Process and Apparatus for the Liquefaction of Carbon Dioxide
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United States of America Patent
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Issued Date -
Jul 3, 2008
app pub date -
Jul 14, 2005
filing date -
Jul 16, 2004
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
Apparatus for carbon dioxide liquefaction comprising a flow channel for carbon dioxide passage from an inlet port to an outlet port. The channel comprises a plurality of compressors (2, 5, 8) and coolers (4, 7, 9, 10, 13) arranged in series with an expansion chamber (14, 15) in said flow channel downstream of the final compressor (8) and cooler (9, 10, 13). The apparatus also comprises a recirculation channel (16) arranged to return gaseous carbon dioxide from said expansion chamber (15) into said flow channel (3) upstream of said final compressor (8) and cooler (9, 10, 13).
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