Biogas purification cases

The impeller is the component of the centrifugal compressor that does the work on the gas, in which the temperature pressure and flow rate of the gas are increased. The impeller is a key component in determining the performance of the centrifuge. The impeller must be designed and manufactured to meet the following requirements: it must transmit more energy to the gas flowing through it; the gas flow in the impeller must have low energy losses; and the impeller's structural, thermal and flow par...

What is the reason for water ingress into the molecular sieve of the air separation equipment? What are the avoidance measures?