The results showed that,the conversion of ethylene was 100%,the selectivity of ethylbenzene and polyethy lated benzene was larger than 99 7%.

• 研究表明，苯烃化催化精馏工艺中，乙烯转化率为100%25，乙苯和多乙苯的选择性大于99．7%25，反应物中没有其它工艺中产生的甲苯和二甲苯；