NDLI: Dehydrogenation of n-butane on the industrial microspherical chromia-alumina catalyst AOK-73-24 in a membrane reactor

Content Provider	Springer Nature Link
Author	Didenko, L. P. Savchenko, V. I. Sementsova, L. A. Sheverdenkina, O. G. Bykov, L. A.
Copyright Year	2013
Abstract	The basic features of the catalytic membrane dehydrogenation of n-butane have been studied in a reactor with membrane modules based on Pd/Ag foil of 9.3 and 30 μm thickness and in the absence of the membrane (temperature, 500–550°C; feed space velocity, 150–1200 h$^{−1}$). It has been shown that in the absence of the membrane, the dehydrogenation of n-butane occurs in the kinetic region. The membrane thickness has a significant effect on the performance of the catalytic membrane reaction, presumably, because of the difference in the rate of H$_{2}$ withdrawal from the reaction mixture. In the reactor with the 9.3-μm thick Pd/Ag-foil, the reaction is controlled by the H$_{2}$ formation rate. As the thickness of the palladium foil is increased to 30 μm, the reaction proceeds to the diffusion region, thereby resulting in both enhancement of selectivity for butenes and a reduction of the yield of hydrocarbon deposits.
Starting Page	401
Ending Page	406
Page Count	6
File Format	PDF
ISSN	09655441
Journal	Petroleum Chemistry
Volume Number	53
Issue Number	6
e-ISSN	15556239
Language	English
Publisher	Springer US
Publisher Date	2013-11-07
Publisher Place	Boston
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	palladium membrane module catalytic dehydrogenation n-butane chromia-alumina catalyst Industrial Chemistry/Chemical Engineering
Content Type	Text
Resource Type	Article
Subject	Chemistry Geochemistry and Petrology Fuel Technology Chemical Engineering Energy Engineering and Power Technology

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