Method for producing alkylaryl compounds
    1.
    发明申请
    Method for producing alkylaryl compounds 审中-公开
    烷基芳基化合物的制备方法

    公开(公告)号:US20070142258A1

    公开(公告)日:2007-06-21

    申请号:US10583140

    申请日:2004-12-17

    IPC分类号: C09D9/00

    摘要: The preparation of alkylaryl compounds takes place by a) reaction of a C4/C5-olefin mixture over a metathesis catalyst to prepare a C4-8-olefin mixture comprising 2-pentene, and optional removal of the C4-8-olefin mixture, b) removal of from 5 to 100% of the 2-pentene present in stage a) and subsequent reaction over an isomerization catalyst to give a mixture of 2-pentene and 1-pentene which is returned to stage a), c) dimerization of the C4-8-olefin mixture obtained in stage b) following removal in the presence of a dimerization catalyst to give a mixture containing C8-16-olefins, removal of these C8-16-olefins and optional removal of a partial stream thereof, d) reaction of the c8-16-olefin mixtures obtained in stage c) or of the partial stream with an aromatic hydrocarbon in the presence of an alkylation catalyst to form alkyl aromatic compounds where, prior to the reaction, 0 to 60% by weight, based on the c8-16-olefin mixtures obtained in stage c), of linear olefins may additionally be added, e) optional sulfonation of the alkyl aromatic compounds obtained in stage d) and neutralization to give alkylarylsulfonates, where, prior to the sulfonation, 0 to 60% by weight, based on the alkyl aromatic compounds obtained in stage d), of linear alkylbenzenes may additionally be added if no admixing has taken place in stage d), f) optional mixing of the alkylarylsulfonates obtained in stage e) with 0 to 60% by weight, based on the alkylarylsulfonates obtained in stage e), of linear alkylarylsulfonate, if no admixing has taken place in stages d) and e).

    摘要翻译: 烷基芳基化合物的制备通过以下步骤进行:a)在复分解催化剂上使C 4-14 C 5 -C 5 - 烯烃混合物反应以制备C 4-8 - 其包含2-戊烯,任选地除去C 4-18α-烯烃混合物,b)除去在步骤a)中存在的5-100%的2-戊烯, 并随后在异构化催化剂上反应,得到2-戊烯和1-戊烯的混合物,将其返回到a)步骤,c)在步骤b中获得的C 4-18α-烯烃混合物的二聚反应 ),在二聚催化剂存在下除去,得到含有C 8-16 - 烯烃的混合物,除去这些C 8-16 - 烯烃并任选地除去 其部分流,d)在烷基化催化剂存在下,将阶段c)或部分流中获得的C 8-16 - α-烯烃混合物与芳族烃反应,形成烷基芳族化合物,其中 在反应之前,0至60重量%,b 在阶段c)中得到的C 8-16α-烯烃混合物中,可以另外加入线性烯烃,e)任选的在步骤d)中获得的烷基芳族化合物磺化,中和得到烷基芳基磺酸盐 ,其中在磺化之前,如果在步骤d)中没有混合,则可以另外加入基于直链烷基苯中得到的直链烷基苯0至60重量%,f)任选混合 如果在阶段d)和e)中没有混合,则在阶段e)中获得的烷基芳基磺酸盐以0至60重量%的量计,基于阶段e)中得到的烷基芳基磺酸盐,为直链烷基芳基磺酸盐。

    Method for producing alkyl aromatic compounds
    4.
    发明授权
    Method for producing alkyl aromatic compounds 失效
    烷基芳族化合物的制备方法

    公开(公告)号:US07652183B2

    公开(公告)日:2010-01-26

    申请号:US10552434

    申请日:2004-04-14

    IPC分类号: C07C2/66

    摘要: In a process for the preparation of alkylaromatic compounds by reacting C3-30-olefins, or alcohols from which C3-30-olefins are formed under the reaction conditions, with an aromatic hydrocarbon in the presence of an alkylation catalyst, the reaction is carried out in a reactor cascade of at least two reactors, where each of the reactors comprises the alkylation catalyst, at least 80% of the aromatic hydrocarbon are fed into the first reactor of the reactor cascade, and at least 40% of the olefins are intermediately fed in after the first reactor.

    摘要翻译: 在烷基芳族化合物的制备方法中,在烷基化催化剂的存在下,使C3-30-烯烃或在反应条件下由C 3-30-烯烃形成的醇与芳烃反应,进行反应 在至少两个反应器的反应器级联中,其中每个反应器包含烷基化催化剂,至少80%的芳族烃进料到反应器级联的第一反应器中,并且至少40%的烯烃被中间进料 在第一反应堆之后。

    Method for producing alkyl aromatic compounds
    5.
    发明申请
    Method for producing alkyl aromatic compounds 失效
    烷基芳族化合物的制备方法

    公开(公告)号:US20060241328A1

    公开(公告)日:2006-10-26

    申请号:US10552434

    申请日:2004-04-14

    IPC分类号: C07C2/64

    摘要: In a process for the preparation of alkylaromatic compounds by reacting C3-30-olefins, or alcohols from which C3-30-olefins are formed under the reaction conditions, with an aromatic hydrocarbon in the presence of an alkylation catalyst, the reaction is carried out in a reactor cascade of at least two reactors, where each of the reactors comprises the alkylation catalyst, at least 80% of the aromatic hydrocarbon are fed into the first reactor of the reactor cascade, and at least 40% of the olefins are intermediately fed in after the first reactor.

    摘要翻译: 在制备烷基芳族化合物的方法中,通过使C 3-30 - 烯烃或在反应条件下形成C 3-30 - α-烯烃的醇与式 在烷基化催化剂存在下的芳族烃,反应在至少两个反应器的反应器级联中进行,其中每个反应器包含烷基化催化剂,将至少80%的芳烃加入第一反应器 的反应器级联,并且至少40%的烯烃在第一反应器之后中间进料。

    Method for producing 1-butene
    7.
    发明申请
    Method for producing 1-butene 失效
    1-丁烯的制备方法

    公开(公告)号:US20070055088A1

    公开(公告)日:2007-03-08

    申请号:US10595551

    申请日:2004-10-27

    IPC分类号: C07C4/00

    摘要: A) Provision of an n-butane-containing feed gas stream a; B) introduction of the n-butane-containing feed gas stream a into at least one dehydrogenation zone and nonoxidative catalytic dehydrogenation of n-butane to give a product gas stream b comprising n-butane, 1-butene, 2-butene, butadiene, hydrogen, low-boiling secondary constituents and possibly water vapor; C) removal of hydrogen, the low-boiling secondary constituents and, if appropriate, water vapor to give a C4 product gas stream c consisting essentially of n-butane, 1-butene, 2-butene and butadiene; D) separation of the C4 product gas stream c into a recycle stream d1 consisting essentially of n-butane and a stream d2 comprising 1-butene, 2-butene and butadiene by extractive distillation and recirculation of the recycle stream d1 consisting essentially of n-butane to the dehydrogenation zone; E) introduction of the stream d2 comprising 1-butene, 2-butene and butadiene into a selective hydrogenation zone and selective hydrogenation of butadiene to 1-butene and/or 2-butene to give a stream e comprising 1-butene and 2-butene; F) introduction of the stream e comprising 1-butene and 2-butene and a circulating stream g comprising 1-butene and 2-butene into a distillation zone and isolation of a desired product stream f1 consisting essentially of 1-butene to leave a 2-butene-containing stream f2; G) introduction of the 2-butene-containing stream f2, if appropriate after a purge gas stream has been separated off, into an isomerization zone and isomerization of 2-butene to 1-butene so as to give a circulating stream g comprising 1-butene and 2-butene and recirculation, if appropriate after a purge gas stream has been separated off from the circulating gas stream g, of the circulating gas stream g to the distillation zone.

    摘要翻译: A)提供含正丁烷的进料气流a; B)将含正丁烷的原料气流a引入至少一个脱氢区和正丁烷的非氧化催化脱氢,得到包含正丁烷,1-丁烯,2-丁烯,丁二烯, 氢,低沸点二级成分和可能的水蒸气; C)除去氢气,低沸点二级成分,如果合适的话,除去水蒸气,得到基本上由正丁烷,1-丁烯,2-丁烯组成的C 4 H 4产物气流c, 丁二烯 D)将C 4 H 4产物气流c分离成基本上由正丁烷组成的再循环料流d1和包含1-丁烯,2-丁烯和丁二烯的料流d2,通过萃取蒸馏和再循环 基本上由正丁烷组成的再循环流d1到脱氢区; E)将包含1-丁烯,2-丁烯和丁二烯的料流d2引入选择性氢化区并将丁二烯选择性氢化为1-丁烯和/或2-丁烯,得到包含1-丁烯和2-丁烯的料流e ; F)将包含1-丁烯和2-丁烯的流e和包含1-丁烯和2-丁烯的循环流g引入蒸馏区并分离基本上由1-丁烯组成的所需产物流f1以留下2 含丁烯的流f2; G)引入含有2-丁烯的料流f2,如果在吹扫气体流已经分离出之后适当,将其引入异构化区域并将2-丁烯异构化成1-丁烯,从而得到包含1-丁烯的循环流g, 丁烯和2-丁烯,并且如果适当,在将循环气流g从循环气流g分离出吹扫气流之后再循环到蒸馏区。

    Reactor for carrying out gas-liquid, liquid, liquid-liquid or gas-liquid-solid chemical reactions
    10.
    发明授权
    Reactor for carrying out gas-liquid, liquid, liquid-liquid or gas-liquid-solid chemical reactions 失效
    用于进行气液,液体,液体或液体 - 液体 - 固体化学反应的反应器

    公开(公告)号:US06838061B1

    公开(公告)日:2005-01-04

    申请号:US09831402

    申请日:1999-11-23

    摘要: A reactor (1) of high cylindrical construction for continuously carrying out gas-liquid, liquid-liquid or gas-liquid-solid reactions, provided with a downward-directed jet nozzle (2) via which the starting materials and the reaction mixture are fed in and which is located in the upper region of the reactor, and provided with an offtake (3), preferably in the lower region of the reactor, via which the reaction mixture is conveyed via an external circuit back to the jet nozzle (2) by means of a pump (P), wherein a guide tube (4) which extends essentially over the total length of the reactor (1) with the exception of the reactor ends and has a cross-sectional area in the range from one tenth to one half of the cross-sectional area of the reactor (1) is located concentrically in the reactor (1), and the jet nozzle (2) is located above the upper end of the guide tube (4), preferably at a distance of from one eighth of the guide tube diameter to one guide tube diameter, or projects into the guide tube (4) to a depth up to a plurality of guide tube diameters is proposed. A heat exchanger, in particular a heat exchanger having heat exchange tubes (6), preferably running parallel to the guide tube, welded in between plates (5), is integrated into the annular space.

    摘要翻译: 一种高筒形结构的反应器(1),用于连续地进行气液,液 - 液或气 - 液 - 固反应,设有向下的喷射喷嘴(2),原料和反应混合物通过该喷嘴 并且其位于反应器的上部区域中,并且优选地在反应器的下部区域中设置有出料口(3),经由该反应混合物经由外部回路将反应混合物输送回到喷嘴(2) 通过泵(P),其中除了反应器端部之外基本上延伸到反应器(1)的总长度上的导管(4),并且横截面积在十分之一到 反应器(1)的横截面积的一半是同心地位于反应器(1)中,并且喷嘴(2)位于导管(4)的上端之上,优选距离 从引导管直径的八分之一到一个导管直径,或投入到 引导管(4)的深度达到多个导管直径。 热交换器,特别是具有焊接在板(5)之间的平行于引导管的热交换管(6)的换热器(6)整合到环形空间中。