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[VIrendra20911]

Inlet temperature is 14°C and outlet temperature is 36°C in our ethylene cracker.Though pressure at I'll let and outlet is 32.8 barg.and CO is 0 ppm at PSA generally temp gradient at PSA is around 2°C.
So how it is possible such a high temperature gradient at PSA inlet and outlet.

[Bobby Strain]

First, look at the inlet gas composition.

 

Bobby