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In an adiabatic reactor, when a flow deviation occurs, is the part with higher flow rate at a higher temperature or a lower temperature?

2008-01-03View Original

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In adiabatic reactors, when there is a flow deviation (such as in shift converters and ammonia synthesis towers), is the section with higher flow rate at a higher temperature or a lower temperature? When is it high, and when is it low?
Reply #22008-01-03
The question is phrased incorrectly – is it an endothermic reaction or an exothermic reaction? It should be said that it depends on which has a greater temperature change; under adiabatic reaction conditions, it is the case that lower flow rates result in greater temperature changes, as the reaction proceeds more fully and thus the proportion of heat storage material decreases. Of course, if the conversion rate is 100% in both cases, then it’s the same.
Reply #32008-01-03
What was said upstairs is great! :) Reward
Reply #42008-01-03
If there is severe deviation, the conversion rate won’t reach 100% in all cases, right? Otherwise, it indicates that there is an issue with the setting of the process parameters; under normal conditions, the value should be exactly 99.9% or some other specific value. The adiabatic reaction of the host should be exothermic, right? The thermal effect of side reactions varies, and it has a different impact on the results; therefore, it cannot be generalized.

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