公开(公告)号：US20100300930A1

公开(公告)日：2010-12-02

申请号：US12720345

申请日：2010-03-09

申请人： Michael C. CLARK ,  Benjamin S. UMANSKY ,  Elizabeth A. NYE ,  Mark J. REICHENSPERGER ,  William C. LEWIS

发明人： Michael C. CLARK ,  Benjamin S. UMANSKY ,  Elizabeth A. NYE ,  Mark J. REICHENSPERGER ,  William C. LEWIS

IPC分类号： C10L1/04 ,  C10G35/06

CPC分类号： C10G35/065 ,  B01J29/7038 ,  C07C2/66 ,  C07C2529/70 ,  C10G29/205 ,  C10G2300/1092 ,  C10G2300/1096 ,  C10G2300/301 ,  C10G2300/305 ,  C10G2300/4018 ,  C10G2400/02 ,  Y02P20/52 ,  C07C15/085

摘要： A process for the alkylation of a benzene-containing refinery stream such as reformate with light refinery olefins which is capable of achieving high benzene conversion levels operates in a fixed bed of an MWW zeolite catalyst, preferably MCM-22, in single pass mode in the liquid phase at a relatively low to moderate temperatures with pressure maintained at a value adequate to ensure subcritical operation. High levels of benzene conversion with conversions of at least 90% and higher, e.g. 92% or 95% or even higher are achievable. A high octane product is produced, comprising mono-, di- and tri-alkylbenzenes with lesser levels of the tetra-substituted products. By operating with staged olefin injection, the end point of the alkylation product can be maintained at a low value while, at the same time, achieving high levels of benzene and olefin conversion.

摘要翻译： 使用能够获得高苯转化水平的轻炼油烯烃的含苯精炼料流如重整油的烷基化方法在MWW沸石催化剂（优选MCM-22）的固定床中以单程模式在 液相在相对低至中等温度下，压力保持在足以确保亚临界操作的值。 高转化率的苯转化率至少为90％以上，例如。 可达到92％或95％甚至更高。 产生高辛烷值的产物，包括具有较低含量的四取代产物的单烷基苯，二烷基苯和三烷基苯。 通过使用分段烯烃注入操作，烷基化产物的终点可以保持在低值，同时实现高水平的苯和烯烃转化。