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Hydrogenation Process Analysis in a Slurry Reactor
Mansoor Kazemimoghadam1
1 Malek Ashtar University of Technology, Faculty of Chemical and Chemical Engineering, Tehran, Iran.
Correspondence should be addressed to: mzkazemi@gmail.com.
Section:Research Paper, Product Type: Isroset-Journal
Vol.4 , Issue.6 , pp.21-26, Dec-2017


CrossRef-DOI:   https://doi.org/10.26438/ijsrcs/v4i6.2126

Online published on Dec 31, 2017
Copyright © Mansoor Kazemimoghadam . This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
 
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Citation :
IEEE Style Citation: Mansoor Kazemimoghadam, “Hydrogenation Process Analysis in a Slurry Reactor”, International Journal of Scientific Research in Chemical Sciences, Vol.4, Issue.6, pp.21-26, 2017.

MLA Style Citation: Mansoor Kazemimoghadam "Hydrogenation Process Analysis in a Slurry Reactor." International Journal of Scientific Research in Chemical Sciences 4.6 (2017): 21-26.

APA Style Citation: Mansoor Kazemimoghadam, (2017). Hydrogenation Process Analysis in a Slurry Reactor. International Journal of Scientific Research in Chemical Sciences, 4(6), 21-26.
           
Abstract :
The liquid-phase catalytic hydrogenation of dimethyl-nitrobenzene (DN) to Dimethyl-aniline (DA) was carried out in ethanol using 5% Pd/C as a catalyst. The effects of hydrogen partial pressure (400–1000 kPa), reaction temperature (343–403 ), catalyst loading (5–15 g/lit), speed of stirring range (200-800 rpm) and dimethyl-nitrobenzene concentration (0.12–0.75 mol/lit) on the hydrogenation of dimethyl-nitrobenzene and the yield of Dimethyl-aniline have been studied. Dimethyl-aniline was the only reaction product, generated through the hydrogenation of the Nitro group of dimethyl-nitrobenzene. The effects of hydrogen partial pressure, catalyst loading, dimethyl-nitrobenzene concentration and temperature on the reaction conversion have been reported. Near first-order dependence on dimethyl-nitrobenzene concentration and hydrogen pressure were observed for the initial rate of dimethyl-nitrobenzene hydrogenation over the 5% Pd/C catalyst. Conventional Arrhenius behavior was exhibited by catalyst, Pd/C showed activation energies of 614 J/mol. A simple power law model was used for analysis of the reaction kinetic data.
Key-Words / Index Term :
Liquid-phase hydrogenation; Pd/C catalysts; dimethyl-nitrobenzene; dimethyl-aniline; operation condition
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