Influence of Air Stream Pulverization on the Surface Acid Center and Catalytic Property of Zeolite

Chinese Journal of Applied Chemistry ›› 1996, Vol. 0 ›› Issue (3): 105-106.

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Influence of Air Stream Pulverization on the Surface Acid Center and Catalytic Property of Zeolite

Dong Weiyi¹, Zhang Wenjie², Tao Keyi², Shu Ming²

1. Institute of New Energy Material Chemistry, Nankai University, Tianjin 300071;
2. Department of Chemistry, Nankai University, Tianjin

Received:1995-08-19 Revised:1995-12-18 Published:1996-06-10 Online:1996-06-10

Abstract

Abstract: The ZSM-5 and Y zeolites were pulverized by air stream to form fine particles. The particle size distribution,surface area,IR and TPD spectra were determined for both of the raw and fine particles.The catalytic activity of fine particle in cumene cracking was com-pared with the raw on pulse microreactor connected on line with a chromatograph.After ZSM-5 and Y zeolites being pulverized,their B and L acid amount increased and catalytic activity improved apparently.

Key words: air stream pulverization, zeolite, acid center, catalysis property, cracking

Dong Weiyi, Zhang Wenjie, Tao Keyi, Shu Ming. Influence of Air Stream Pulverization on the Surface Acid Center and Catalytic Property of Zeolite[J]. Chinese Journal of Applied Chemistry, 1996, 0(3): 105-106.

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Influence of Air Stream Pulverization on the Surface Acid Center and Catalytic Property of Zeolite

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