Regarding the use of CaCl2 aqueous solution as a refrigerant
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When using an aqueous CaCl2 solution as a refrigerant, what is an appropriate temperature difference between the inlet and outlet temperatures? Or what are the requirements in this regard?
5°C difference. Adjust according to the process requirements.
Is it reasonable for the difference to be greater than 5°C?
To conduct economic calculations, when the temperature difference is small, the flow rate is high, which increases the transportation costs； A large temperature difference increases the heat transfer area, thereby raising equipment costs.
I mainly want to know whether the temperature difference is appropriate; for example, the designed temperature difference for lava is generally no more than 5 degrees