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    • 73. 发明申请
    • LIMITING OF IMPURITY PEAKS
    • 限制峰值
    • WO2008132377A3
    • 2009-02-05
    • PCT/FR2008050478
    • 2008-03-20
    • AIR LIQUIDEMONEREAU CHRISTIANPULLUMBI PLUTONRODRIGUES GUILLAUME
    • MONEREAU CHRISTIANPULLUMBI PLUTONRODRIGUES GUILLAUME
    • C01B3/56B01D53/047
    • C01B3/56B01D53/04B01D53/047B01D2253/108B01D2253/342B01D2256/16B01D2257/502B01D2259/41C01B2203/047
    • A process of purifying or separating a feed gas stream containing hydrogen H2 and a molar content of carbon monoxide (CO) greater than or equal to 1000 ppm, in which: a) said feed gas stream is introduced continuously into a first purification unit (10) of the PSA type containing a first adsorbent on which the CO is preferably adsorbed; b) the gas originating from step a), at least partially purified of CO and having an average molar CO content T less than or equal to Tacc and selectively a first maximum CO content TMo greater than Tacc, is recovered; c) the gas originating from step b) is introduced into a downstream adsorber (20) containing at least a second adsorbent (21) on which the CO is preferably adsorbed; d) the H2-enriched gas originating from step c) having an average CO content T and a maximum CO content TMi that are both less than or equal to Tacc, is recovered, characterized in that Tacc is less than or equal to 100 ppm.
    • 一种净化或分离含氢H 2和一氧化碳(CO)的摩尔含量大于或等于1000ppm的进料气流的方法,其中:a)将所述进料气流连续引入第一纯化单元(10 )含有优选吸附有CO的第一吸附剂的PSA型; b)回收至少部分纯化的CO并且具有小于或等于Tacc的平均摩尔CO含量T和选择性地大于Tacc的第一最大CO含量TMo的气体; c)将来自步骤b)的气体引入含有至少第二吸附剂(21)的下游吸附器(20),CO吸附在其上优选被吸附; d)回收源自小于或等于Tacc的平均CO含量T和最大CO含量TMi的步骤c)的富H 2气体,其特征在于Tacc小于或等于100ppm。