Acidic and Catalytic Properties of Zeolites Modified by Zinc in the Conversion Process of Lower C3-C4 Alkanes

Acidic and Catalytic Properties of Zeolites Modified by Zinc in the Conversion Process of Lower C3-C4 Alkanes

Xehetasun bibliografikoak
Parent link:	Catalysts Vol. 9, Iss. 5.— 2019.— [P. 1-11]
Erakunde egilea:	Национальный исследовательский Томский политехнический университет Школа базовой инженерной подготовки Отделение иностранных языков
Beste egile batzuk:	Erofeev V. I. Vladimir Ivanovich, Khasanov V. V. Vyacheslav Viktorovich, Dzhalilova S. N. Sofiya Nasibullaevna, Reschetilowski W. P., Syskina A. A. Anna Aleksandrovna, Bogdankova L. A.
Gaia:	Title screen The acid and catalytic properties of the modified MFI zeolite catalysts during the conversion of the propane–butane fraction of the associated petroleum gases into the aromatic hydrocarbons were studied. It was established that the high-silica zeolites synthesized with the new structure-forming additive of the alcohol fraction (ZKE-AF) belong to the high-silica MFI zeolites. The resulting zeolites were modified by 1–5 wt. % additives consisting of zinc oxide and sulfide. The influence of the modifying additive concentration containing zinc oxides and sulfides in an amount of 1–5% on the acid and catalytic properties of the catalysts in the conversion process of lower C3–C4 alkanes into liquid hydrocarbons was studied. The research of the acid properties of the modified zeolite catalysts by thermal desorption of ammonia showed that the total concentrations of the acidic centers of H-ZKE-AF modified by 3% and 5% ZnO increased. It was found that the highest yield of liquid hydrocarbons was on the zeolite catalysts modified by 3% and 5% ZnS, and is 60.6% and 60.5%, respectively, which is 9% more than in the initial H-ZKE-AF. The activity of the zeolite catalysts modified by zinc oxide and zinc sulfide was in correlation with their acid properties.
Argitaratua:	2019
Gaiak:	электронный ресурс труды учёных ТПУ катализаторы свойства
Sarrera elektronikoa:	https://doi.org/10.3390/catal9050421
Formatua:	Baliabide elektronikoa Liburu kapitulua
KOHA link:	https://koha.lib.tpu.ru/cgi-bin/koha/opac-detail.pl?biblionumber=660643

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