利索-全球专利检索

  1. 登录
  2. 注册

搜索结果

57 条记录 (耗时 0.02 秒)

    EVAPORATIVE FUEL VAPOR EMISSION CONTROL SYSTEMS
    2.
    发明申请
    EVAPORATIVE FUEL VAPOR EMISSION CONTROL SYSTEMS 有权
    蒸气燃料蒸汽排放控制系统

    公开(公告)号：US20150275727A1

    公开(公告)日：2015-10-01

    申请号：US14434690

    申请日：2013-10-10

    申请人： MeadWestvaco Corporation

    发明人： Laurence H. Hiltzik ,  Peter D. McCrae ,  James R. Miller ,  Roger S. Williams

    IPC分类号： F01N3/08 ,  B01D53/04 ,  F02M25/08

    CPC分类号： F01N3/0835 ,  B01D53/0407 ,  B01D53/0415 ,  B01D2253/102 ,  B01D2257/70 ,  B01D2257/7022 ,  B01D2259/402 ,  B01D2259/404 ,  B01D2259/406 ,  B01D2259/41 ,  B01D2259/4145 ,  B01D2259/4516 ,  B01D2259/4566 ,  F01N3/0807 ,  F02M25/0854 ,  F02M25/089

    摘要： An evaporative emission control canister system comprises an initial adsorbent volume having an effective incremental adsorption capacity at 25° C. of greater than 35 grams n-butane/L between vapor concentration of 5 vol % and 50 vol % n-butane, and at least one subsequent adsorbent volume having an effective incremental adsorption capacity at 25° C. of less than 35 grams n-butane/L between vapor concentration of 5 vol % and 50 vol % n-butane, an effective butane working capacity (BWC) of less than 3 g/dL, and a g-total BWC of between 2 grams and 6 grams. The evaporative emission control canister system has a two-day diurnal breathing loss (DBL) emissions of no more than 20 mg at no more than 210 liters of purge applied after the 40 g/hr butane loading step.

    摘要翻译： 蒸发排放控制罐系统包括初始吸附剂体积，其在25℃下具有大于35克正丁烷/升的有效增量吸附容量，蒸气浓度为5体积％至50体积％正丁烷之间，至少 一个随后的吸附剂体积在25℃下具有小于35克正丁烷/升的有效增量吸附容量，蒸气浓度为5体积％至50体积％正丁烷之间，有效的丁烷工作容量（BWC）较小 超过3g / dL，g-总BWC在2克和6克之间。 蒸发排放控制罐系统在40g / hr丁烷装载步骤之后不超过210升吹扫，具有不超过20mg的两天昼夜呼吸损失（DBL）排放。

    Versatile simulated moving bed systems
    4.
    发明申请
    Versatile simulated moving bed systems 审中-公开
    多功能模拟移动床系统

    公开(公告)号：US20060273013A1

    公开(公告)日：2006-12-07

    申请号：US11500606

    申请日：2006-08-08

    申请人： Nien-Hwa Chin ,  Chim Chin

    发明人： Nien-Hwa Chin ,  Chim Chin

    IPC分类号： B01D15/08

    CPC分类号： B01D53/0446 ,  B01D15/1842 ,  B01D53/0423 ,  B01D53/047 ,  B01D2253/202 ,  B01D2257/70 ,  B01D2257/90 ,  B01D2259/40005 ,  B01D2259/406 ,  B01D2259/4065 ,  B01D2259/4067

    摘要： Distributed valve simulated moving beds are described in which junctions located between successive columns interrupt the flow of process fluid between columns, and either transmit the process fluid through a zone bypass to a succeeding column within the same zone or, if the junction is located between zones, direct the process fluid to an input/output line that is dedicated to the particular zone that immediately follows the junction. At each step of the SMB's operation, the distribution of flows in each junction is modulated to accomplish movement of ports consistent with the SMB's design. The described system can be employed to accomplish moving ports chromatography. Further described are simulated moving beds that contain one or more decoupled on-line regeneration zones. The regeneration zone is decoupled from the separation zones in the sense that it observes a step time (a “regeneration interval”) that is different than the step time observed by the separation zones of the SMB. Because the regeneration zone is “on-line,” the SMB need not be stopped to remove columns for regeneration. Because the regeneration zone is decoupled from the separation zones, the column can stay in the regeneration zone as long as needed to accomplish the regeneration, regardless of the step time observed by the SMB.

    摘要翻译： 描述了分布式阀模拟移动床，其中位于连续柱之间的连接点中断了塔之间的过程流体的流动，并且将过程流体通过区域旁路传送到同一区域内的后续柱，或者如果结点位于区域之间 将工艺流体引导到专用于紧接在结点之后的特定区域的输入/输出线。 在SMB运营的每个步骤中，调整每个交叉点的流量分布，以实现与SMB设计一致的端口的移动。 所描述的系统可用于实现移动端口色谱。 进一步描述的是包含一个或多个解耦的在线再生区的模拟移动床。 在再现区域与分离区域分离的意义上，它观察到与SMB分离区观察到的步进时间不同的步骤时间（“再生间隔”）。 因为再生区域是“在线”，所以不需要停止SMB以除去再生区。 因为再生区域与分离区分离，所以只要需要完成再生，柱子就可以停留在再生区域中，而不管SMB观察到的步骤时间如何。

    WATER REMOVAL AND HEAVY-HYDROCARBON REMOVAL PROCESS IN LIQUEFIED NATURAL GAS PRODUCTION FROM MIXED GAS RICH IN METHANE
    10.
    发明申请
    WATER REMOVAL AND HEAVY-HYDROCARBON REMOVAL PROCESS IN LIQUEFIED NATURAL GAS PRODUCTION FROM MIXED GAS RICH IN METHANE 有权
    从甲烷混合气体制备的液化天然气中的水去除和重油脱除过程

    公开(公告)号：US20140345320A1

    公开(公告)日：2014-11-27

    申请号：US14345401

    申请日：2012-09-13

    申请人： Yonggen Xuan ,  Huazhou Xu

    发明人： Yonggen Xuan ,  Huazhou Xu

    IPC分类号： F25J3/06

    CPC分类号： F25J3/0635 ,  B01D53/0423 ,  B01D53/0462 ,  B01D2256/245 ,  B01D2257/702 ,  B01D2257/80 ,  B01D2259/40001 ,  B01D2259/402 ,  B01D2259/406 ,  B01D2259/416 ,  C10L3/101 ,  C10L3/102 ,  C10L3/106 ,  C10L2290/08 ,  C10L2290/12 ,  C10L2290/541 ,  C10L2290/542 ,  C10L2290/543 ,  F25J3/061 ,  Y02C20/20

    摘要： A process for dehydrating and removing heavy hydrocarbons in the production of liquefied natural gas from a methane-rich gas mixture is disclosed, wherein the methane-rich gas mixture subjected to deacidification treatment is divided into two streams, i.e. the first stream and the second stream, wherein the first stream used as a system process gas is introduced into a drying procedure, and the second stream used as regenerating gas is introduced into a regenerating procedure; the first stream is subjected to a drying treatment, and the moisture and the heavy hydrocarbons are simultaneously removed from the first stream in a composite adsorbent bed(s) of a drying tower, wherein the moisture is removed such that the dew point at normal pressure is ≦−76° C. and the heavy hydrocarbon components of C6 and higher are removed such that the content of these components is ≦217 ppm; and the second stream is used as a regenerating gas in the regenerating procedure of the above-mentioned drying tower, subjected to a regenerating process, and then returned as a part of the system process gas. Comparing to those conventional processes, the present invention can achieve good purifying effect, lower equipment investment and late-stage energy consumption of the system, increase utilization ratio of feed gas, and the operation target of each unit becomes more clear and easy to control. The present invention further relates to an apparatus for carrying out the process.

    摘要翻译： 公开了一种从富含甲烷的气体混合物中脱氢和除去液化天然气生产中的重质烃的方法，其中进行脱酸处理的富含甲烷的气体混合物被分成两股流，即第一流和第二流 其中将用作系统工艺气体的第一料流引入干燥程序中，将用作再生气体的第二料流引入再生方法; 对第一流进行干燥处理，并且在干燥塔的复合吸附床中同时从第一流中除去水分和重质烃，其中去除水分使得常压下的露点 是-76℃，并且除去C6和更高的重质烃组分，使得这些组分的含量为217ppm; 并且在上述干燥塔的再生过程中将第二流用作再生气体，进行再生过程，然后作为系统工艺气体的一部分返回。 与传统方法相比，本发明可以实现良好的净化效果，较低的设备投入和系统的后期能耗，提高进料气的利用率，每个单元的运行目标变得更加清晰易控。 本发明还涉及一种用于执行该过程的装置。