Method and system for sterilization of a cryogen

A system and method for sterilizing a cryogen is provided. In the disclosed embodiment a liquid cryogen is first vaporized and subsequently compressed prior to undergoing sterilization using biological filters. The compressed, sterilized cryogen vapor is then pre-cooled, preferably with the cryogen...

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Bibliographic Details
Main Authors CHENG ALAN T.Y, CHAKRAVARTHY VIJAYARAGHAVAN SRINIVASAN, GUPTA AMITABH
Format Patent
LanguageEnglish
Published 19.06.2008
Subjects
BLASTING
COMBINED HEATING AND REFRIGERATION SYSTEMS
HEAT PUMP SYSTEMS
HEATING
LIGHTING
LIQUEFACTION SOLIDIFICATION OF GASES
LIQUEFACTION, SOLIDIFICATION OR SEPARATION OF GASES OR GASEOUS
MANUFACTURE OR STORAGE OF ICE
MECHANICAL ENGINEERING
MIXTURES BY PRESSURE AND COLD TREATMENT
REFRIGERATION OR COOLING
WEAPONS
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Summary:A system and method for sterilizing a cryogen is provided. In the disclosed embodiment a liquid cryogen is first vaporized and subsequently compressed prior to undergoing sterilization using biological filters. The compressed, sterilized cryogen vapor is then pre-cooled, preferably with the cryogen being vaporized, to produce a partially condensed, cool, sterile cryogen stream and then further condensed using the liquid cryogen to produce a sterilized liquid cryogen.
Bibliography:Application Number: US20060639569