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Maximum catalyst temperature (hot spot) in adiabatic fixed-beds

โœ Scribed by Hong H. Lee

Book ID
103005897
Publisher
Elsevier Science
Year
1982
Tongue
English
Weight
611 KB
Volume
37
Category
Article
ISSN
0009-2509

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โœฆ Synopsis

Ab&aet-XohIitions are derived under. which the reactor proEk of catalyst temperature goes through a maximum at u point other than outlet in an adiabatic reactor. Relatively simple methods are developed for the cahdation of this maximum temperature. It is shown that the maximum catalyst temperature can increase with time for a certain time period when the catalyst undergoes deactivation. Conditiens under which this can happen are also derived. The maximum temperature always increases with time ia the co9es of uniform sintering and dependent poisoning nrovided that a certain ccndition is met in the latter case. if the initial maximum occurs at a point other than the butlet.

๐Ÿ“œ SIMILAR VOLUMES

Maximum temperature in fixed-bed sorptio
Maximum temperature in fixed-bed sorption columns and isosteric heats of adsorption
โœ Mark A. Pollock; Stanley H. Jury ๐Ÿ“‚ Article ๐Ÿ“… 1976 ๐Ÿ› Elsevier Science ๐ŸŒ English โš– 534 KB

Heat effects in fixed-bed sorption columns are often quite large and have a pronounced effect on the sorption kinetics. Proper design of such systems must include consideration of these effects. A method is developed for computing the maximum possible bed temperature. The model is tested on two sys