Effect of high-temperature steam treatment on acidic and catalytic properties of catalysts for aromatization of lower alkanes

Effect of high-temperature steam treatment on acidic and catalytic properties of catalysts for aromatization of lower alkanes

Bibliografiska uppgifter
Parent link:	Russian Journal of Applied Chemistry.— , 1928- Vol. 66, iss. 10.— 1993.— Р. 1735-1738
Huvudupphovsman:	Vosmerikov A. V.
Övriga upphovsmän:	Erofeev V. I. Vladimir Ivanovich
Sammanfattning:	The effect of high-temperature steam treatment of high-silica zeolites (HSZ) modified with zinc and gallium on their activity and catalyticproperties with respect to the aromatization of lower C3-C4 alkanes is studied. The introduction of modifying gallium and zinc additives into H-HSZ improves the activity and selectivity of the zeolite-containing catalysts with respect to the formation of aromatic hydrocarbons. The high-temperature steam treatment is shown to result in partial dealumination of the zeolite and decrease in the proton-donor power and concentration of acidic centers. The reactions applying to catalysts treated in this way yield products with a lower content of aromatic (especially polycyclic) hydrocarbons and a higher concentration of lower olefins. В фонде НТБ ТПУ отсутствует
Språk:	engelska
Publicerad:	1993
Ämnen:	труды учёных ТПУ
Materialtyp:	Bokavsnitt
KOHA link:	https://koha.lib.tpu.ru/cgi-bin/koha/opac-detail.pl?biblionumber=602470

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