Three stage membrane separation with partial reflux
    1.
    发明授权
    Three stage membrane separation with partial reflux 有权
    三级膜分离与部分回流

    公开(公告)号:US09433888B2

    公开(公告)日:2016-09-06

    申请号:US14584465

    申请日:2014-12-29

    IPC分类号: B01D53/22 C01B23/00

    摘要: A first gas present at low concentration in a source gas is recovered from the source gas (comprising a fast first gas and a slow second gas) at a relatively high recovery using a particular scheme of three gas separation membrane stages. The non-permeate from the first stage is a product gas comprising the slow gas. The second stage feeds non-permeate to the third stage. The third stage non-permeate is combined with the gas fed to the first stage. The permeate from the second stage is divided into two portions. The second portion is a product gas comprising the fast gas. The first portion is combined with the permeates from the first and third stages and the combination is compressed and fed to the second stage. The invention is particularly applicable for separation of Helium from natural gas.

    摘要翻译: 使用三个气体分离膜级的特定方案,以相对高的回收率从源气体(包括快速第一气体和慢速第二气体)回收源气体中低浓度存在的第一气体。 来自第一阶段的非渗透物是包含慢气体的产物气体。 第二阶段不渗透到第三阶段。 第三级非渗透物与供给到第一级的气体组合。 来自第二阶段的渗透物被分成两部分。 第二部分是包含快速气体的产物气体。 第一部分与来自第一和第三阶段的渗透物组合,并将组合物压缩并进料至第二阶段。 本发明特别适用于从天然气中分离氦气。

    THREE STAGE MEMBRANE SEPARATION WITH PARTIAL REFLUX
    7.
    发明申请
    THREE STAGE MEMBRANE SEPARATION WITH PARTIAL REFLUX 有权
    三级隔膜与部分REFLUX分离

    公开(公告)号:US20160184769A1

    公开(公告)日:2016-06-30

    申请号:US14584465

    申请日:2014-12-29

    IPC分类号: B01D53/22 C01B23/00

    摘要: A first gas present at low concentration in a source gas is recovered from the source gas (comprising a fast first gas and a slow second gas) at a relatively high recovery using a particular scheme of three gas separation membrane stages. The non-permeate from the first stage is a product gas comprising the slow gas. The second stage feeds non-permeate to the third stage. The third stage non-permeate is combined with the gas fed to the first stage. The permeate from the second stage is divided into two portions. The second portion is a product gas comprising the fast gas. The first portion is combined with the permeates from the first and third stages and the combination is compressed and fed to the second stage. The invention is particularly applicable for separation of Helium from natural gas.

    摘要翻译: 使用三个气体分离膜级的特定方案,以相对高的回收率从源气体(包括快速第一气体和慢速第二气体)回收源气体中低浓度存在的第一气体。 来自第一阶段的非渗透物是包含慢气体的产物气体。 第二阶段不渗透到第三阶段。 第三级非渗透物与供给到第一级的气体组合。 来自第二阶段的渗透物被分成两部分。 第二部分是包含快速气体的产物气体。 第一部分与来自第一和第三阶段的渗透物组合,并将组合物压缩并进料至第二阶段。 本发明特别适用于从天然气中分离氦气。

    Pressure swing adsorption-type gas separation method and separation apparatus
    8.
    发明授权
    Pressure swing adsorption-type gas separation method and separation apparatus 失效
    变压吸附式气体分离方法和分离装置

    公开(公告)号:US08657922B2

    公开(公告)日:2014-02-25

    申请号:US13262092

    申请日:2010-03-17

    IPC分类号: B01D53/04

    摘要: A method which separates a component which is easily adsorbed by an adsorbent and a component which is not easily adsorbed by the adsorbent, from a feed gas which includes at least two kinds of components, with adsorption columns, wherein the adsorbent is filled in the adsorption columns and has strong adsorbability with respect to at least one kind of component included in the feed gas, and also has weak adsorbability with respect to at least one kind of other components included in the feed gas, and a temperature of the adsorbents which is filled in the column is maintained to be higher than the highest temperature of an ambient temperature around the adsorption columns which is variable throughout the year.

    摘要翻译: 将吸附剂容易吸附的成分和不容易被吸附剂吸附的成分从包含至少两种成分的原料气体与吸附塔分离的方法,其中吸附剂填充在吸附剂中 并且对于进料气体中包含的至少一种成分具有很强的吸附性,并且对于进料气体中包含的至少一种其它成分以及填充的吸附剂的温度也具有弱的吸附性 在柱中保持高于全年可变的吸附塔周围环境温度的最高温度。

    PRESSURE SWING ADSORPTION-TYPE GAS SEPARATION METHOD AND SEPARATION APPARATUS
    10.
    发明申请
    PRESSURE SWING ADSORPTION-TYPE GAS SEPARATION METHOD AND SEPARATION APPARATUS 失效
    压力振动吸附式气体分离方法和分离装置

    公开(公告)号:US20120024152A1

    公开(公告)日:2012-02-02

    申请号:US13262092

    申请日:2010-03-17

    IPC分类号: B01D53/047

    摘要: A method which separates a component which is easily adsorbed by an adsorbent and a component which is not easily adsorbed by the adsorbent, from a feed gas which includes at least two kinds of components, with adsorption columns, wherein the adsorbent is filled in the adsorption columns and has strong adsorbability with respect to at least one kind of component included in the feed gas, and also has weak adsorbability with respect to at least one kind of other components included in the feed gas, and a temperature of the adsorbents which is filled in the column is maintained to be higher than the highest temperature of an ambient temperature around the adsorption columns which is variable throughout the year.

    摘要翻译: 将吸附剂容易吸附的成分和不容易被吸附剂吸附的成分从包含至少两种成分的原料气体与吸附塔分离的方法,其中吸附剂填充在吸附剂中 并且对于进料气体中包含的至少一种成分具有很强的吸附性,并且对于进料气体中包含的至少一种其它成分以及填充的吸附剂的温度也具有弱的吸附性 在柱中保持高于全年可变的吸附塔周围环境温度的最高温度。