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公开(公告)号:US09233888B2
公开(公告)日:2016-01-12
申请号:US14416929
申请日:2013-07-09
IPC分类号: C07C45/53 , C07C37/08 , C07C2/66 , C07C2/70 , C07C2/74 , C07C407/00 , C07C6/12 , C07C7/12 , C07C4/18 , C07C45/00
CPC分类号: C07C2/70 , C07C2/74 , C07C4/18 , C07C6/126 , C07C7/12 , C07C37/08 , C07C45/00 , C07C45/53 , C07C407/00 , C07C2529/08 , C07C2529/70 , C07C2529/82 , C07C2529/85 , C07C2601/14 , C07C39/04 , C07C49/403 , C07C409/14 , C07C13/28
摘要: In a process for producing cyclohexylbenzene, benzene is reacted with cyclohexene under alkylation conditions effective to produce an alkylation effluent comprising cyclohexylbenzene and a polycyclohexylbenzene. A first feed comprising at least a portion of the alkylation effluent is then fed to a first separation device, where the first feed is separated into at least a first fraction containing cyclohexylbenzene and a second fraction containing the polycyclohexylbenzene, the second fraction also comprising an oxygenated hydrocarbon. At least a portion of the oxygenated hydrocarbon is removed from at least a portion of the second fraction in a second separation device to obtain a second feed. The second feed may then be reacted in a transalkylation or dealkylation reactor to convert at least part of the polycyclohexylbenzene to additional cyclohexylbenzene.
摘要翻译: 在生产环己基苯的方法中,苯与环己烯在有效产生包含环己基苯和聚环己基苯的烷基化流出物的烷基化条件下反应。 然后将包含至少一部分烷基化流出物的第一进料进料至第一分离装置,其中将第一进料分离成至少含有环己基苯的第一馏分和含有多环己基苯的第二馏分,第二馏分还包含含氧的 烃。 至少一部分含氧烃在第二分离装置中从第二馏分的至少一部分除去,以获得第二进料。 然后可以在烷基转移反应器或脱烷基反应器中使第二进料反应,以将至少部分多环己基苯转化成另外的环己基苯。