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A computational algorithm for catalysts experiencing concentration‐dependent deactivation
Authors:Hor‐Da Juang  Hung‐Shan Weng
Affiliation:Department of Chemical Engineering , National Cheng Kung University , Tainan, Taiwan 700, R.O.C.
Abstract:Abstract

A computational algorithm is proposed for catalyst pellets or reactors experiencing concentration‐dependent deactivation. In the integration of the deactivation equation in each time interval, the concentration of poison, reactant or/and product is considered to be a constant. The value of concentration is recalculated from the mass balance equation before integrating the deactivation equation. By such an approach, the number of equations is reduced; thus a two‐dimensional problem can be converted to a single‐dimensional one.
Keywords:screw dislocation  stress intensity factor  crack
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