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To achieve efficient process operations, it is essential that appropriate process equipment is selected. For air...

To achieve efficient process operations, it is essential that appropriate process equipment is selected. For air separation based on cryogenic distillation, the selection of the wrong type of heat exchanger (HEX) can lead to sub-optimum plant performance, operability issues, and equipment failure. Briefly discuss the different types of heat exchangers available, and the suitability of the HEX for air separation units (ASUs) based on cryogenic distillation.

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