System and process for gas recovery

Details System and process for gas recovery System and process for gas recovery

2006-06-27

2006-06-27

Caldarola, Glenn (Department: 1764)

Chemical apparatus and process disinfecting, deodorizing, preser

Chemical reactor

Waste gas purifier

C062S600000, C062S608000, C062S639000, C423S210000, C423S215500

Reexamination Certificate

active

07067087

ABSTRACT:
This invention is directed to a three-stage process for recovering and purifying a helium gas, and a system for using the three-stage process. The steps comprise a) introducing a gas from a cold spray forming chamber to a particulate removing apparatus to form a particulate-free helium gas, and recycling a first portion of the particulate-free helium gas back to the chamber; b) passing a second portion of the particulate-free helium gas to a first compressor prior to passing a helium gas purification membrane to form a purified helium gas and an exhaust gas, and passing the purified helium gas to mix with the first portion of particulate-free helium gas to the chamber; and c) passing a third portion of the particulate-free helium gas to a liquid separator apparatus to remove water and a receiver to dampen any pulsations to form a liquid-free helium gas, and recycling the liquid-free helium gas to said cold spray forming chamber.

REFERENCES:
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patent: 5302414 (1994-04-01), Alkhimov et al.
patent: 5377491 (1995-01-01), Schulte
patent: 5391358 (1995-02-01), Heim
patent: 5938866 (1999-08-01), Andersson et al.
patent: 6517791 (2003-02-01), Jaynes

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