Multiple circuit cryogenic liquefaction of industrial gas
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United States of America Patent
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Aug 22, 2000
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app pub date -
Dec 30, 1998
filing date -
Dec 30, 1998
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Abstract
A method for more efficiently cooling and liquefying industrial gas wherein refrigeration for the cooling and liquefaction is generated using first and second defined multicomponent refrigerant fluids in separate refrigeration circuits to cover a wide temperature range from ambient to cryogenic temperature.
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