Alkylation Process
    3.
    发明申请
    Alkylation Process 有权
    烷基化方法

    公开(公告)号:US20130211164A1

    公开(公告)日:2013-08-15

    申请号:US13642676

    申请日:2011-04-15

    IPC分类号: C07C2/66

    摘要: The present invention provides an improved process for producing an alkylated aromatic compound from an at least partially untreated alkylatable aromatic compound having catalyst poisons and an alkylating agent, wherein said alkylatable aromatic compound stream is treated to reduce catalyst poisons with a treatment composition having a surface area/surface volume ratio of greater than or equal to 30 in−1 (12 cm−1) in a treatment zone separate from an alkylation reaction zone under treatment conditions including a temperature of from about 30° C. to about 300° C. to form an effluent comprising said treated alkylatable aromatic compound.

    摘要翻译: 本发明提供了一种由至少部分未经处理的具有催化剂毒素和烷基化剂的可烷化芳族化合物制备烷基化芳族化合物的改进方法,其中用具有表面积的处理组合物处理所述可烷基化芳族化合物流以减少催化剂毒物 /表面体积比大于或等于30in-1(12cm-1)在处理区域与烷基化反应区分离,处理条件包括温度为约30℃至约300℃至 形成包含所述经处理的可烷基化芳族化合物的流出物。

    ALKYLATION PROCESS
    4.
    发明申请
    ALKYLATION PROCESS 有权
    烷基化方法

    公开(公告)号:US20130197287A1

    公开(公告)日:2013-08-01

    申请号:US13642690

    申请日:2011-04-15

    IPC分类号: C07C2/66 C07C7/12

    摘要: The present invention provides an improved process for producing an alkylated aromatic compound from an at least partially untreated alkylatable aromatic compound having catalyst poisons, wherein said alkylatable aromatic compound stream is treated to reduce catalyst poisons with a treatment composition having a surface area/surface volume ratio of greater than or equal to 30 in−1 (12 cm−1) in a treatment zone separate from an alkylation reaction zone under treatment conditions including a temperature of from about 30° C. to about 300° C. to form an effluent comprising said treated alkylatable aromatic compound.

    摘要翻译: 本发明提供了一种由至少部分未处理的具有催化剂毒物的可烷化芳族化合物制备烷基化芳族化合物的改进方法,其中用具有表面积/表面体积比的处理组合物处理所述可烷基化芳族化合物流以还原催化剂毒物 在包括温度为约30℃至约300℃的处理条件下与烷基化反应区分离的处理区中大于或等于30in -1(12cm -1),以形成流出物,其包含 所述经处理的可烷基化芳族化合物。

    Alkylaromatics production
    6.
    发明申请
    Alkylaromatics production 有权
    烷基芳烃生产

    公开(公告)号:US20080139859A1

    公开(公告)日:2008-06-12

    申请号:US11599864

    申请日:2006-11-15

    IPC分类号: C07C2/64

    摘要: A process for alkylation of an alkylatable aromatic compound to produce a monoalkylated aromatic compound, comprising the steps of (a) contacting at least one the alkylatable aromatic compound and at least one the alkylating agent with at least one molecular sieve catalyst under suitable alkylation or transalkylation conditions in at least one reaction zone, to produce at least one effluent which comprises the monoalkylated aromatic compound, wherein the suitable alkylation or transalkylation conditions comprise a water content being in a range from about 1 wppm to about 10 wt. % based on the combined weight of the alkylatable aromatic compound and the alkylating agent; and (b) maintaining the water content in the reaction zone; wherein the cycle length of the molecular sieve catalyst operated inside the range of the water content is greater than the cycle length of the molecular sieve catalyst operated outside the range of the water content.

    摘要翻译: 烷基化芳族化合物以制备单烷基化芳族化合物的方法,包括以下步骤:(a)在合适的烷基化或烷基转移下使至少一种可烷基化芳族化合物与至少一种烷基化剂与至少一种分子筛催化剂接触 在至少一个反应区中的条件,以产生至少一种包含单烷基化芳族化合物的流出物,其中合适的烷基化或烷基转移条件包括水含量在约1wppm至约10wt。 基于可烷基化芳族化合物和烷基化剂的总重量的%; 和(b)保持反应区中的水分含量; 其中在水含量范围内操作的分子筛催化剂的循环长度大于在水含量范围之外运行的分子筛催化剂的循环长度。

    Process and apparatus for preparing ethylbenzene using vapor phase alkylation and liquid phase transalkylation
    7.
    发明申请
    Process and apparatus for preparing ethylbenzene using vapor phase alkylation and liquid phase transalkylation 审中-公开
    使用气相烷基化和液相烷基转移制备乙苯的方法和设备

    公开(公告)号:US20080033222A1

    公开(公告)日:2008-02-07

    申请号:US11805047

    申请日:2007-05-22

    IPC分类号: C07C15/073

    摘要: A process for preparing ethylbenzene from benzene and ethylene in which a vapor phase alkylation reactor is combined with a liquid phase transalkylation reactor wherein the xylenes content of the ethylbenzene product is less than 700 wppm. Also disclosed are ethylbenzene processes in which a series-arranged or combined vapor phase alkylation/transalkylation reaction zone is retrofitted to have a vapor phase alkylation reactor and a liquid phase transalkylation reactor, and in which a parallel-arranged vapor phase alkylation reactor and vapor phase transalkylation reactor is retrofitted to have a vapor phase alkylation reactor and liquid phase transalkylation reactor. An apparatus for the practice of the ethylbenzene process of this invention is disclosed.

    摘要翻译: 一种从苯和乙烯制备乙苯的方法,其中气相烷基化反应器与液相烷基转移反应器结合,其中乙苯产物的二甲苯含量小于700wppm。 还公开了乙苯工艺,其中串联或组合的气相烷基化/烷基转移反应区被改造成具有气相烷基化反应器和液相烷基转移反应器,其中平行排列的气相烷基化反应器和气相 烷基转移反应器被改装成具有气相烷基化反应器和液相烷基转移反应器。 公开了一种用于实施本发明的乙苯方法的装置。

    Aromatics alkylation process
    8.
    发明申请
    Aromatics alkylation process 失效
    芳烃烷基化方法

    公开(公告)号:US20050113617A1

    公开(公告)日:2005-05-26

    申请号:US10722790

    申请日:2003-11-25

    申请人: Vijay Nanda

    发明人: Vijay Nanda

    摘要: The invention relates to a process for producing alkylated aromatics, preferably ethylbenzene, in a multiple bed reactor in which at least two catalysts, each comprising a molecular sieve, are used in sequential beds. The first alkylation catalyst is selected to have a higher activity or alpha value than the subsequent alkylation catalyst.

    摘要翻译: 本发明涉及在多床反应器中制备烷基化芳族化合物,优选乙苯的方法,其中在顺序床中使用至少两种各自包含分子筛的催化剂。 选择第一烷基化催化剂具有比随后的烷基化催化剂更高的活性或α值。

    Alkylated aromatics production
    9.
    发明授权
    Alkylated aromatics production 有权
    烷基化芳烃生产

    公开(公告)号:US08629311B2

    公开(公告)日:2014-01-14

    申请号:US12721326

    申请日:2010-03-10

    IPC分类号: C07C2/66 C07C6/12

    摘要: Disclosed is a process for the production of alkylated aromatics by contacting a feed stream comprising an alkylatable aromatic, an alkylating agent and trace amounts of water and impurities in the presence of first and second alkylation catalysts wherein the water and impurities are removed in order to improve the cycle length of such alkylation catalysts. Water and a portion of impurities are removed in a dehydration zone. A first alkylation zone having a first alkylation catalyst which, in some embodiments is a large pore molecular sieve, acts to remove a larger portion of impurities, such as nitrogenous and other species, and to alkylate a smaller portion of the alkylatable aromatic compound. A second alkylation zone, which in some embodiments is a medium pore molecular sieve, acts to remove a smaller portion of impurities, and to alkylate a larger portion of the alkylatable aromatic compound.

    摘要翻译: 公开了通过在第一和第二烷基化催化剂存在下使包含可烷基化芳族化合物,烷基化剂和痕量水和杂质的进料流接触来生产烷基化芳族化合物的方法,其中除去水和杂质以改善 这种烷基化催化剂的循环长度。 在脱水区中除去水和一部分杂质。 具有第一烷基化催化剂的第一烷基化区,在一些实施方案中为大孔分子筛,起到除去较大部分杂质如氮和其它物质的作用,并将较小部分的可烷基化芳族化合物烷基化。 在一些实施方案中,第二烷基化区是中孔分子筛,起到除去较少部分杂质的作用,并使大部分可烷基化芳族化合物烷基化。

    Alkylation Process
    10.
    发明申请
    Alkylation Process 有权
    烷基化方法

    公开(公告)号:US20130137910A1

    公开(公告)日:2013-05-30

    申请号:US13746965

    申请日:2013-01-22

    IPC分类号: C07C2/66

    摘要: The present invention provides an improved process for the catalytic conversion of a feedstock comprising an alkylatable aromatic compound and an alkylating agent to form a conversion product comprising the desired alkylaromatic compound by contacting said feedstock in at least partial liquid phase under catalytic conversion conditions with a catalyst composition comprising a porous crystalline material having a structure type of FAU, BEA* or MWW, or a mixture thereof, wherein the porous crystalline material has a Relative Activity measured at 220° C. as an RA220 of at least 7.5 or measured at 180° C. as RA180 of at least 2.5, allowing operation at lower reaction pressures, e.g., a reaction pressure of about 450 psig (3102 kPa) or less, and lower alkylating agent feed supply pressure of 450 psig (3102 kPa) or less.

    摘要翻译: 本发明提供了一种用于催化转化包含可烷基化芳族化合物和烷基化剂的原料的改进方法,以通过使催化转化条件下的至少部分液相与催化剂接触来形成包含所需烷基芳族化合物的转化产物 组合物,其包含结构类型为FAU,BEA *或MWW的多孔结晶材料或其混合物,其中所述多孔结晶材料具有在220℃下测量的相对活性,RA220为至少7.5或在180° C.作为至少2.5的RA180,允许在较低反应压力下进行操作,例如约450psig(3102kPa)或更低的反应压力和450psig(3102kPa)或更低的烷基化剂进料供应压力。