Mechanical strength and reliability of solid catalysts_中国颗粒学会

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Partic. vol. 2 no. 2 pp. 53-62 (April 2004)
doi: 10.1016/S1672-2515(07)60024-4

Mechanical strength and reliability of solid catalysts

Yongdan Lia,* , Dongfang Wua, Y.S. Linb

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ydli@tju.edu.cn

Abstract

The mechanical strength of solid catalysts is one of the key parameters for reliable and efficient performance of a fixed bed reactor. Some recent developments and their basic mechanics within this context are reviewed. The main concepts discussed are brittle fracture which leads to the mechanical failure of the catalyst pellets, measurement and statistical properties of the catalyst strength data, and mechanical reliability of the catalyst pellets and their packed bed. The scientific basis for the issues on the catalyst mechanical properties calls yet for further elucidation and advancement.

Keywords

mechanical strength of porous materials; reliability; solid catalyst; Weibull statistics; packed catalyst bed