Preparation and Properties of Zirconium Hydride on the Surface of MCM-41 Mesoporous Molecular Sieves

Chemical Research in Chinese Universities ›› 2001, Vol. 17 ›› Issue (4): 426-431.

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Preparation and Properties of Zirconium Hydride on the Surface of MCM-41 Mesoporous Molecular Sieves

WANG Xu-xu¹, FU Xian-zhi¹, LEFEBVRE Frédéric², BASSET Jean-Marie²

1. Research Institute of Photocatalysis, Fuzhou University, Fuzhou 350002, P. R. China;
2. Laboratoire de Chimie Organométallique de Surface, UMR CNRS-CPE 9986, 43, Bd du 11 Novembre 1918, 69616 Villeurbanne Ceder, France

Received:2000-09-27 Online:2001-12-24 Published:2011-08-04
Supported by:
Supported by the National Natural Science Foundation of China.

Abstract

Abstract: Zirconium monohydride bonded to the framework oxygen of MCM-41 surface was prepared by the reaction of tetraneopentyl zirconium with MCM-41 surface hydroxyl groups, followed by the hydrogenolysis of the resulted product.The surface hydride was characterized by using infrared spectroscopy, solid-state NMR, elemental analysis, gas-phase chromatography and chemical probing reaction.It was shown that this surface species is stable below 150 ℃ and can catalytically crack alkanes into methane and ethane at 100 ℃.

Key words: MCM-41, Zirconium hydride, Grafting reaction, Catalytic cracking

WANG Xu-xu, FU Xian-zhi, LEFEBVRE Frédéric, BASSET Jean-Marie. Preparation and Properties of Zirconium Hydride on the Surface of MCM-41 Mesoporous Molecular Sieves[J]. Chemical Research in Chinese Universities, 2001, 17(4): 426-431.

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Preparation and Properties of Zirconium Hydride on the Surface of MCM-41 Mesoporous Molecular Sieves

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