IONIC LIQUID ASSISTED ACETYLENE PARTIAL HYDROGENATION OVER SURFACE OF PALLADIUM NANOPARTICLES

Farshad Farshidfar (), Mahmood Kazemzad, Ali Khanlarkhani and Mehran Rezaei
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Farshad Farshidfar: Materials and Energy Research Center, P.O. Box 14155-4777, Tehran, Iran
Mahmood Kazemzad: Materials and Energy Research Center, P.O. Box 14155-4777, Tehran, Iran†Organic Materials & Interfaces, ChemE, TU Delft Julianalaan 136, 2628 BL, Delft, the Netherlands
Ali Khanlarkhani: Materials and Energy Research Center, P.O. Box 14155-4777, Tehran, Iran
Mehran Rezaei: Department of Chemical Engineering, Catalyst and Advanced Materials Research Laboratory, University of Kashan, Kashan, Iran

Surface Review and Letters (SRL), 2016, vol. 23, issue 06, 1-6

Abstract: The loss of acetylene partial hydrogenation selectivity over bare palladium catalyst is observed by aging. In this study, 1-butyl-3-methyl imidazolinium hydroxide ionic liquid (BMIm[OH]) is loaded on Pd/γ–Al2O3 solid catalyst for enhancing the selectivity and different experimental techniques such as surface area measurements and catalytic performance have been performed to characterize the modified catalyst. Results revealed that the addition of ionic liquid maintains higher selectivity of partial hydrogenation over Pd/γ–Al2O3 catalyst for more than 30h especially at the temperature of acetylene complete removal (>100∘C). The activation energies of partial and complete acetylene hydrogenation on bare and ionic liquid loaded Pd/γ–Al2O3 are also calculated and utilized to clarify the obtained results.

Keywords: Acetylene partial hydrogenation; 1-butyl-3-methyl imidazolinium hydroxide; ionic liquid; palladium catalyst (search for similar items in EconPapers)
Date: 2016
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DOI: 10.1142/S0218625X16500542

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