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    • 8. 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。
    • 9. 发明申请
    • METHOD FOR PREPURIFYING AIR IN AN ACCELERATED TSA CYCLE
    • 在加速TSA循环中预制空气的方法
    • WO2005000447A8
    • 2005-03-10
    • PCT/FR2004050283
    • 2004-06-18
    • AIR LIQUIDEHEMERYCK CELINAMONEREAU CHRISTIAN
    • HEMERYCK CELINAMONEREAU CHRISTIAN
    • B01D53/04
    • B01D53/0431B01D53/0462B01D53/261B01D2253/104B01D2253/108B01D2257/404B01D2257/504B01D2257/702B01D2257/80B01D2259/40007B01D2259/40052B01D2259/4006B01D2259/4009B01D2259/402B01D2259/4146B01D2259/416Y02C10/08
    • The invention relates to a method for prepurifying air by means of adsorption, using two adsorption recipients operating alternately, in parallel, and in a TSA cycle, each recipient containing an adsorbent arranged on a radial adsorption bed, and each adsorption cycle consisting of (a) an adsorption stage during which the impurities are eliminated on the adsorbent at an adsorption temperature (rads), the air crossing the adsorption bed in a centripetal manner; (b) a regeneration stage during which the adsorbent is regenerated by flushing with a regeneration gas at a regeneration temperature (Treg), such as Treg > Tads, in order to desorb the impurities; et (c) an adsorbent cooling stage during which the temperature of the regenerated adsorbent is reduced. The maximum duration (rads) of the adsorption is 120 minutes, preferably between 60 and 120 minutes. The regeneration gas is introduced in such a way that it flushes the bed containing the adsorbent in the centrifugal direction. The maximum regeneration rate is 35 % of the adsorption rate. The regeneration temperature is reached by means of a heat exchanger arrange outside the adsorber.
    • 本发明涉及一种通过吸附预净化空气的方法,该方法使用交替操作的两个吸附接收器,并行地和在TSA循环中,每个接收器包含布置在径向吸附床上的吸附剂,并且每个吸附循环由(a )吸附阶段,在吸附阶段期间吸附剂上的杂质在吸附温度(rads)下被消除,空气以向心方式穿过吸附床; (b)再生阶段,在该阶段中,通过在再生温度(Treg)下用再生气体冲洗再生吸附剂,例如Treg> Tads,以解吸杂质; 和(c)吸附剂冷却阶段,在此期间再生吸附剂的温度降低。 吸附的最大持续时间(rads)是120分钟,优选60-120分钟。 再生气体以这样的方式引入,即它在离心方向上冲洗含有吸附剂的床。 最大再生率是吸附率的35%。 借助布置在吸附器外部的热交换器达到再生温度。