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

被引：20

作者：

Ito, K ^{[1
]}

Ohshima, MA ^{[1
]}

Kurokawa, H ^{[1
]}

Sugiyama, K ^{[1
]}

Miura, H ^{[1
]}

机构：

[1] Saitama Univ, Fac Engn, Dept Appl Chem, Urawa, Saitama 3388570, Japan

来源：

CATALYSIS COMMUNICATIONS | 2002年 / 3卷 / 11期

关键词：

D O I：

10.1016/S1566-7367(02)00207-8

中图分类号：

O64 [物理化学（理论化学）、化学物理学];

学科分类号：

070304 ; 081704 ;

摘要：

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, was much higher than that prepared from Pd(NH3)(2)(NO2)(2). The species of Pd precursor strongly affected the activity of Pd/Al2O3, whereas no significant influence was observed in the effect of Pd/SiO2, because residual Cl- was easily removed by calcination and/or reduction. Catalytic activity was increased by addition of NH4Cl to Cl--free Pd/Al2O3. Residual Cl- was concluded to enhance the catalytic activity of the supported Pd catalysts. (C) 2002 Elsevier Science B.V. All rights reserved.

引用

页码：527 / 531

页数：5

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