Thermodynamics: Exothermic & endothermic reaction in counter current flow

In summary, the question being discussed is whether in a co-current flow reactor with an exothermic and endothermic reaction separated by a thin wall for heat transfer, the endothermic reaction will always be faster than the exothermic one if all conditions remain the same. The same question is also posed for a counter-current flow situation. The speaker, who is knowledgeable in chemical engineering and heat transfer, admits to not fully understanding the question.
  • #1
de85
1
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Hi guys, I have a scenario here; let's say we have a exothermic reaction and a endothermic reaction going in co-current flow reactor (separated by a thin wall to facilitate heat transfer).

At steady state after some time, from the concentration profile, we have the endothermic reaction going at a faster rate than the exothermic one.

If all conditions remain the same (i.e. reactants, starting temperature) does that means endothermic reaction will be the faster one even if there is no heat transfer between the two?

How about for a counter-current flow situation with all the above conditions remaining the same? Which will be the faster one at steady state?

Have I written enough information?
 
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  • #2
Even as an experienced chemical engineer with reaction engineering and heat transfer experience, I am unable to understand the essence of what this OP is asking.
 

1. What is the difference between exothermic and endothermic reactions?

Exothermic reactions release heat energy into the surrounding environment, whereas endothermic reactions absorb heat energy from the surrounding environment.

2. What is counter current flow in the context of thermodynamics?

Counter current flow refers to the movement of two substances or fluids in opposite directions, which allows for more efficient transfer of heat or energy between them.

3. How does counter current flow affect the efficiency of exothermic and endothermic reactions?

In exothermic reactions, counter current flow helps to maximize the release of heat energy into the surrounding environment. In endothermic reactions, counter current flow allows for more efficient absorption of heat energy from the surrounding environment.

4. Are there any real-life examples of counter current flow in thermodynamics?

Yes, counter current flow is commonly used in industrial processes such as distillation, where it helps to increase the efficiency of heat transfer between different liquids. It is also seen in biological systems, such as the gills of fish, where it aids in efficient gas exchange.

5. How is thermodynamics related to exothermic and endothermic reactions in counter current flow?

Thermodynamics is the study of energy and its transformations, and exothermic and endothermic reactions are examples of these transformations. In counter current flow, thermodynamic principles are applied to optimize the transfer of energy between two substances or fluids.

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