技术特点和应用范围

乙烯与石油苯采用气相烷基化技术高选择的制取乙苯，采用专利技术开发的高活性分子筛材料，乙烯转化率高，乙苯选择性好，产物二甲苯含量低。目前该技术已经完成了实验室全部开发，进入工业推广阶段。

催化剂物性指标

外观                                                                      白色条状

粒度                                                                      ф3.0±0.5

堆密度/Kg·L-1                                                      0.50~0.65

磨耗率/%                                                              ≤3.0

正常操作条件及性能指标

1.使用条件

压力/MPa                                                              0.7~0.9

温度/℃                                                                  330~420

乙烯质量空速/h-1                                                  0.2~0.5

苯/乙烯（mol/mol）                                             5.0~7.0

2.性能指标

乙烯转化率/%                                                       ≥99.5

乙苯选择性（乙苯+二乙苯）/%                         ≥95.0

再生周期/月                                                           ≥12