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A high cryogenic air separation method for producing elevated pressure nitrogen cir, and oxygen purity
A high cryogenic air separation method for producing elevated pressure nitrogen cir, and oxygen purity
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机译:一种高低温空气分离方法,用于生产高压氮气和氧气纯度
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摘要
A process for the production of ultrahigh purity oxygen and elevated pressure nitrogen by the cryogenic rectification of air wherein the product oxygen is recovered from a secondary column at a point above the liquid sump while impurities are removed from the column at a distance from the product withdrawal point.
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