Hydrogen-concentrating process and apparatus

Details Hydrogen-concentrating process and apparatus Hydrogen-concentrating process and apparatus

1984-05-08

1986-04-01

Husar, Stephen F.

Power plants

Motive fluid energized by externally applied heat

Process of power production or system operation

60648, 60657, F01K 2506

Patent

active

045789525

ABSTRACT:
The starting gas is partly condensed in an exchanger 1. The refrigerating power is supplied, on one hand, by the free expansion of the liquid fraction and, on the other hand, by expansion in a gas-bearing turbine of the vapor fraction rich in hydrogen. A small part of this vapor fraction is used to feed auxiliary gases to the turbine, then is cooled in the exchanger 1, expanded and injected into the expanded liquid fraction so as to obtain a sufficiently low bubble point. The invention is useful in recovering hydrogen from purge gases of apparatus for ammonia synthesis, the purge gases being composed of hydrogen and less volatile components.

REFERENCES:
patent: 3038318 (1962-06-01), Hanny
patent: 3568438 (1971-03-01), Meienberg
patent: 4273743 (1981-06-01), Barber et al.

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