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    Navigation Using Self-Describing Fiducials
    3.
    发明公开
    Navigation Using Self-Describing Fiducials 审中-公开

    公开(公告)号：US20240069214A1

    公开(公告)日：2024-02-29

    申请号：US18386588

    申请日：2023-11-02

    申请人： Morgan E. Davidson ,  Randall S. Christensen ,  Richard C. Robinson

    发明人： Morgan E. Davidson ,  Randall S. Christensen ,  Richard C. Robinson

    IPC分类号： G01S19/40 ,  G01S19/48

    CPC分类号： G01S19/40 ,  G01S19/485

    摘要： In one embodiment, a navigation system may include at least one self-describing fiducial with a communication element to communicate navigation state estimation aiding information comprising a geographic position of the self-describing fiducial with respect to one or more coordinate systems and a first navigating object to receive navigation information from an exterior system, receive navigation state estimation aiding information from the self-describing fiducial, and compare the navigation information received from the exterior system to the navigation state estimation aiding information to improve navigation parameters of the first navigating object.

    Sulfur removal system for protection of reforming catalyst
    5.
    发明授权
    Sulfur removal system for protection of reforming catalyst 失效
    用于保护重整催化剂的脱硫系统

    公开(公告)号：US4925549A

    公开(公告)日：1990-05-15

    申请号：US166588

    申请日：1988-03-10

    申请人： Richard C. Robinson ,  Robert L. Jacobson ,  Leslie A. Field

    发明人： Richard C. Robinson ,  Robert L. Jacobson ,  Leslie A. Field

    IPC分类号： C10G59/02 ,  C10G69/08

    CPC分类号： C10G59/02 ,  C10G69/08

    摘要： A process for removing residual sulfur from a hydrotreated naphtha feedstock is disclosed. The feedstock is contacted with molecular hydrogen under reforming conditions in the presence of a less sulfur sensitive reforming catalyst, thereby converting trace sulfur compounds to H.sub.2 S, and forming a first effluent. The first effluent is contacted with a solid sulfur sorbent, removing the H.sub.2 S and forming a second effluent. The second effluent is contacted with a highly selective reforming catalyst under severe reforming conditions.

    摘要翻译： 公开了从加氢处理的石脑油原料中除去残余硫的方法。 在重硫条件下，在较少硫敏感的重整催化剂的存在下，原料与分子氢接触，从而将痕量硫化合物转化为H 2 S，并形成第一流出物。 将第一流出物与固体硫吸附剂接触，除去H 2 S并形成第二流出物。 在严格的重整条件下，将第二流出物与高度选择性的重整催化剂接触。

    Sulfur removal systems for protection of reforming catalysts
    9.
    发明授权
    Sulfur removal systems for protection of reforming catalysts 失效
    用于保护重整催化剂的除硫系统

    公开(公告)号：US5518607A

    公开(公告)日：1996-05-21

    申请号：US450

    申请日：1993-01-04

    申请人： Leslie A. Field ,  Ann Marie K. Hall ,  Richard C. Robinson ,  Robert L. Jacobson ,  Warren E. Brown ,  Dennis L. Holtermann

    发明人： Leslie A. Field ,  Ann Marie K. Hall ,  Richard C. Robinson ,  Robert L. Jacobson ,  Warren E. Brown ,  Dennis L. Holtermann

    IPC分类号： C10G59/02 ,  C10G69/08 ,  C10G35/06

    CPC分类号： C10G59/02 ,  C10G69/08

    摘要： A process is disclosed for removing residual sulfur from a hydrotreated naphtha feedstock. The feedstock is contacted with molecular hydrogen under reforming conditions in the presence of a less sulfur sensitive reforming catalyst to convert trace sulfur compounds to H.sub.2 S, and to form a first effluent. The first effluent is contacted with a solid sulfur sorbent to remove the H.sub.2 S and form a second effluent. The second effluent is then contacted with a highly selective reforming catalyst under severe reforming conditions. Also disclosed is a method using a potassium containing sulfur sorbent made from nitrogen-free potassium compounds.

    摘要翻译： 公开了从加氢处理的石脑油原料中除去残余硫的方法。 在重硫条件下，在较少硫敏感的重整催化剂的存在下，原料与分子氢接触，以将痕量硫化合物转化为H 2 S，并形成第一流出物。 将第一流出物与固体硫吸附剂接触以除去H 2 S并形成第二流出物。 然后在严格的重整条件下将第二流出物与高度选择性的重整催化剂接触。 还公开了使用由无氮钾化合物制成的含钾硫吸附剂的方法。

    Process to remove benzene from refinery streams
    10.
    发明授权
    Process to remove benzene from refinery streams 失效
    从炼油厂流中除去苯的工艺

    公开(公告)号：US5210348A

    公开(公告)日：1993-05-11

    申请号：US704367

    申请日：1991-05-23

    申请人： C. Richard Hsieh ,  Richard C. Robinson

    发明人： C. Richard Hsieh ,  Richard C. Robinson

    IPC分类号： C10G69/12

    CPC分类号： C10G69/123

    摘要： A substantially benzene-free product suitable for gasoline blending is formed from a benzene-containing refinery stream. At least about 30% of the benzene initially present in the stream is catalytically alkylated with C.sub.2 -C.sub.4 olefins to form alkylated products. Most preferably, the alkylation zone is present in the distillation column and the alkylated products drop to the lower portion of the column and are recovered with the heavy fraction. Alternatively, the alkylation zone is downstream of the distillation column and a secondary distillation column removes the heavier alkylated products. The remaining light fraction is hydrogenated to convert substantially all of the remaining non-alkylated benzene to cyclohexane and is isomerized to boost the octane of C.sub.5 -C.sub.7 paraffins, preferably in a single reactor. The combined light and heavy fractions, which contain the debenzenated and isomerized product and the alkylated benzene, can be combined to provide a substantially benzene-free gasoline blending stock, It is produced without deleterious effect on octane numbers and with increased volume as compared to the original refinery stream.

    摘要翻译： 适用于汽油混合的基本上不含苯的产物由含苯精炼料流形成。 最初存在于物流中的苯的至少约30％用C 2 -C 4烯烃催化烷基化以形成烷基化产物。 最优选地，烷基化区存在于蒸馏塔中，并且烷基化产物下降到塔的下部，并用重馏分回收。 或者，烷基化区在蒸馏塔的下游，二级蒸馏塔除去较重的烷基化产物。 将剩余的轻馏分氢化以将基本上所有剩余的非烷基化苯转化成环己烷，并将其异构化以促进C5-C7链烷烃的辛烷，优选在单个反应器中。 含有脱苯并异构化产物和烷基化苯的组合的轻和重馏分可以组合以提供基本上不含苯的汽油混合原料。与辛烷值相比，它产生的没有有害影响，并且与 原炼油厂流。