XRD suggest that, after add CaH_2 in the Cu-ZSM-5, and through high temperature calcinated, there are CaCu_2O_3 inside the catalyst .

• 同时Cu-ZSM-5/ CaH_2复合催化剂具有很好的稳定性。 XRD 结果表明将CaH_2加入Cu-ZSM-5 后,经高温焙烧,在催化剂内部有CaCu2O3晶相存在。