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    Catalyst and process for improving the adiabatic steam-reforming of natural gas
    21.
    发明申请
    Catalyst and process for improving the adiabatic steam-reforming of natural gas 有权
    用于改善天然气绝热蒸汽重整的催化剂和方法

    公开(公告)号：US20060008413A1

    公开(公告)日：2006-01-12

    申请号：US10888658

    申请日：2004-07-08

    Applicant: Diwakar Garg ,  Shankar Nataraj ,  Kevin Fogash ,  James O'Leary ,  William Licht ,  Sanjay Mehta ,  Eugene Genkin

    Inventor： Diwakar Garg ,  Shankar Nataraj ,  Kevin Fogash ,  James O'Leary ,  William Licht ,  Sanjay Mehta ,  Eugene Genkin

    IPC: C01B3/26

    CPC classification number: C10G11/02 ,  B01J23/78 ,  B01J35/10 ,  B01J35/1009 ,  B01J35/1066 ,  B01J35/108 ,  C01B3/40 ,  C01B2203/0233 ,  C01B2203/1058 ,  C01B2203/1094 ,  Y02P20/52

    Abstract: A process for adiabatically prereforming a feedstock, includes: providing an adiabatic reactor; providing a catalyst containing 1-20 wt. % nickel and 0.4-5 wt. % potassium, wherein the catalyst has an overall catalyst porosity of 25-50% with 20-80% of the overall catalyst porosity contributed by pores having pore diameters of at least 500 Å; providing the feedstock containing natural gas and steam, wherein the natural gas contains an initial concentration of higher hydrocarbons, and a ratio of steam to natural gas in the feedstock is from 1.5:1 to 5:1; preheating the feedstock to a temperature of 300-700° C. to provide a heated feedstock; providing the heated feedstock to the reactor; and producing a product containing hydrogen, carbon monoxide, carbon dioxide, unreacted methane, and steam, wherein said product contains a reduced concentration of higher hydrocarbons less than the initial concentration of higher hydrocarbons, to prereform the feedstock.

    Abstract translation: 一种用于绝热预成型原料的方法包括：提供绝热反应器; 提供含有1-20重量％ 镍和0.4-5重量％ ％的钾，其中催化剂的总催化剂孔隙率为25-50％，其中总孔催化剂孔隙率由孔径至少为500埃的孔占20-80％。 提供含有天然气和蒸汽的原料，其中天然气含有高级烃的初始浓度，原料中蒸汽与天然气的比例为1.5:1至5:1; 将原料预热至300-700℃的温度以提供加热的原料; 将加热的原料提供给反应器; 并且生产含有氢，一氧化碳，二氧化碳，未反应的甲烷和蒸汽的产物，其中所述产物含有低于高级烃的初始浓度的较低浓度的高级烃，以预先反应原料。

    In-situ gasification of soot contained in exothermically generated syngas stream
    29.
    发明申请
    In-situ gasification of soot contained in exothermically generated syngas stream 有权
    含放热产生的合成气流中烟灰的原位气化

    公开(公告)号：US20050102901A1

    公开(公告)日：2005-05-19

    申请号：US10715757

    申请日：2003-11-18

    Applicant: William Licht ,  Shankar Nataraj ,  Xiang-Dong Peng ,  John Repasky

    Inventor： William Licht ,  Shankar Nataraj ,  Xiang-Dong Peng ,  John Repasky

    IPC: C01B3/36 ,  C10J3/84 ,  C01B31/20 ,  C01B3/24

    CPC classification number: C10K1/02 ,  C01B3/36 ,  C01B2203/0233 ,  C01B2203/0255 ,  C01B2203/04 ,  C01B2203/049 ,  C01B2203/0838 ,  C01B2203/141 ,  C10J3/466 ,  C10J3/721 ,  C10J3/84 ,  C10J2200/06 ,  C10J2300/094 ,  C10J2300/0983 ,  C10J2300/1846 ,  C10K3/003

    Abstract: A system is set forth for the exothermic generation of soot depleted syngas comprising (i) reacting a hydrocarbon-containing fuel with an oxygen containing gas in a first reactor to produce the syngas and byproducts comprising CO2, H2O and soot; and (ii) introducing the syngas and byproducts into a second reactor containing a non-carbonaceous material that traps the soot for a sufficient time such that the majority of the byproduct soot is gasified via reaction with the byproduct CO2 and/or H2O to produce a syngas stream that is depleted in the soot. The system is particularly suitable for the practice of heat exchange reforming wherein a portion of the heat is recovered from the soot depleted syngas stream and used as at least a portion of the heat to facilitate the additional production of syngas via the (endothermic) catalytic reforming of natural gas and steam.

    Abstract translation: 阐述了用于放出产生不含烟灰的合成气的系统，其包括（i）在第一反应器中使含烃燃料与含氧气体反应以产生合成气，以及包含CO 2 H， O和烟灰; 和（ii）将合成气和副产物引入到含有非碳质材料的第二反应器中，所述非碳质材料捕集烟灰足够的时间，使得大部分副产物烟灰通过与副产物CO 2反应而气化 和/或H 2 O以产生在烟炱中耗尽的合成气流。 该系统特别适用于热交换重整的实践，其中一部分热量从不含烟灰的合成气流中回收并用作至少一部分热量，以促进通过（吸热）催化重整而额外生产合成气 的天然气和蒸汽。

    Production of carbon monoxide
    30.
    发明授权
    Production of carbon monoxide 失效
    生产一氧化碳

    公开(公告)号：US06592836B2

    公开(公告)日：2003-07-15

    申请号：US09775976

    申请日：2001-02-02

    Applicant: Jeffrey Raymond Hufton ,  Shankar Nataraj

    Inventor： Jeffrey Raymond Hufton ,  Shankar Nataraj

    IPC: C10K120

    CPC classification number: C01B32/40

    Abstract: A process is provided which includes the steps of providing a CO-SER unit, feeding a feed gas of an equimolar mix of CO2 and H2 with a slight excess of CO2 to the CO-SER unit to produce a CO-SER product gas of CO, a small amount of CO2, and substantially no H2 at high pressure, providing a TSA unit having a plurality of adsorber vessels, each adsorber vessel having an adsorbent capable of selectively adsorbing CO2, the adsorber vessel being at high pressure and ambient temperature, and feeding the CO-SER product gas to one of the adsorber vessels in the TSA unit to selectively remove CO2 gas to produce a TSA product gas that is of high purity and of high pressure. The feeding continues to the one adsorber vessel until a point prior to CO2 breakthrough occurring. The process further includes regenerating any adsorber vessels having adsorbent that is substantially spent.

    Abstract translation: 提供了一种方法，其包括提供CO-SER单元的步骤，将CO 2和CO 2的等摩尔混合物的进料气体与稍微过量的CO 2进料到CO-SER单元以产生CO-SER产物气体CO ，少量二氧化碳，并且在高压下基本上不含H2，提供具有多个吸附容器的TSA单元，每个吸附容器具有能够选择性吸附CO 2的吸附剂，吸附容器处于高压和环境温度，以及 将CO-SER产物气体供给到TSA单元中的一个吸附器容器以选择性地除去CO 2气体以产生高纯度和高压的TSA产物气体。 进料继续到一个吸附器容器直到发生二氧化碳突破之前的一个点。 该方法还包括再生具有基本上消耗的吸附剂的任何吸附容器。

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