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    • 5. 发明申请
    • PROCESS FOR PRODUCING ALKYLAROMATIC COMPOUNDS
    • 生产烷基化合物的方法
    • WO2010042327A8
    • 2011-06-16
    • PCT/US2009058248
    • 2009-09-24
    • EXXONMOBIL CHEM PATENTS INCVINCENT MATTHEW JSMITH MORRIS C
    • VINCENT MATTHEW JSMITH MORRIS C
    • C07C2/66C07C6/12C07C15/073C07C15/085
    • C07C6/126C07C2/66C07C2529/70C07C15/073C07C15/085
    • In a process for alkylation of an alkylatable aromatic compound to produce a monoalkylated aromatic compound, a first feed stream comprising fresh alkylatable aromatic compound is passed to a first reaction zone which comprises a transalkylation catalyst and which also receives a second feed stream comprising polyalkylated aromatic compounds. The first and second feed streams are contacted with the transalkylation catalyst in the first reaction zone under conditions to transalkylate the polyalkylated aromatic compounds with the alkylatable aromatic compound to produce the desired monoalkylated aromatic compound. A first effluent stream comprising unreacted alkylatable aromatic compound and the monoalkylated aromatic compound is removed from the first reaction zone and passed to a fractionation system to separate the first effluent stream into a first light fraction comprising the unreacted alkylatable aromatic compound and a first heavy fraction comprising the monoalkylated aromatic compound. At least part of one or more impurities in the fresh feed stream are removed in the first reaction zone.
    • 在烷基化可烷基化芳族化合物以制备单烷基化芳族化合物的方法中,将包含新鲜可烷基化芳族化合物的第一进料流送至包含烷基转移催化剂的第一反应区,并且还接收包含多烷基化芳族化合物的第二进料流 。 使第一和第二进料流与第一反应区中的烷基转移催化剂接触,在使烷基化芳族化合物与可烷基化的芳族化合物进行烷基转移反应以产生所需的单烷基化芳族化合物的条件下进行。 包含未反应的可烷基化芳族化合物和单烷基化芳族化合物的第一流出物流从第一反应区除去并通入分馏系统以将第一流出物流分离成包含未反应的可烷基化芳族化合物的第一轻馏分和包含 单烷基化芳族化合物。 在第一反应区中除去新鲜进料流中的一种或多种杂质的至少一部分。