The influence of HCl production and NaOH addition on catalytic activity in the liquid-phase hydrodechlorination of chlorobenzene over palladium-supported catalysts was studied. The rate of dehydrochlorination reaction falls with time owing to the poisoning effect of HCl gradually formed as by-produc
Effect of HCl acid on the hydrodechlorination of chlorobenzene over palladium supported catalysts
β Scribed by G.Del Angel; J.L Benitez
- Publisher
- Elsevier Science
- Year
- 2001
- Tongue
- English
- Weight
- 74 KB
- Volume
- 165
- Category
- Article
- ISSN
- 1381-1169
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β¦ Synopsis
Ammonia and hydrochloric acid effects have been studied in the chlorobenzene hydrodechlorination in liquid phase on Pd/C catalysts. The addition of NH 4 OH to the reactant medium does not modify the reaction rate while in hydrochloric acid medium the activity was increased. The role of HCl acid in the activity is explained by a partial oxidation of the Pd particles.
π SIMILAR VOLUMES
The catalytic hydrodechlorination of chlorobenzene with NirC, PdrC and Ni Pd rC in ethanol was studied with 2 D 98 2 13 Γ 1 4 Ε½ . and C H NMR. Two dechlorination routes of this reaction ionic and free-radical are suggested depending upon the nature of the active hydrogen species. At the same time t