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    Underflow cyclone with perforated barrel
    2.
    发明授权
    Underflow cyclone with perforated barrel 失效
    底吹旋风筒带孔筒

    公开(公告)号：US5514271A

    公开(公告)日：1996-05-07

    申请号：US234794

    申请日：1994-04-28

    申请人： John S. Buchanan ,  Christopher G. Smalley

    发明人： John S. Buchanan ,  Christopher G. Smalley

    IPC分类号： B01D45/12 ,  B01J8/00 ,  B04C5/081 ,  B04C5/10 ,  B04C5/14 ,  B04C5/28 ,  C10G11/18 ,  C01G11/00 ,  B04C3/06

    CPC分类号： B04C5/10 ,  B01D45/12 ,  B01J8/0055 ,  B04C5/081 ,  B04C5/14 ,  B04C5/28 ,  C10G11/18

    摘要： A cyclone and process for fluidized catalytic cracking of heavy oils is disclosed. Gas and entrained solids are added tangentially around a vapor outlet tube in a cylindrical tube cyclone body. Solids and some gas is withdrawn via a plurality of openings radially and longitudinally distributed in the cylindrical sidewall of the cyclone body. Distributed withdrawal replaces or reduces conventional underflow of solids from an end of cyclone outlet and reduces solids reentrainment. 0-5 micron particle removal is enhanced by reducing eddy formation and particle bouncing near the cyclone sidewall. The device may be used as an FCC regenerator third stage separator.

    摘要翻译： 公开了用于重油流化催化裂化的旋风分离器和方法。 气体和夹带的固体围绕圆柱形管旋风器主体中的蒸气出口管切向加入。 固体和一些气体通过径向和纵向分布在旋风器主体的圆柱形侧壁中的多个开口被排出。 分布式抽出取代或减少了旋风出口端部固体的常规下溢，并减少了固体再吸入。 通过减少旋风分离器侧壁附近的漩涡形成和颗粒弹跳来增强0-5微米的颗粒去除。 该装置可用作FCC再生器第三级分离器。

    Process for Producing Cyclohexanone
    4.
    发明申请
    Process for Producing Cyclohexanone 有权
    生产环己酮的方法

    公开(公告)号：US20110021844A1

    公开(公告)日：2011-01-27

    申请号：US12933700

    申请日：2009-02-19

    申请人： Jihad M. Dakka ,  John S. Buchanan ,  James R. Lattner ,  Sadi Mizrahi

    发明人： Jihad M. Dakka ,  John S. Buchanan ,  James R. Lattner ,  Sadi Mizrahi

    IPC分类号： C07C49/303

    CPC分类号： C07C407/00 ,  C07C37/07 ,  C07C37/08 ,  C07C45/006 ,  C07C45/53 ,  C07C2601/14 ,  C07C39/04 ,  C07C49/403 ,  C07C409/14

    摘要： In a process for producing cyclohexanone, cyclohexylbenzene is oxidized to produce cyclohexylbenzene hydroperoxide and then the resultant cyclohexylbenzene hydroperoxide is cleaved to produce an effluent stream comprising phenol and cyclohexanone. At least a portion of the effluent stream is then fed to at least one hydrogenation reaction zone, where the effluent stream portion is contacted with hydrogen in the presence of a hydrogenation catalyst under conditions effective to convert at least part of the phenol in the effluent portion into cyclohexanone.

    摘要翻译： 在制备环己酮的方法中，环己基苯被氧化以产生环己基苯氢过氧化物，然后将所得环己基苯氢过氧化物切割以产生包含苯酚和环己酮的流出物流。 然后将至少一部分流出物流送入至少一个氢化反应区，在氢化催化剂存在下，在有效地将至少部分苯酚在流出物部分中转化的条件下，流出料流部分与氢气接触 加入环己酮。

    Process For Producing Cyclohexylbenzene
    5.
    发明申请
    Process For Producing Cyclohexylbenzene 有权
    生产环己基苯的方法

    公开(公告)号：US20100317895A1

    公开(公告)日：2010-12-16

    申请号：US12747295

    申请日：2009-01-13

    申请人： John S. Buchanan ,  Jane C. Cheng ,  Tan-Jen Chen ,  James R. Lattner

    发明人： John S. Buchanan ,  Jane C. Cheng ,  Tan-Jen Chen ,  James R. Lattner

    IPC分类号： C07C45/00 ,  C07C2/66

    CPC分类号： C07C409/14 ,  C07C13/28 ,  C07C37/08 ,  C07C45/53 ,  C07C407/00 ,  C07C2601/14 ,  C07C49/08 ,  C07C39/04

    摘要： In a process for producing cyclohexylbenzene, hydrogen and a liquid feed comprising benzene are introduced into a reaction zone and are contacted in the reaction zone under hydroalkylation conditions to produce cyclohexylbenzene. An effluent stream comprising cyclohexylbenzene and unreacted benzene is removed from the reaction zone and is divided into at least first and second portions, wherein the mass ratio of the effluent stream first portion to the effluent stream second portion is at least 2:1. The effluent stream first portion is then cooled and the cooled effluent stream first portion is recycled to the reaction zone.

    摘要翻译： 在生产环己基苯的方法中，将氢和含苯的液体原料引入反应区，并在加氢烷基化条件下在反应区中接触以制备环己基苯。 将包含环己基苯和未反应苯的流出物流从反应区除去，并分成至少第一和第二部分，其中流出物流第一部分与流出物流第二部分的质量比至少为2:1。 然后将流出物流第一部分冷却，将冷却的流出物流第一部分再循环至反应区。

    PROCESS FOR PRODUCING PHENOL AND METHYL ETHYL KETONE
    6.
    发明申请
    PROCESS FOR PRODUCING PHENOL AND METHYL ETHYL KETONE 失效
    生产苯酚和甲基乙酮的方法

    公开(公告)号：US20090187047A1

    公开(公告)日：2009-07-23

    申请号：US12162970

    申请日：2007-02-08

    申请人： Jihad M. Dakka ,  Jon E. Stanat ,  Francisco M. Benitez ,  John S. Buchanan ,  Jane C. Cheng ,  Jeffrey T. Elks

    发明人： Jihad M. Dakka ,  Jon E. Stanat ,  Francisco M. Benitez ,  John S. Buchanan ,  Jane C. Cheng ,  Jeffrey T. Elks

    IPC分类号： C07C45/53 ,  C07C37/08

    CPC分类号： C07C409/08 ,  C07C37/08 ,  C07C45/53 ,  C07C407/00 ,  C07C49/10 ,  C07C39/04

    摘要： A process for producing phenol and methyl ethyl ketone comprises contacting benzene and a C4 alkylating agent under alkylation conditions and in the presence of an alkylation catalyst comprising at least one molecular sieve of the MCM-22 family to produce an alkylation effluent comprising secbutylbenzene; wherein the contacting is conducted in a plurality of reaction zones and the C4 alkylating agent secbutylbenzene fraction is recovered from the alkylation effluent and comprises at least 95 wt % sec-butylbenzene, less than 100 wt ppm of C8+ olefins, and less than 0.5 wt % of isobutylbenzene and tert-butylbenzene. The sec-butylbenzene fraction is then oxidized to produce sec-butylbenzene hydroperoxide and the hydroperoxide is cleaved to produce phenol and methyl ethyl ketone.

    摘要翻译： 一种生产苯酚和甲基乙基酮的方法包括在烷基化条件下和在包含至少一种MCM-22族分子筛的烷基化催化剂的存在下使苯和C4烷基化剂接触以产生包含二丁基苯的烷基化流出物; 其中所述接触在多个反应区中进行，并且所述C4烷基化剂仲丁苯部分从所述烷基化流出物中回收，并且包含至少95重量％的仲丁基苯，小于100重量ppm的C 8+烯烃和小于0.5重量％ 的异丁基苯和叔丁基苯。 然后将仲丁基馏分氧化以产生仲丁基苯氢过氧化物，并将氢过氧化物裂解以产生苯酚和甲基乙基酮。

    Vapor/liquid contacting cyclone with device to prevent backmixing and process for using the same
    7.
    发明授权
    Vapor/liquid contacting cyclone with device to prevent backmixing and process for using the same 失效
    蒸汽/液体接触式旋风分离器与装置防止回混和使用该混合物

    公开(公告)号：US6105941A

    公开(公告)日：2000-08-22

    申请号：US120419

    申请日：1998-07-22

    申请人： John S. Buchanan ,  Berne K. Stober

    发明人： John S. Buchanan ,  Berne K. Stober

    IPC分类号： B04C3/00 ,  B01D3/20 ,  B01D3/26 ,  B01D3/30 ,  B01F3/04 ,  B01F5/00

    CPC分类号： B01D3/20

    摘要： This invention is directed to a cyclonic vapor/liquid contacting device, wherein liquid exiting the cyclonic device is directed primarily to one side, and distillation or related mass transfer or heat transfer processes employing its use, such as fluid catalytic cracking. Liquid feed is introduced near the floor of the cyclone via downcomer or plenum. Vapor enters through sieve holes in the bottom of the cyclonic device. Near the floor are angled tabs or vanes that impart a spin to the vapor rising up through the floor. The tabs or vanes mix the liquid and vapor. The liquid is then thrown toward the cyclone wall, where it exits through slots in the wall. Preferably, a second set of tabs or vanes, located about in the middle of the cyclone, imparts additional spin to the vapor and entrained liquid rising through the cyclone. This improves liquid collection by the cyclone, especially in cases where a heavy liquid load dampens the spin action of the vapor in the base of the cyclone. Means to direct liquid flow primarily to one side include a shroud around the top of the cyclone, vanes to direct fluid flow downward and baffles between the cyclone barrels.

    摘要翻译： 本发明涉及旋风蒸气/液体接触装置，其中离开旋风装置的液体主要指向一侧，并且采用其使用的蒸馏或相关的传质或传热方法，例如流化催化裂化。 通过降液管或气室将液体进料引入旋风分离器的地板附近。 蒸气通过气旋装置底部的筛孔进入。 在地板附近是倾斜的翼片或叶片，使蒸汽上升到通过地板上升。 翼片或叶片混合液体和蒸气。 然后将液体朝向旋风壁投掷，在那里它通过壁中的槽排出。 优选地，位于旋风分离器中部附近的第二组翼片或叶片对蒸气和通过旋风分离器上升的夹带液体赋予额外的旋转。 这样可以改善旋风分离器的液体收集，特别是在重液体负载抑制旋风分离器底部蒸气的旋转作用的情况下。 将液体主要引导到一侧的装置包括围绕旋风分离器顶部的护罩，用于引导流体向下流动的叶片和旋风筒之间的挡板。

    Process for treating H.sub.2 S containing streams
    8.
    发明授权
    Process for treating H.sub.2 S containing streams 失效
    用于处理含H2S的流的方法

    公开(公告)号：US6030597A

    公开(公告)日：2000-02-29

    申请号：US3610

    申请日：1998-01-07

    申请人： John S. Buchanan ,  Khushrav E. Nariman

    发明人： John S. Buchanan ,  Khushrav E. Nariman

    IPC分类号： B01D53/52 ,  B01J20/04 ,  B01J20/06 ,  B01J20/08 ,  B01J20/28 ,  C01B17/04

    CPC分类号： B01J20/28014 ,  B01D53/523 ,  B01J20/041 ,  B01J20/06 ,  B01J20/08 ,  B01J20/3433 ,  B01J20/3458 ,  C01B17/0404 ,  Y10S502/514

    摘要： This invention is directed to an improved process for conversion of H2S to sulfur, using MOST(Mobil Offgas Sulfur Treatment) catalyst or sorbent. The sorbent is typically a magnesium-aluminate spinet, with oxidation promoters such as ceria and vanadia. H.sub.2 S from the feed gas is used to regenerate sulfated sorbent, simultaneously producing elemental sulfur which is then condensed out. The improvement involves combusting part of the feed, converting some of the feed H.sub.2 S to SO.sub.2 prior to contacting the sulfated sorbent. Thus much of the stoichiometric oxygen required for conversion of H.sub.2 S to S is supplied in the form of SO.sub.2 by this pre-combustion step, instead of coming totally from the oxidized/sulfated solid sorbent. This can decrease the amount of sorbent required, as well as the frequency of regenerations, thus reducing process cost. The hot combustion gas also helps to heat the feed stream. One or more Claus reactors may optionally be added, to further increase sulfur recovery efficiency.

    摘要翻译： 本发明涉及使用MOST（Mobil Offgas硫处理）催化剂或吸附剂将H2S转化为硫的改进方法。 吸附剂通常是铝酸镁尖晶石，具有氧化促进剂，例如二氧化铈和氧钒。 来自进料气体的H 2 S用于再生硫酸化吸附剂，同时产生元素硫，然后将其冷凝。 改进之处在于使部分进料燃烧，然后在硫酸吸附剂接触之前将一些进料H2S转化为SO2。 因此，通过该预燃烧步骤以SO 2的形式提供将H 2 S转化为S所需的大部分化学计量的氧气，而不是完全来自氧化/硫酸化的固体吸附剂。 这可以减少所需的吸附剂的量以及再生的频率，从而降低工艺成本。 热燃烧气体还有助于加热进料流。 可以任选地加入一个或多个克劳斯反应器，以进一步提高硫回收效率。

    FCC NO.sub.x reduction by turbulent/laminar thermal conversion
    9.
    发明授权
    FCC NO.sub.x reduction by turbulent/laminar thermal conversion 失效
    FCC NOx通过湍流/层流热转化降低

    公开(公告)号：US5716514A

    公开(公告)日：1998-02-10

    申请号：US521179

    申请日：1995-08-30

    申请人： John S. Buchanan

    发明人： John S. Buchanan

    IPC分类号： B01D53/56 ,  B01J38/14 ,  B01J38/30 ,  C10G11/18 ,  C10G11/00 ,  C01B21/00

    CPC分类号： B01J38/30 ,  B01D53/56 ,  B01J38/14 ,  C10G11/182

    摘要： Oxides of nitrogen (NO.sub.x) emissions from an FCC regenerator are reduced by operating the regenerator in partial CO burn mode and controlled turbulent/laminar flow processing of the flue gas. Partial CO burn FCC catalyst regeneration produces flue gas with CO and NO.sub.x precursors. Air is added to a turbulent flow reactor such as a flue gas transfer line where most NO.sub.x precursors are homogeneously converted while leaving some CO unconverted. A downstream CO boiler thermally converts this unconverted CO. NO.sub.x emissions are less than would be experienced using a like amount of air injection to a conventional CO boiler.

    摘要翻译： 通过在部分CO燃烧模式下操作再生器并且对烟道气进行受控的湍流/层流处理，来减少来自FCC再生器的氮（NOx）排放的氧化物。 部分CO燃烧FCC催化剂再生产生烟气与CO和NOx前体。 将空气添加到湍流反应器，例如烟道气输送管线，其中大多数NOx前体均匀转化，同时留下一些未转化的CO。 下游CO锅炉热转换未转化的CO。NOx排放量比使用类似量的空气喷射到常规CO锅炉所经历的少。