In a catalytic cracking regenerator, catalyst particles at 600C are injected into air at 700C in a
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In a catalytic cracking regenerator, catalyst particles at 600°C are injected into air at 700°C in a fluidized bed. Neglecting the chemical reaction, how long will it take for a 50·μm particle to be heated to within 5°C of the air temperature? Assume the heat-transfer coefficient is the same as for a spherical particle falling at its terminal velocity.
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To find the time it takes for a 50 m catalyst particle to be heated to within 5C of the air temperature you can use the concept of heat transfer in fl...View the full answer
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Related Book For 
Unit Operations Of Chemical Engineering
ISBN: 9780072848236
7th Edition
Authors: Warren McCabe, Julian Smith, Peter Harriott
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