In this work, the catalytic oxidation of trichloroethylene (TCE) was performed for the first time over the Cu modified ZSM-5 zeolite membrane catalysts prepared via metal-organic chemical vapor deposition (MOCVD). The results displayed that four Cu/ZSM-5/PSSF catalysts with different copper loadings were highly selective to HCl, while the 5Cu/Z (Cu/ZSM-5/PSSF catalyst with copper loading of 5%) exhibited the best catalytic behavior with 90% of TCE conversed at 490 °C, which decreased 36 °C compared with 0.5Cu/Z catalyst. The possible reasons are higher concentration of Cu²⁺ species and better dispersion of active species. Meanwhile, the stability test was performed on the 5Cu/Z catalyst for 50 h, and the 5Cu/Z catalyst started to deactivate gradually after 35 h due to the poison of Cl during the catalytic oxidation process. It has been shown that more Cu²⁺ species and better dispersion of active components are important to prepare a superior catalyst for CVOCs combustion.

在这项工作中，三氯乙烯（TCE）的催化氧化首次在通过金属有机化学气相沉积（MOCVD）制备的Cu改性ZSM-5沸石膜催化剂上进行。结果表明，四种具有不同铜负载量的Cu / ZSM-5 / PSSF催化剂对HCl具有高度选择性，而5Cu / Z（铜负载量为5％的Cu / ZSM-5 / PSSF催化剂）表现出最佳的催化性能。 90％的TCE在490°C下转化，与0.5Cu / Z催化剂相比，降低了36°C。可能的原因是Cu ^2+的浓度较高物种和活性物种更好的分散。同时，对5Cu / Z催化剂进行了50h的稳定性测试，由于催化氧化过程中Cl的毒性，5Cu / Z催化剂在35h后开始逐渐失活。已经显示出更多的Cu ²⁺种类和活性成分的更好分散对于制备用于CVOCs燃烧的优良催化剂是重要的。