Optimized reactor configuration for optimal performance of the aromax catalyst for aromatics synthesis

    公开(公告)号:US11492558B2

    公开(公告)日:2022-11-08

    申请号:US17398594

    申请日:2021-08-10

    Abstract: A naphtha reforming reactor system comprising a first reactor comprising a first inlet and a first outlet, wherein the first reactor is configured to operate as an adiabatic reactor, and wherein the first reactor comprises a first naphtha reforming catalyst; and a second reactor comprising a second inlet and a second outlet, wherein the second inlet is in fluid communication with the first outlet of the first reactor, wherein the second reactor is configured to operate as an isothermal reactor, and wherein the second reactor comprises a plurality of tubes disposed within a reactor furnace, a heat source configured to heat the interior of the reactor furnace; and a second naphtha reforming catalyst disposed within the plurality of tubes, wherein the first naphtha reforming catalyst and the second naphtha reforming catalyst are the same or different.

    Optimized Reactor Configuration for Optimal Performance of the Aromax Catalyst for Aromatics Synthesis

    公开(公告)号:US20210371759A1

    公开(公告)日:2021-12-02

    申请号:US17398594

    申请日:2021-08-10

    Abstract: A naphtha reforming reactor system comprising a first reactor comprising a first inlet and a first outlet, wherein the first reactor is configured to operate as an adiabatic reactor, and wherein the first reactor comprises a first naphtha reforming catalyst; and a second reactor comprising a second inlet and a second outlet, wherein the second inlet is in fluid communication with the first outlet of the first reactor, wherein the second reactor is configured to operate as an isothermal reactor, and wherein the second reactor comprises a plurality of tubes disposed within a reactor furnace, a heat source configured to heat the interior of the reactor furnace; and a second naphtha reforming catalyst disposed within the plurality of tubes, wherein the first naphtha reforming catalyst and the second naphtha reforming catalyst are the same or different.

    FLEXIBLE GASOLINE PROCESS USING MULTIPLE FEEDSTOCKS
    3.
    发明申请
    FLEXIBLE GASOLINE PROCESS USING MULTIPLE FEEDSTOCKS 有权
    柔性汽油工艺使用多种进料

    公开(公告)号:US20150299584A1

    公开(公告)日:2015-10-22

    申请号:US14257812

    申请日:2014-04-21

    Applicant: UOP LLC

    Abstract: A flexible process for gasoline refineries is described. The process can vary depending on the available feedstock and the desired products. At one time, the process can involve disproportionating pentanes to a product mixture including isobutane and isohexane. At other times, by switching the feedstock and operating conditions, the process can convert a mixture of C4 and C7 paraffins to a low aromatic blendstock with suitable octane and a vapor pressure lower than butanes. The process can be performed in separate stand-alone units operated at different times, or a single unit can be operated according to one process at one time and according to the other process at another time.

    Abstract translation: 描述了炼油厂的灵活工艺。 该方法可以根据可用的原料和所需的产物而变化。 一次,该方法可以包括将戊烷歧化成包括异丁烷和异己烷的产物混合物。 在其他时间,通过切换原料和操作条件,该方法可以将C4和C7链烷烃的混合物转化成具有合适的辛烷和低于丁烷的蒸气压的低芳族共混物料。 该过程可以在不同时间操作的单独的独立单元中执行,或者可以根据一个过程一次并且在另一时间根据另一个过程来操作单个单元。

    DUAL RISER CATALYTIC CRACKING PROCESS FOR MAKING MIDDLE DISTILLATE AND LOWER OLEFINS
    4.
    发明申请
    DUAL RISER CATALYTIC CRACKING PROCESS FOR MAKING MIDDLE DISTILLATE AND LOWER OLEFINS 审中-公开
    用于制造中等离子和低蜡的双升催化裂化工艺

    公开(公告)号:US20130001131A1

    公开(公告)日:2013-01-03

    申请号:US13536704

    申请日:2012-06-28

    Applicant: Ye-Mon CHEN

    Inventor: Ye-Mon CHEN

    Abstract: A dual riser catalytic cracking process for preferentially making middle distillate and lower olefins. The system and process provide for the processing of multiple hydrocarbon feedstocks so as to selectively produce middle distillate boiling range product and lower olefins. The system and process uses two riser reactors, a single vessel for separating the cracked product and cracking catalyst received from both riser reactors, and a regenerator for regenerating coked or spent cracking catalyst.

    Abstract translation: 用于优先制备中间馏分和低级烯烃的双重提升管催化裂解方法。 该系统和方法提供多种烃原料的加工,以选择性地生产中间馏分沸程产物和低级烯烃。 该系统和方法使用两个提升管反应器,用于分离从两个提升管反应器接收的裂化产物和裂化催化剂的单个容器和用于再生焦化或废裂解催化剂的再生器。

    Selective upgrading of naphtha fractions by a combination of reforming
and selective isoparaffin synthesis
    7.
    发明授权
    Selective upgrading of naphtha fractions by a combination of reforming and selective isoparaffin synthesis 失效
    通过重组和选择性异链烷烃合成的组合选择性提升石脑油馏分

    公开(公告)号:US5242576A

    公开(公告)日:1993-09-07

    申请号:US795573

    申请日:1991-11-21

    CPC classification number: C10G59/06

    Abstract: A process combination is disclosed to selectively upgrade naphtha to obtain gasoline which is in accordance with current standards for reformulated fuels. A naphtha feedstock is fractionated to selectively direct light naphtha to isomerization or blending, a heart-cut fraction to reforming, and a heavy portion to selective isoparaffin synthesis to yield light and heavy synthesis naphtha and isobutane. The heavy portion of the synthesis naphtha is processed by reforming. Light naphtha may be isomerized, with or without recycle of low-octane components of the product. A gasoline component is blended from light, synthesis, and reformate products from the process combination.

    Abstract translation: 公开了一种方法组合以选择性地升级石脑油以获得符合目前重新配制的燃料标准的汽油。 分馏石脑油原料以选择性地将轻质石脑油引导至异构化或共混,心切成分转化为重馏分,并将重质部分引导至选择性异链烷烃合成以产生轻质和重质合成石脑油和异丁烷。 合成石脑油的重质部分通过重整进行处理。 轻石脑油可以异构化,有或没有产物的低辛烷值组分的再循环。 来自工艺组合的轻质,合成和重整产物的汽油组分混合。

    Multiple riser fluidized catalytic cracking process utilizing a C.sub.3
-C.sub.4 paraffin-rich co-feed and mixed catalyst system
    8.
    发明授权
    Multiple riser fluidized catalytic cracking process utilizing a C.sub.3 -C.sub.4 paraffin-rich co-feed and mixed catalyst system 失效
    使用C3-C4富石蜡共同进料和混合催化剂体系的多提液流化催化裂化方法

    公开(公告)号:US4966681A

    公开(公告)日:1990-10-30

    申请号:US332418

    申请日:1989-03-30

    Abstract: A catalytic cracking process is described featuring multiple risers in which a variety of hydrocarbon conversion reactions take place, a stripping unit in which entrained hydrocarbon material is removed from catalyst and a regeneration zone in which spent cracking catalyst is regenerated, which comprises:(a) catalytically cracking a relatively high boiling hydrocarbon charge material in a first riser in the presence of both a first catalyst component which is an amorphous cracking catalyst and/or a large pore crystalline cracking catalyst and a second catalyst component which is selected from zeolite Beta and/or medium pore crystalline silicate zeolite catalyst to provide a variety of products including naphtha and C.sub.3 and/or C.sub.4 olefin;(b) thermally cracking a C.sub.3-6 paraffin-rich charge material introduced to a second riser in a lower region thereof to provide light olefins; and,(c) catalytically converting at least a portion of the light olefins resulting from step (b) within the second riser in a higher region thereof in the presence mainly of a second catalyst component which is at least one member of the group consisting of zeolite Beta and a shape-selective medium pore crystalline silicate zeolite catalyst to provide a relatively high octane gasoline product.

    Abstract translation: 描述了一种催化裂化方法,其特征在于具有多种烃转化反应发生的多个提升管,其中从催化剂除去夹带的烃物质的汽提单元和再生废裂解催化剂的再生区,其包括:(a) 在第一催化剂组分为无定形裂化催化剂和/或大孔结晶裂解催化剂和第二催化剂组分的存在下,在第一提升管中催化裂解相对高沸点的烃装料,所述第二催化剂组分选自沸石β和/ 或中孔结晶硅酸盐沸石催化剂,以提供各种产物,包括石脑油和C3和/或C4烯烃; (b)将引入到其下部区域中的第二提升管的C3-6石蜡富集装料热裂化以提供轻质烯烃; 和(c)在主要由第二催化剂组分存在的第二提升管中在其较高区域催化转化至少部分由步骤(b)产生的轻质烯烃,所述第二催化剂组分是至少一种由 沸石β和形状选择性中孔结晶硅酸盐沸石催化剂,以提供相对高辛烷值的汽油产品。

    Combined hydroreforming-hydroisomerization process
    9.
    发明授权
    Combined hydroreforming-hydroisomerization process 失效
    组合加氢反应 - 加氢异构化过程

    公开(公告)号:US4911822A

    公开(公告)日:1990-03-27

    申请号:US38555

    申请日:1987-04-15

    CPC classification number: C10G69/14 C10G59/06

    Abstract: The invention concerns a combined process of catalytically hydroreforming a heavy naphtha in at least one reaction zone (10) and catalytically hydroisomerizing a light naptha in at least one reaction zone (34).The invention is characterized in that the hydrogen produced in the hydroreforming unit (line 27) is used to isomerize the light naphtha, the obtained reformate and isomerate being fractionated preferably together in the same stabilization column (51 in FIG. 1).A better thermal integration, a better recovery of light hydrocarbons and a lowering of the utilities requirements and investments, as compared with units operating separately, are thus achieved.

    Abstract translation: 本发明涉及在至少一个反应区(10)中催化加氢重整重质石脑油并在至少一个反应区(34)中催化加氢异构化浅孔蜡的组合方法。 本发明的特征在于,使用在水力发泡单元(管线27)中产生的氢使轻质石脑油异构化,所得到的重整产物和异构体优选在同一稳定塔(图1中的51)中一起分馏。 因此,与单独运行的单元相比,更好的热集成,轻质碳氢化合物的更好的回收和公用事业的需求和投资的降低。

    Gasoline production process
    10.
    发明授权
    Gasoline production process 失效
    汽油生产工艺

    公开(公告)号:US3933619A

    公开(公告)日:1976-01-20

    申请号:US405993

    申请日:1973-10-12

    CPC classification number: C10G59/06 C10L1/06

    Abstract: A process for producing high octane low lead content or unleaded gasoline from a hydrocarbon feedstock by hydrocracking the hydrocarbon feedstock; fractionating the hydrocracking effluent in a fractionation zone, thereby obtaining a stream rich in singly branched hexanes; isomerizing the singly branched hexanes to doubly branched hexanes in an isomerization zone operated at a reaction temperature below 300.degree.F.; and combining the doubly branched hexanes with C.sub.7 + hydrocarbons derived from the hydrocracking effluent, thereby obtaining a high octane gasoline or gasoline blending stock. In a preferred embodiment, the isomerization zone effluent is fractionated to give a cyclohexane-rich stream which stream is catalytically reformed and then the reformate is combined with the doubly branched hexanes from the isomerization zone.

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