Patent ID: 11926906
Assignee: AIR PRODUCTS AND CHEMICALS, INC.
Field: Surface technology, coating (Chemistry)
Classification: CPC C  F  Y | IPC C  F

Claim 24:
25. The process according to claim 24, wherein the centrifugal compression stage is an initial stage or an intermediate stage of the multistage compression system, said process comprising:
humidifying compressed hydrogen gas from the centrifugal compression stage with liquid water in a second direct contact cooler having a top, a bottom and at least one heat and/or mass transfer zone located therebetween;
removing humidified hydrogen gas from the top of the second direct contact cooler and feeding the humidified hydrogen gas to a further centrifugal compression stage for compression to produce further compressed hydrogen gas; and
removing excess liquid water from the bottom of the second direct contact cooler.