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    • 10. 发明授权
    • Process for the extraction of carbon monoxide from gas streams
    • 从气流中提取一氧化碳的方法
    • US4478621A
    • 1984-10-23
    • US488402
    • 1983-04-25
    • Rainer Fabian
    • Rainer Fabian
    • C01B32/40F25J3/02F25J3/06
    • C01B31/18F25J3/0223F25J3/0252F25J3/0261F25J3/0271F25J3/0675F25J2200/74F25J2205/04F25J2205/30F25J2210/04F25J2270/02F25J2270/04F25J2270/08F25J2270/24Y10S62/92
    • Processes for the separation of carbon monoxide from feed gas streams polluted with nitrogen are disclosed, in which the feed gas streams, which preferably include hydrogen and methane therein, are supplied to a distillation column, and including the steps of distilling the feed gas stream to produce as the sump product a first carbon monoxide stream of substantially pure liquid carbon monoxide, and a distillation gas stream containing nitrogen therein, heating the sump in the lower portion of the distillation column by contact with a second carbon monoxide stream, withdrawing the sump product from the distillation column, expanding the withdrawn sump product to reduce its temperature, cooling the distillation gas stream in the upper portion of the distillation column by contact with at least a portion of the expanded sump product, recycling at least a portion of the first carbon monoxide stream to provide the second carbon monoxide stream, and withdrawing at least a portion of the first carbon monoxide stream as a product stream.
    • 公开了用氮气分离源自进料气流的一氧化碳的方法,其中将优选包含氢气和甲烷的原料气流供应到蒸馏塔,并且包括将原料气流蒸馏到 作为贮槽产物产生基本上纯的液体一氧化碳的第一一氧化碳流和其中含有氮的蒸馏气流,通过与第二一氧化碳流接触来加热蒸馏塔下部的集油槽,抽出油槽产物 从蒸馏塔中扩张抽出的贮槽产物以降低其温度,通过与膨胀的贮槽产物的至少一部分接触冷却蒸馏塔上部的蒸馏气流,将至少一部分第一碳 一氧化碳流以提供第二一氧化碳流,并且抽出至少一部分冷杉 一氧化碳流作为产品流。