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Modification of the Supported Palladium Catalysts Surface During Hydrodechlorination of Carbon Tetrachloride Научная публикация

Журнал Applied Catalysis A: General
ISSN: 0926-860X , E-ISSN: 1873-3875
Вых. Данные Год: 2003, Том: 241, Номер: 1-2, Страницы: 123-132 Страниц : 10 DOI: 10.1016/S0926-860X(02)00455-6
Ключевые слова Carbon tetrachloride, Catalyst deactivation, Hydrodechlorination, Oligomerization, Palladium catalyst
Авторы Golubina Elena V. 1 , Lokteva Ekaterina S. 1 , Lunin Valery V. 1 , Turakulova Anara O. 1 , Simagina Valentina I. 2 , Stoyanova Irina V. 2
Организации
1 Laboratory of Catalysis and Gas Electrochemistry, Department of Chemistry, M.V. Lomonosov Moscow State University, Moscow 119992, Russia
2 Boreskov Institute of Catalysis SB RAS, Pr. Lavrenteva 5, Novosibirsk 630090, Russia

Информация о финансировании (3)

1 Российский фонд фундаментальных исследований 00-15-9746
2 Российский фонд фундаментальных исследований 98-03-32159
3 Haldor Topsoe (Denmark)

Реферат: Hydrodechlorination (HDC) of carbon tetrachloride (CCl4) was studied in the presence of 0.5–5% palladium catalysts supported on carbon material Sibunit and TiO2. Experiments were performed in a flow-type reactor in hydrogen at 150–220 °C. Non-chlorinated C1–C5 hydrocarbons were formed in the presence of all catalysts. Stable work (more than 4 h) was observed in the most cases. Conversion of carbon tetrachloride was 100%. It was assumed, that Cl, which was formed as intermediate during dissociative adsorption of CCl4, oxidizes palladium on the catalytic surface generating active sites of oligomerization. The surface of the catalyst is covered by carbonaceous deposits during the HDC, resulting in deactivation of the catalyst. These deposits are probably a little different in nature for Pd/Sibunit and Pd/TiO2 catalysts. For Pd/Sibunit carbonaceous deposits are more hydrocarbonaceous in nature. These carbonaceous deposits can be removed by heating in argon-flow to regenerate the catalyst.
Библиографическая ссылка: Golubina E.V. , Lokteva E.S. , Lunin V.V. , Turakulova A.O. , Simagina V.I. , Stoyanova I.V.
Modification of the Supported Palladium Catalysts Surface During Hydrodechlorination of Carbon Tetrachloride
Applied Catalysis A: General. 2003. V.241. N1-2. P.123-132. DOI: 10.1016/S0926-860X(02)00455-6 WOS Scopus РИНЦ CAPlusCA OpenAlex
Даты:
Поступила в редакцию: 8 мар. 2002 г.
Принята к публикации: 7 авг. 2002 г.
Опубликована online: 10 окт. 2002 г.
Опубликована в печати: 20 февр. 2003 г.
Идентификаторы БД:
Web of science: WOS:000181260400010
Scopus: 2-s2.0-0037456176
РИНЦ: 13444345
Chemical Abstracts: 2003:104279
Chemical Abstracts (print): 139:354900
OpenAlex: W2088752153
Цитирование в БД:
БД Цитирований
Web of science 33
Scopus 36
РИНЦ 37
OpenAlex 41
Альметрики: