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Liquid phase selective hydrogenation reaction of methylacetylene and propadiene in propylene over moderately dispersed palladium catalysts

机译:液相选择性氢化反应甲基乙炔和丙烯在丙烯中丙烯中的中间分散的钯催化剂

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The palladium surface area of Pd/Al_2O_3 catalysts can be easily controlled by using a solution of dinitrodiammine-Pd(DNDA-Pd) dissolved in nitric acid and changing calcination temperature.Catalysts,with a varied Pd surface area of 25 - 300 m~2/g,were prepared on an alumina carrier whose surface area was ca. 200 m~2/g. The catalyst,prepared with DNDA/Pd and reduced by sodium formate solution,which had a low Pd surface area exhibited excellent selectivity in hydrogenation of methylacetylene (MA) and propadiene (PD) in C_3 feed.
机译:Pd / Al_2O_3催化剂的钯表面区域可以通过使用溶解在硝酸和煅烧温度的DNITrodiammine-Pd(DNDA-Pd)溶液溶液来容易地控制。催化剂,变化的Pd表面积为25-300m〜2 / g在表面积为CA的氧化铝载体上制备。 200米〜2 / g。用DNDA / Pd制备的催化剂并通过甲酸钠溶液还原,其具有低Pd表面积,在C_3饲料中氢化甲基乙炔(MA)和丙烯(Pd)的氢化方案具有优异的选择性。

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