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Two stage psa for enrichment of trace xenon from atmospheric air

机译:两级PSA用于从大气中富集微量氙

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摘要

Atmospheric trace xenon (0.1 ppm) was enriched up to about 4000 times (400 ppm) by means of a 2-stage, 4-bed presusre swing adsorption (PSA) process equipped with enriching reflux and parallel equalization (PEQ), and utilizing MS-13X. Even for one stage, Xe enrichment exceeded that obtained from a single bed batch adsorption process by 40 times and from a two-bed PSA process equipped with stripping reflux by 16 times. Therefore, this new PSA process concept should prove to be very effective at enriching trace components.
机译:借助配备了富集回流和平行平衡(PEQ)的两阶段,四床床前摆动吸附(PSA)工艺,大气痕量氙气(0.1 ppm)富集了约4000倍(400 ppm) -13X。即使在一个阶段中,Xe富集也比单床分批吸附法的富集度高40倍,而配备了汽提回流的两床PSA工艺的富集度也超过16倍。因此,这种新的PSA工艺概念应被证明在丰富痕量成分方面非常有效。

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