Effect of residual Cl - derived from metal precursors on catalytic activity in the hydrogenation of naphthalene over supported Pd catalysts

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Abstract

Hydrogenation of naphthalene was performed over supported Pd catalysts prepared from precursors that contained Cl - and from precursors that were free of Cl - . The activity of catalyst prepared from PdCl 2 was much higher than that prepared from Pd(NH 3 ) 2 (NO 2 ) 2 . The species of Pd precursor strongly affected the activity of Pd/Al 2 O 3 , whereas no significant influence was observed in the effect of Pd/SiO 2 , because residual Cl - was easily removed by calcination and/or reduction. Catalytic activity was increased by addition of NH 4 Cl to Cl - -free Pd/Al 2 O 3 . Residual Cl - was concluded to enhance the catalytic activity of the supported Pd catalysts. © 2002 Elsevier Science B.V. All rights reserved.

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Ito, K., Ohshima, M. A., Kurokawa, H., Sugiyama, K., & Miura, H. (2002). Effect of residual Cl - derived from metal precursors on catalytic activity in the hydrogenation of naphthalene over supported Pd catalysts. Catalysis Communications, 3(11), 527–531. https://doi.org/10.1016/S1566-7367(02)00207-8

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