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COMBINATION OF THE MEMBRANE METHOD AND ADSORPTION WITH VARIABLE PRESSURE IN THE PLANT FOR PRODUCING ISOBUTANE AND NITROGEN
COMBINATION OF THE MEMBRANE METHOD AND ADSORPTION WITH VARIABLE PRESSURE IN THE PLANT FOR PRODUCING ISOBUTANE AND NITROGEN
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机译:膜方法的组合及其在生产异丁烷和氮气中的可变压力
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摘要
A process for component separation in a polymer production system, comprising: separating a polymerization product stream into a gas stream and a polymer stream; contacting the polymer stream with a purge gas to yield a purged polymer stream and a spent purge gas stream; introducing the spent purge gas stream to a compressor to produce a compressed gas stream; introducing the compressed gas stream to a first separation unit to produce a first hydrocarbon stream and a membrane unit feed stream; introducing the membrane unit feed stream to a membrane unit to produce a first recovered purge gas stream and a retentate stream; introducing the retentate stream to a second separation unit to produce a second hydrocarbon stream and a PSA unit feed stream; and introducing the PSA unit feed stream to a PSA unit to produce a second recovered purge gas stream and a tail gas stream.
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