## Al3STRACT A high temperature catalytic membrane reactor, containing a Pt impregnated alumin a ceramic membrane tube in a shell-andtube configuration, was used to study dehydrogenation reactions. Experiments in this membrane reactor in the temperature range of 450-600ยฐC, with the ethane dehydrog
Ethane dehydrogenation in a catalytic membrane reactor coupled with a reactive sweep gas
โ Scribed by E. Gobina; K. Hou; R. Hughes
- Publisher
- Elsevier Science
- Year
- 1995
- Tongue
- English
- Weight
- 718 KB
- Volume
- 50
- Category
- Article
- ISSN
- 0009-2509
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โฆ Synopsis
An experimental and simulation study has been carried out for the dehydrogenation of ethane to ethylene in a catalytic membrane reactor, with and without reaction on the permeate side. The membrane comprised a palladium-silver alloy deposited as a thin film on a Vycor glass support and palladium catalyst pellets were packed inside the membrane tube. Permeation data for the model were determined separately. The differential equations for transport and reaction within the membrane module were solved using orthogonal collocation to give concentration profiles as a function of contact time, reactor length and radius. The simulation was validated with experimental data and was observed to correctly predict the increase in conversion with contact time for the range of experimental conditions investigated.
๐ SIMILAR VOLUMES
The dehydrogenation of isobutane on a commercial chromia-alumina catalyst was studied using a conventional and a membrane reactor. A series of differential runs were conducted varying the temperature and feed composition. Extensive loss of catalyst activity was observed within the first two or three
## Alumina membranes modified by metals (Pd, Pt, Cu, Ni) were prepared by the sol-gel method, and characterized by adsorption of N2, scanning electron microscopy, X-ray diffraction and hydrogenoxygen titration. The average pore diameters of the membranes were 4-7 nm, which is larger than for a pur