formation under β-picoline oxidation on vanadia-titania catalyst was studied by in situ FTIR spectroscopy and kinetic method in temperature range of 120–300 °C. The formation of nicotinic acid proceeds via a consecutive transformation of the surface carbonil-like and carboxylate complexes stabilized at reduced vanadium. Catalyst oxygen includes in formation of these complexes. Carboxylate is a direct precursor of nicotinic acid, it turns into nicotinic acid in the presence of the gas-phase oxygen in joint step of catalyst reoxidation–acid desorption. Significant concentration ratio of oxygen to β-picoline (CO2:CβP > 16:1) is necessary to effective running reaction. This factor can be explained by the reaction mechanism. The variety of oxygen functions and of oxygen species require the maximum oxidized state of the catalyst and explain the necessity of a high oxygen excess in the reaction mixture.
Библиографическая ссылка:
Chesalov Y.A.
, Ovchinnikova E.V.
, Chernobay G.B.
, Popova G.Y.
, Andrushkevich T.V.
Mechanism of the Oxygen Involvement in Nicotinic Acid Formation under β-Picoline Oxidation on V-Ti-O Catalyst
Catalysis Today. 2010. V.157. N1-4. P.39-43. DOI: 10.1016/j.cattod.2010.01.065 WOS Scopus РИНЦ OpenAlex CAPlusCA
Mechanism of the Oxygen Involvement in Nicotinic Acid Formation under β-Picoline Oxidation on V-Ti-O Catalyst
Catalysis Today. 2010. V.157. N1-4. P.39-43. DOI: 10.1016/j.cattod.2010.01.065 WOS Scopus РИНЦ OpenAlex CAPlusCA
Даты:
| Опубликована online: | 15 мар. 2010 г. |
| Опубликована в печати: | 17 нояб. 2010 г. |
Идентификаторы БД:
| ≡ Web of science: | WOS:000284502000007 |
| ≡ Scopus: | 2-s2.0-78049289006 |
| ≡ РИНЦ: | 22057049 |
| ≡ OpenAlex: | W2035203656 |
| ≡ Chemical Abstracts: | 2010:1340163 |
| ≡ Chemical Abstracts (print): | 154:45610 |