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Citation: Fu Xiang-Kai, Ma Xue-Bing, Wen Shu-Ying, Liu Chang-Hua. Study on the Crystallinity of ZGDMP and the Catalytic Activities of ZGDMP-Pd Catalysts for Hydrogenation[J]. Acta Physico-Chimica Sinica, ;1996, 12(12): 1079-1083. doi: 10.3866/PKU.WHXB19961206 shu

Study on the Crystallinity of ZGDMP and the Catalytic Activities of ZGDMP-Pd Catalysts for Hydrogenation

1.
College of Chemistry and Chemical Engineering,Southwest-China Normal University,Chongqing 630715

Received Date: 15 April 1996
Available Online: 15 December 1996

Crystalline, semicrystalline and amorphous catalyst supports ZGDMP (zirconium glycine-N•N-dimethylphosphonate) and their corresponding c-ZGDMP-Pd, s-ZGDMP-Pd, a-ZGDMP-Pd catalysts were prepared and characterized by IR、 XRD、XPS for the first time. The catalytic activity of these Pd catalysts for hydrogenation under atmospheric pressure were also studied. It was discovered that the activity of a-ZGDMP-Pd is 3.1 times as high that of c-ZGDMP-Pd catalyst and 1.9 times as that of s-ZGDMP-Pd for hydrogenation. The lower catalytic activity of c-ZGDMP-Pd and s-ZGDMP-Pd is due to no changes of the interlayer distance between the support and the corresponding Pd catalysts, Pd under es complexation only on the surface of the support in the catalysts, the glycine groups in the inner layers of the support have no contribution to the complexation and catalytic effects.
- Zirconium glycine-N，N-dimethylphosphonate,
- Pd catalyst,
- Crystallinity,
- Hydrogenation,
- Catalytic activity
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