Process to alkylate an aromatic with a dilute stream comprising
propylene and ethylene
    1.
    发明授权
    Process to alkylate an aromatic with a dilute stream comprising propylene and ethylene 有权
    用包含丙烯和乙烯的稀释流将芳族化合物烷基化的方法

    公开(公告)号:US6063976A

    公开(公告)日:2000-05-16

    申请号:US135919

    申请日:1998-08-18

    摘要: The present invention provides a method comprising (a) contacting a first reaction mixture comprising an aromatic and a dilute stream comprising ethylene and propylene with a large pore microporous solid acid catalyst, preferably a large pore zeolite catalyst, which is effective to promote alkylation of the aromatic under first conditions effective to maintain a liquid phase comprising the aromatic and effective to cause the propylene to alkylate said aromatic but substantially ineffective to cause the ethylene to alkylate said aromatic, forming propylated aromatic and a second dilute stream comprising ethylene but substantially depleted of propylene, and (b) recovering the propylated aromatic.

    摘要翻译: 本发明提供了一种方法,其包括(a)将包含乙烯和丙烯的芳族和稀释物流的第一反应混合物与大孔微孔固体酸催化剂,优选大孔沸石催化剂接触,该催化剂有效促进烷基化 在第一条件下芳族化合物有效地保持包含芳族化合物的液相并且有效地使丙烯烷基化所述芳族但实质上无效以使乙烯烷基化所述芳族化合物,形成丙基化芳族化合物和第二稀释流,其包含乙烯但基本上不含丙烯 ,和(b)回收丙基化芳族化合物。