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Rose Scientific Publication, Melbourne, Australia Medbiotech Journal 2209-2528 04 02 2020 06 01 Synthesis of Aniline through Palladium Nanoparticles over Alumina Catalyst 57 61 109580 10.22034/mbt.2020.109580 EN Husam Ali Department of Chemistry, Baghdad University of Technology, Baghdad, Iraq 0000-0001-5077-4264 Mahnaz Rahimisadr Department of Chemistry, Baghdad University of Technology, Baghdad, Iraq Journal Article 2020 03 08 Aniline was synthesized by catalytic hydrogenation of nitrobenzene (NB) on nano-sized Pd on γ-Al2O3 catalyst prepared by sol-gel method. The catalyst was characterized by SEM and XRD. The average particle of Pd catalyst was 36 nm. In hydrogenation reaction of nitrobenzene, the hydrogenation rate was zero-order with respect to nitrobenzene and increased with increasing of hydrogen pressure. Compared with commercial Pd/γ-Al2O3, catalytic activity and selectivity of the as-prepared Pd/γ-Al2O3 is superior. The reason proposed for higher catalytic activity of nano-sized Pd is the small particle size and high-density surface defects. Nitrobenzene aniline Nano-sized Pd on γ-Al2O3 Catalytic Hydrogenation http://www.medbiotech.net/article_109580_beb67ad52eb39d54b6fc4fd2b920c592.pdf