利索-全球专利检索

  1. 登录
  2. 注册

搜索结果

30 条记录 (耗时 0.027 秒)

    High purity oxygen production by pressure swing adsorption
    4.
    发明授权
    High purity oxygen production by pressure swing adsorption 有权
    通过变压吸附制备高纯度氧气

    公开(公告)号：US06544318B2

    公开(公告)日：2003-04-08

    申请号：US09782236

    申请日：2001-02-13

    申请人： Douglas Paul Dee ,  Robert Ling Chiang ,  Edwin John Miller ,  Roger Dean Whitley

    发明人： Douglas Paul Dee ,  Robert Ling Chiang ,  Edwin John Miller ,  Roger Dean Whitley

    IPC分类号： B01D53047

    CPC分类号： B01D53/047 ,  B01D53/0476 ,  B01D2253/1085 ,  B01D2253/25 ,  B01D2256/12 ,  B01D2257/102 ,  B01D2257/11 ,  B01D2259/4003 ,  B01D2259/40064 ,  B01D2259/402 ,  B01D2259/4146 ,  Y10S95/902

    摘要： Pressure swing adsorption process for the recovery of high purity oxygen from a feed gas comprising oxygen, nitrogen, and argon. The process includes a forward flow stage which comprises (a) passing the feed gas into a first adsorption zone containing an adsorbent selective for the adsorption of nitrogen over oxygen and argon, and withdrawing therefrom a nitrogen-depleted intermediate gas; (b) passing the nitrogen-depleted intermediate gas into a second adsorption zone containing an adsorbent which is selective for the adsorption of nitrogen over argon and selective for the adsorption of argon over oxygen; (c) withdrawing an oxygen-enriched product gas from the second adsorption zone; and (d) terminating the passing of feed gas into the first adsorption zone and withdrawing an oxygen-enriched depressurization gas from the second adsorption zone in the same flow direction as (c). During (a) or during (d), nitrogen breakthrough from the first adsorption zone can occur and nitrogen can be adsorbed in the second adsorption zone.

    摘要翻译： 用于从包含氧，氮和氩的进料气中回收高纯度氧的变压吸附方法。 该方法包括正向流动阶段，其包括（a）使进料气体进入含有选择性地吸附氮气的氧气和氩气并从其中排出贫氮中间气体的第一吸附区域; （b）将贫氮中间气体通入含有吸附剂的第二吸附区，所述吸附剂选择性地吸附氮气并且选择性地吸附氧气; （c）从第二吸附区抽出富氧产物气体; 和（d）终止进料气体进入第一吸附区并从与第（c）相同的流动方向从第二吸附区抽出富氧减压气体。 在（a）期间或（d）期间，可能会发生第一吸附区的氮气穿透，氮吸附在第二吸附区。

    Performance stability in shallow beds in pressure swing adsorption systems
    9.
    发明申请
    Performance stability in shallow beds in pressure swing adsorption systems 有权
    变压吸附系统浅层床的性能稳定性

    公开(公告)号：US20080083332A1

    公开(公告)日：2008-04-10

    申请号：US11542948

    申请日：2006-10-04

    申请人： Matthew James LaBuda ,  Timothy Christopher Golden ,  Roger Dean Whitley

    发明人： Matthew James LaBuda ,  Timothy Christopher Golden ,  Roger Dean Whitley

    IPC分类号： B01D53/047

    CPC分类号： B01D53/02 ,  B01D53/047 ,  B01D2253/104 ,  B01D2253/108 ,  B01D2253/304 ,  B01D2256/12 ,  B01D2257/102 ,  B01D2257/11 ,  B01D2257/80 ,  B01D2259/4146 ,  C01B13/0259 ,  C01B2210/0046 ,  C01B2210/0051 ,  C01B2210/0062 ,  C01B2210/0082

    摘要： PSA process for oxygen production comprising (a) providing an adsorber having a first layer of adsorbent selective for water and a second layer of adsorbent selective for nitrogen, wherein the heat of adsorption of water on the adsorbent in the first layer is ≦ about 14 kcal/mole at water loadings≧ about 0.05 mmol per gram; (b) passing a feed gas comprising at least oxygen, nitrogen, and water successively through the first and second layers, adsorbing water in the first layer of adsorbent, and adsorbing nitrogen in the second layer of adsorbent, wherein the mass transfer coefficient of water in the first layer is in the range of about 125 to about 400 sec−1 and the superficial contact time of the feed gas in the first layer is between about 0.08 and about 0.50 sec; and (c) withdrawing a product enriched in oxygen from the adsorber.

    摘要翻译： 用于氧气生产的PSA方法，包括（a）提供具有对水有选择性的第一吸附剂吸附剂和对氮气有选择性的第二吸附剂层的吸附器，其中在第一层中的吸附剂上的水的吸附热< kcal / mole在水负荷下> =约0.05mmol / g; （b）使至少包含氧，氮和水的进料气体依次通过第一和第二层，吸附第一层吸附剂中的水并吸附第二层吸附剂中的氮，其中水的传质系数 在第一层中在约125至约400秒-1的范围内，并且第一层中进料气体的表面接触时间在约0.08至约0.50秒之间; 和（c）从吸附器中取出富含氧的产物。