Low temperature air separation process for producing pressurized gaseous product
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United States of America Patent
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Jul 8, 2014
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N/A
app pub date -
Jul 12, 2005
filing date -
Jul 14, 2004
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Abstract
A compressed air stream is cooled in an exchanger to form a compressed cooled air stream. The stream is then cryogenically compressed in a first compressor to form a first pressurized gas stream. The first pressurized gas stream is further cooled in the exchanger, cryogenically compressed in a second compressor, and then it is cooled and partially liquefied. The cooled and partially liquefied product is then fed to a system of distillation columns. A liquid product is removed from the system of distillation columns. This product is then pressurized, vaporized and warmed in the exchanger to yield pressurized gaseous product.
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