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Rational Methods for Processing of Chromia-Alumina Catalyst Научная публикация

Конференция 9-ая международная научно-техническая конференция "Техника и технология нефтехимического и нефтегазового производства"
26-28 февр. 2019 , Омск
Журнал AIP Conference Proceedings
ISSN: 0094-243X , E-ISSN: 1551-7616
Вых. Данные Год: 2019, Том: 2141, Номер статьи : 020018, Страниц : 6 DOI: 10.1063/1.5122037
Ключевые слова utilization, spent chromia-alumina catalyst, wastes, Na2CO3, H2O2, Al2O3,
Авторы Voitov I.A. 1 , Lastovetskaya O.V. 1 , Borisov V.A. 1
Организации
1 Omsk State Technical University, 11, Mira Pr. Omsk 644050, Russia

Реферат: The possibility to utilize one of the types of bulky wastes from oil refineries – spent chromia-alumina catalyst (SCAC) for dehydrogenation of low-molecular hydrocarbons – was considered. Methods for recycling of the spent catalyst were analyzed and implemented, namely, leaching with a NaOH excess, sintering with NaOH, and sintering of the catalyst with Na2CO3. Sintering with Na2CO3 was shown to be the most efficient method of SCAC processing because the stripping degree reached 92%. The alkaline filtrate treated with H2O2 was carbonized by carbon dioxide to recover Al2O3 with trace amounts of Cr. After evaporation of the chromate solution, sodium chromate containing 0.04-0.5% Al was recovered.
Библиографическая ссылка: Voitov I.A. , Lastovetskaya O.V. , Borisov V.A.
Rational Methods for Processing of Chromia-Alumina Catalyst
AIP Conference Proceedings. 2019. V.2141. 020018 :1-6. DOI: 10.1063/1.5122037 WOS Scopus РИНЦ OpenAlex
Даты:
Поступила в редакцию: 19 июл. 2019 г.
Опубликована online: 28 авг. 2019 г.
Идентификаторы БД:
Web of science: WOS:000516716100018
Scopus: 2-s2.0-85072116853
РИНЦ: 41673981
OpenAlex: W2971004073
Цитирование в БД: Пока нет цитирований
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