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

Claim 23:
24. The process according to claim 1, wherein the water is in the form of liquid water, said process comprising:
humidifying the hydrogen gas with the liquid water in a first 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 first direct contact cooler and feeding the humidified hydrogen gas to the centrifugal compression stage for compression to produce compressed hydrogen gas; and
removing excess liquid water from the bottom of the first direct contact cooler;
recycling as required a portion of the compressed hydrogen gas produced in the centrifugal compression stage to the first direct contact cooler after suitable pressure reduction and without any cooling.