Choudhary, V. R. ; Sansare, S. D. ; Thite, G. A. (1988) Adsorption of reaction species for hydrogenation of nitrobenzene on copper chromite at catalytic conditions Journal of Chemical Technology & Biotechnology, 42 (4). pp. 249-260. ISSN 0268-2575
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Official URL: http://www3.interscience.wiley.com/journal/1142177...
Related URL: http://dx.doi.org/10.1002/jctb.280420402
Abstract
Adsorption of nitrobenzene, aniline and water on copper chromite has been investigated at the temperatures (483-558 K) and partial pressures (0-40 kPa) involved in the catalytic process (viz. hydrogenation of nitrobenzene), using the gas chromatographic pulse technique. The adsorption of reaction species was found to follow the Freundlich adsorption isotherm. The data on isosteric heats of adsorption (at different surface coverages) were obtained from the adsorption isotherms. The results indicated that nitrobenzene and water are physically adsorbed, whereas aniline is chemisorbed on the catalyst. The variation in the heat of adsorption with surface coverage for the adsorption of aniline indicated the presence of surface heterogeneity on the copper chromite.
| Item Type: | Article |
|---|---|
| Source: | Copyright of this article belongs to Society of Chemical Industry. |
| Keywords: | Adsorption; Heat of Adsorption; Copper Chromite Catalyst; Adsorption of Nitrobenzene; Aniline and Water |
| ID Code: | 10597 |
| Deposited On: | 04 Nov 2010 05:47 |
| Last Modified: | 30 May 2011 04:53 |
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