Process for the purification of natural gas
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United States of America Patent
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Dec 29, 1992
Grant Date -
N/A
app pub date -
Oct 9, 1991
filing date -
Oct 9, 1991
priority date (Note) -
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Abstract
A process is provided for the purification of natural gas wherein the nitrogen content of natural gas is reduced to pipeline specification using a pressure swing adsorption processes with a suitable selective adsorbent for methane purification. More specifically, the present invention relates to the use of a particular combination of steps in the PSA cycle to produce a product natural gas having a reduced nitrogen content, a nitrogen-rich stream and a high heat content fuel gas stream.
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