FLUID CATALYTIC CRACKING CATALYST STRIPPING
    2.
    发明申请
    FLUID CATALYTIC CRACKING CATALYST STRIPPING 审中-公开
    流体催化裂化催化剂剥离

    公开(公告)号:US20120103870A1

    公开(公告)日:2012-05-03

    申请号:US13281903

    申请日:2011-10-26

    IPC分类号: C10G11/00 B01J8/00

    摘要: This disclosure relates to devices, e.g., baffle plate and combination dipleg valve/baffle devices, for use in achieving rapid disengagement of entrained hydrocarbons vapors, especially in high flux spent catalyst flow exiting from a cyclone separator dipleg in a fluidized catalytic cracking (FCC) unit. The baffle plate is preferably located near and typically below the catalyst dipleg of a fluid catalytic cracking reactor or separation zone and comprises a baffle plate body member having a surface, and in preferred embodiments also includes one or more apertures located on at least a portion of the surface. The valve/baffle is located at the outlet of the catalyst dipleg and comprises a combination valve and catalyst baffle in which the valve/baffle is designed to allow the top surface of the valve/baffle to seat against the dipleg outlet until the weight of the catalyst above the valve/baffle forces it to open. This disclosure also relates to FCC units that include the devices, and FCC methods utilizing the devices.

    摘要翻译: 本公开涉及用于实现夹带的烃蒸气的快速脱离,特别是在流化床催化裂化(FCC)中从旋风分离器三通流出来的高通量废催化剂流中的装置,例如挡板和组合式二通阀/挡板装置, 单元。 挡板优选地位于流化床催化裂化反应器或分离区的催化剂二段附近并且通常位于其下方,并且包括具有表面的挡板主体构件,并且在优选实施例中还包括位于至少一部分上的一个或多个孔 表面。 阀/挡板位于催化剂液滴的出口处,并且包括组合阀和催化剂挡板,其中阀/挡板被设计成允许阀/挡板的顶表面抵靠径向出口抵靠直到重量 在阀/挡板上方的催化剂迫使其打开。 本公开还涉及包括设备的FCC单元以及利用该设备的FCC方法。

    Fixed bed/moving bed reforming with high activity, high yield tin
modified platinum-iridium catalysts
    4.
    发明授权
    Fixed bed/moving bed reforming with high activity, high yield tin modified platinum-iridium catalysts 失效
    具有高活性,高收率锡改性铂 - 铱催化剂的固定床/移动床重整

    公开(公告)号:US5368720A

    公开(公告)日:1994-11-29

    申请号:US867587

    申请日:1992-04-13

    摘要: A two stage process for reforming a naphtha feed at low severities with tin modified platinum-iridium catalysts. In particular, both high selectivity, and high activity are manifested by such catalysts in reforming a naphtha feed at low severities in a first fixed-bed reforming stage which is comprised of a series of reforming zones, or reactors; i.e., within the dehydrogenation and ring isomerization zones of a reforming unit. The first stage zones are charged with a tin-containing platinum-iridium catalyst, and the naphtha feed reformed to produce an intermediate RON clear C.sub.5 + liquid reformate. The intermediate octane product of the first reforming stage is passed to a second stage which is comprised of one or more moving-bed reforming zones, or reactors, which are operated in a continuous catalyst regeneration mode with platinum containing catalyst.

    摘要翻译: 用锡改性的铂 - 铱催化剂重整石脑油进料的两阶段方法。 特别地,在由一系列重整区或反应器组成的第一固定床重整阶段中,在低严重性下重整石脑油进料中的这种催化剂表现出高选择性和高活性。 即在重整单元的脱氢和环异构化区内。 第一级区带有含锡的铂 - 铱催化剂,重新制备石脑油进料以产生中间RON透明的C5 +液体重整产物。 第一重整阶段的中间辛烷产物被传送到第二阶段,该第二阶段由一个或多个移动床重整区或反应器组成,其以含铂催化剂的连续催化剂再生模式操作。

    Fluid cat cracking with high olefins production
    5.
    发明授权
    Fluid cat cracking with high olefins production 有权
    流体催化裂化产生高烯烃

    公开(公告)号:US07261807B2

    公开(公告)日:2007-08-28

    申请号:US10131737

    申请日:2002-04-24

    CPC分类号: C10G11/18 C10G2400/20

    摘要: The propylene production of a fluid catalytic cracking unit employing a large pore zeolite cracking catalyst, produces more propylene by adding a naphtha cracking riser and a medium pore zeolite catalytic component to the unit, and recycling at least a portion of the naphtha crackate to the naphtha riser. The large pore size zeolite preferably comprises a USY zeolite and the medium pore size is preferably ZSM-5. Propylene production per unit of naphtha feed to the naphtha riser is maximized, by using the 60–300° F. naphtha crackate as the feed.

    摘要翻译: 使用大孔沸石裂化催化剂的流化催化裂化装置的丙烯生产通过向该装置中加入石脑油裂化提升管和中孔沸石催化组分产生更多的丙烯,并将至少一部分石脑油裂解物再循环至石脑油 冒口 大孔径沸石优选包含USY沸石,中等孔径优选为ZSM-5。 通过使用60-300°F的石脑油裂解液作为进料,使石脑油提升管的单位石脑油进料的丙烯产量最大化。

    Process for producing polypropylene from C3 olefins selectively produced by a two stage fluid catalytic cracking process
    6.
    发明授权
    Process for producing polypropylene from C3 olefins selectively produced by a two stage fluid catalytic cracking process 失效
    通过两阶段流化催化裂化方法选择性生产的C3烯烃生产聚丙烯的方法

    公开(公告)号:US06258257B1

    公开(公告)日:2001-07-10

    申请号:US09517551

    申请日:2000-03-02

    IPC分类号: C10G5102

    CPC分类号: C10G57/02 C10G2400/20

    摘要: A process for producing polymers from olefins selectively produced by a two stage process for selectively producing C2 to C4 olefins from a gas oil or resid is disclosed herein. The gas oil or resid is reacted in a first stage comprising a fluid catalytic cracking unit wherein it is converted in the presence of conventional large pore zeolitic catalyst to reaction products, including a naphtha boiling range stream. The naphtha boiling range stream is introduced into a second stage comprising a process unit containing a reaction zone, a stripping zone, a catalyst regeneration zone, and a fractionation zone. The naphtha feed is contacted in the reaction zone with a catalyst containing from about 10 to 50 wt. % of a crystalline zeolite having an average pore diameter less than about 0.7 nanometers at reaction conditions which include temperatures ranging from about 500 to 650° C. and a hydrocarbon partial pressure from about 10 to 40 psia. Vapor products are collected overhead and the catalyst particles are passed through the stripping zone on the way to the catalyst regeneration zone. Volatiles are stripped with steam in the stripping zone and the catalyst particles are sent to the catalyst regeneration zone where coke is burned from the catalyst, which is then recycled to the reaction zone.

    摘要翻译: 本文公开了一种通过二级方法选择性制备聚合物的方法,用于从瓦斯油或渣油中选择性地生产C2至C4烯烃。 瓦斯油或渣油在包括流化催化裂化装置的第一阶段中反应,其中在常规大孔沸石催化剂存在下将其转化为包括石脑油沸程的反应产物。 将石脑油沸程流引入包含含有反应区,汽提区,催化剂再生区和分馏区的处理单元的第二阶段。 石脑油进料在反应区中与含有约10至50wt。 在包括约500至650℃的温度和约10至40psia的烃分压的反应条件下具有平均孔径小于约0.7纳米的结晶沸石的百分比。 蒸气产物被顶部收集,催化剂颗粒在通向催化剂再生区的途中通过汽提区。 挥发物在汽提区中用蒸汽汽提,并将催化剂颗粒送入催化剂再生区,其中焦炭从催化剂燃烧,然后再循环到反应区。

    Catalyst reforming process
    8.
    发明授权
    Catalyst reforming process 失效
    催化剂重整过程

    公开(公告)号:US4832821A

    公开(公告)日:1989-05-23

    申请号:US164660

    申请日:1988-03-07

    摘要: Disclosed is an improved method for catalytically reforming a gasoline boiling range naphtha in a reforming unit comprised of a plurality of serially connected reactors, each containing a halogenated reforming catalyst. The level of halide is maintained in each reactor, particularly the downstream reactors by injecting into each reactor a mixture of water and halide at a ratio of 20:1 to 60:1, respectively.

    摘要翻译: 公开了一种改进方法,用于在由多个串联的反应器组成的重整单元中催化重整汽油沸程石脑油,每个反应器含有卤化重整催化剂。 通过以20:1至60:1的比例将水和卤化物的混合物分别注入每个反应器中,每个反应器,特别是下游反应器中维持卤化物的水平。

    Reforming with two fixed-bed units, each having a moving-bed tail
reactor sharing a common regenerator
    10.
    发明授权
    Reforming with two fixed-bed units, each having a moving-bed tail reactor sharing a common regenerator 失效
    用两台固定床单元进行改造,每个固定床单元具有一个共同使用共同的再生器的移动床尾反应器

    公开(公告)号:US5417843A

    公开(公告)日:1995-05-23

    申请号:US245844

    申请日:1994-05-18

    IPC分类号: C10G59/00 C10G35/085

    CPC分类号: C10G59/00

    摘要: A process for reforming a gasoline boiling range naphtha stream using a reforming process unit comprised of two independent process units, each of which are operated in two stages. The first stage is operated in a fixed-bed mode and is comprised of a plurality of serially connected fixed bed reactors, and the second stage is operated in a moving bed continuous catalyst regeneration mode. A hydrogen-rich stream is recycled through both stages for each process unit and the moving-bed reforming zones share a common regeneration zone.

    摘要翻译: 使用由两个独立的处理单元组成的重整处理单元重整汽油沸程石脑油流的方法,每个独立的处理单元分两个阶段进行操作。 第一阶段以固定床模式操作,并且由多个串联连接的固定床反应器组成,第二阶段在移动床连续催化剂再生模式下操作。 对于每个处理单元,富氢流被循环通过两个阶段,并且移动床重整区共享共同的再生区。