Ir/AlO(OH)/Fe3O4: A High Active and Selective Catalyst for Hydrogenation of p-Choronitrobenzene to p-Chloroaniline

Jie Wu; Chun Zhang

doi:10.4028/www.scientific.net/AMR.960-961.217

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Ir/AlO(OH)/Fe₃O₄: A High Active and Selective Catalyst for Hydrogenation of p-Choronitrobenzene to p-Chloroaniline
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Ir/AlO(OH)/Fe₃O₄: A High Active and Selective Catalyst for Hydrogenation of p-Choronitrobenzene to p-Chloroaniline

Abstract:

Ir/AlO(OH)/Fe₃O₄catalyst has been prepared and applied for the hydrogenation of p-choronitrobenzene (p-CNB) to p-chloroaniline (p-CAN) at 35 °C and balloon hydrogen pressure in ethanol/water mixture. The experiment results indicated that the catalyst Ir/AlO(OH)/Fe₃O₄ showed excellent catalytic properties for the hydrogenation of p-CNB to p-CAN. A complete conversion of p-CNB was achieved with a selectivity of 97.2 % to p-CAN. The catalyst was quite stable and can be recycled at least seven times without loss of any activity. Moreover, the magnetic property of the catalyst facilated the separation of the used catalyst from the reaction system without filtration.