An efficient ruthenium-vanadium catalyst for selective hydrogenation of ortho-chloronitrobenzene

作者：Pietrowski Mariusz^*; Wojciechowska Maria

来源：Catalysis Today, 2009, 142(3-4): 211-214.

DOI：10.1016/j.cattod.2008.09.040

• Chloronitrobenzene hydrogenation
• Ruthenium catalyst
• Magnesium fluoride
• Chloroaniline
• Selective hydrogenation
• MgF(2)

An attempt has been made at obtaining a catalyst for hydrogenation of ortho-chloromitrobenzene (o-CNB) to ortho-chloroaniline (o-CAN) which Would be both selective and active. Ruthenium has been used as the active phase since it is the most selective of all metals investigated in the above reaction. Catalyst precursors, RuCl(3)center dot 3H(2)O and NH(4)VO(3), Were introduced onto an unconventional support - MgF(2) and reduced in hydrogen flow at 673 K. The catalysts obtained revealed unusually high activity and selectivity in the reaction of hydrogenation of o-CNB to o-CAN, both in the gas- and liquid phase. The structural study of the Ru-V/MgF(2) catalyst has shown that its high activity and selectivity were determined by the strong metal-support interactions and ruthenium-VO(x) species electron interactions.

• 出版日期2009-4-30