Catalyst activators
    1.
    发明授权
    Catalyst activators 失效
    催化剂活化剂

    公开(公告)号:US06232261B1

    公开(公告)日:2001-05-15

    申请号:US09354270

    申请日:1999-07-15

    Abstract: A catalyst system suitable for the polymerization of olefins comprising an olefin polymerization catalyst and an activator comprising the reaction product of (i) an aluminoxane or (ii) the reaction product of an alkylaluminum and water with a silicon-containing compound, for example diphenylsilane diol. Preferred catalysts are metallocene complexes. The activators provide an alternative to the traditional use of aluminoxanes alone.

    Abstract translation: 一种适用于烯烃聚合的催化剂体系,包括烯烃聚合催化剂和活化剂,其包含(i)铝氧烷或(ii)烷基铝和水与含硅化合物的反应产物如二苯基硅烷二醇 。 优选的催化剂是茂金属络合物。 活化剂为传统使用铝氧烷单独提供了替代方案。

    Autothermal cracking process
    3.
    发明申请
    Autothermal cracking process 审中-公开
    自热裂解过程

    公开(公告)号:US20060205989A1

    公开(公告)日:2006-09-14

    申请号:US10551779

    申请日:2004-03-24

    Abstract: The present invention provides a process for the production of olefins which process comprises co-feeding at least one unsaturated hydrocarbon with a paraffinic hydrocarbon-containing feedstock and a molecular oxygen-containing gas to an autothermal cracker, wherein they are reacted in the presence of a catalyst capable of supporting combustion beyond the normal fuel rich limit of flammability to provide a hydrocarbon product stream comprising olefins.

    Abstract translation: 本发明提供了一种生产烯烃的方法,该方法包括将至少一种不饱和烃与含链烷烃的原料和含分子氧的气体共同给予自热裂化器,其中它们在 催化剂能够支持超出正常燃料富含燃烧极限的燃烧,以提供包含烯烃的烃产物流。

    Process for the Production of Olefins
    4.
    发明申请
    Process for the Production of Olefins 审中-公开
    烯烃生产工艺

    公开(公告)号:US20080154075A1

    公开(公告)日:2008-06-26

    申请号:US11921319

    申请日:2006-06-28

    CPC classification number: C07C4/025 C10G11/22 C10G51/023 C10G51/06

    Abstract: The present invention provides a process for the production of olefins, which process comprises: (a) providing an autothermal cracking unit having at least two reactors, (b) autothermally cracking a first hydrocarbon stream by contacting said stream with a first catalyst bed in the presence of molecular oxygen containing gas in one or more first reactors to produce one or more first product streams, (c) autothermally cracking a second hydrocarbon stream by contacting said stream with a second catalyst bed in the presence of molecular oxygen containing gas in one or more second reactors to produce one or more second product streams, (d) separating at least one olefin-containing product stream from the first and second product streams, characterised in that at least two of the following apply: (i) the first and second catalyst beds are different, (ii) the first and second hydrocarbon streams are different, and (iii) the second hydrocarbon stream is not cracked to optimize production of C2 to C4 olefins.

    Abstract translation: 本发明提供了一种生产烯烃的方法,该方法包括:(a)提供具有至少两个反应器的自热裂解装置,(b)通过使所述物流与第一催化剂床接触而自热裂化第一烃流 在一个或多个第一反应器中存在含分子氧的气体以产生一种或多种第一产物流,(c)通过在含有分子氧的气体存在下将所述物流与第二催化剂床接触,将第二烃物流自热裂化, 更多的第二反应器以产生一个或多个第二产物流,(d)从第一和第二产物流中分离至少一种含烯烃的产物流,其特征在于以下至少两个适用于:(i)第一和第二 催化剂床不同,(ii)第一和第二烃流不同,(iii)第二烃流不裂化以优化C的生成 2至C4烯烃。

    Process for the removal of oxygen from olefin-containing process streams
    5.
    发明授权
    Process for the removal of oxygen from olefin-containing process streams 有权
    从含烯烃的工艺流中除去氧气的方法

    公开(公告)号:US07357902B2

    公开(公告)日:2008-04-15

    申请号:US10530716

    申请日:2003-09-23

    CPC classification number: C07C7/1485 C07C7/14841 C10G2300/1088 C10G2400/20

    Abstract: Process for the removal of oxygen from a gas mixture comprising oxygen, at least one olefin, hydrogen, carbon monoxide and optionally at least one alkyne, the ratio of oxygen:hydrogen in the gas mixture being 1 part by volume of oxygen to at least 5 parts by volume of hydrogen. The process comprises contacting the gas mixture with a catalyst in a reaction zone under conditions sufficient to oxidise at least a portion of the hydrogen and to oxidize at least a portion of the carbon monoxide and without significant hydrogenation of the at least one olefin. The catalyst comprises at least one metal or oxide of a metal from the 10th group of the Periodic Table of Elements, the metal or oxide of the metal being supported on an oxide support, provided that the catalyst also comprises tin.

    Abstract translation: 用于从包含氧,至少一种烯烃,氢气,一氧化碳和任选的至少一种炔烃的气体混合物中除去氧气的方法,气体混合物中的氧气:氢气的比例为1体积份的氧气至至少5 体积份氢。 该方法包括在足以氧化至少一部分氢气并氧化至少一部分一氧化碳并且不显着氢化至少一种烯烃的条件下,使反应区中的气体混合物与催化剂接触。 该催化剂包含至少一种元素周期表第10族的金属或氧化物,金属的金属或氧化物负载在氧化物载体上,条件是催化剂也 包括锡。

    Process for the production of olefins
    6.
    发明授权
    Process for the production of olefins 失效
    烯烃生产工艺

    公开(公告)号:US07408094B2

    公开(公告)日:2008-08-05

    申请号:US10538123

    申请日:2003-11-18

    CPC classification number: C10G11/22 C07C5/48 C07C11/02

    Abstract: A process for the production of olefins from a hydrocarbon comprising the steps of: a) passing a first feed stream comprising gaseous reactants to a first reaction zone wherein said gaseous reactants react exothermically to provide a product stream b) producing a mixed feed stream comprising oxygen by passing the product stream produced in step (a) and a second feed stream comprising a hydrocarbon feedstock to a mixing zone, oxygen being passed to the mixing zone via (i) the product stream produced in step (a), (ii) the second feed stream comprising a hydrocarbon feedstock and/or (iii) a third stream comprising an oxygen-containing gas c) passing the mixed feed stream directly to an essentially adiabatic second reaction zone wherein in the absence of a supported platinum group metal catalyst at least a part of the oxygen is consumed and a stream comprising olefins is produced e) cooling the stream comprising olefins exiting the second reaction zone to less than 650° C. within less than 150 milliseconds of formation and wherein the temperature of the mixed stream is at least 500° C., the mixing zone and the second reaction zone are maintained at a pressure of between 1.5-50 bar and the residence time within the mixing zone is less than the autoignition delay for the mixed stream.

    Abstract translation: 一种从烃生产烯烃的方法,包括以下步骤:a)将包含气态反应物的第一进料流送至第一反应区,其中所述气态反应物放热反应以提供产物流b)产生包含氧的混合进料流 通过将步骤(a)中产生的产物流和包含烃原料的第二进料流传送到混合区,将氧气通过(i)步骤(a)中产生的产物流传递到混合区,(ii) 包含烃原料的第二进料流和/或(iii)包含含氧气体的第三料流c)将混合进料流直接传递到基本绝热的第二反应区,其中在不存在负载的铂族金属催化剂的情况下至少 氧气的一部分被消耗,并且产生包含烯烃的料流e)将包含离开第二反应区的烯烃的料流冷却至小于650℃ n 150毫秒的形成,其中混合流的温度为至少500℃,混合区和第二反应区保持在1.5-50巴之间的压力下,混合区内的停留时间较少 比混合流的自熄延迟。

    Process for the production of olefins
    9.
    发明授权
    Process for the production of olefins 失效
    烯烃生产工艺

    公开(公告)号:US07169962B2

    公开(公告)日:2007-01-30

    申请号:US10332800

    申请日:2001-07-04

    Abstract: Process for the production of an olefin comprising partially combusting in a reaction zone a mixture of a hydrocarbon and an oxygen-containing gas in the presence of a catalyst which is capable of supporting combustion beyond the fuel rich limit of flammability to produce the olefin. The superficial feed velocity of the mixture is at least 250 cm s−1 at standard temperature and operating pressure, with the proviso that where the catalyst is an unsupported catalyst, the superficial feed velocity of the mixture is at least 300 cm s−1 at standard temperature and operating pressure. The process is carried out at a pressure of at least 1.3 bara and the reaction zone is not externally heated.

    Abstract translation: 一种生产烯烃的方法,包括在催化剂存在下在反应区域中部分地燃烧烃和含氧气体的混合物,所述催化剂能够支持燃料超过燃料的燃烧极限以产生烯烃。 在标准温度和操作压力下,混合物的表面进料速度至少为250cm 3,条件是当催化剂为无载体催化剂时,混合物的表面进料速度为 在标准温度和操作压力下至少为300cm 3。 该方法在至少1.3巴的压力下进行,并且反应区不进行外部加热。

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