In this work, a combination of synthesized zeolite with a Dielectric Barrier Discharge (DBD) air plasma reactor was applied for the removal of tetracycline (TC) from effluents. The zeolites with different Na₂O/SiO₂ ratios were synthesized and inserted in a DBD reactor. The as-prepared zeolites were characterized by FTIR, SEM, BET, EDX, XRD, and TEM. The XRD results showed that the P-type zeolite turned to Y-type zeolite with an increasing Na₂/SiO₂ ratio from 0.5 to 1.5 and 2.5. The TC degradation experiments indicated that 79.1% of the initial TC was removed from the solution by the hybrid plasma- zeolite (Na₂O/SiO₂ ratio of 0.5) system after 45 min. The plasma in synergy with zeolite caused the changing amount of long-life oxidants in the system and converted it to higher reactive species. The combined system could reduce around 17 and 10% of the total organic carbon (TOC) and chemical oxygen demand (COD) more than the sole DBD system, respectively. Losing just 8% of the initial efficiency of the hybrid system after four successive runs revealed the stability of the proposed system. The radical trapping experiment method indicated that the role of ^•OH in the TC degradation was more critical than that of O₂^•−.

在这项工作中，将合成沸石与介质阻挡放电 (DBD) 空气等离子体反应器相结合，用于去除废水中的四环素 (TC)。合成具有不同Na ₂ O/SiO ₂比的沸石并将其插入DBD反应器中。所制备的沸石通过 FTIR、SEM、BET、EDX、XRD 和 TEM 进行表征。XRD结果表明，随着Na ₂ /SiO ₂比从0.5增加到1.5和2.5 ，P型沸石转变为Y型沸石。TC 降解实验表明，79.1% 的初始 TC 被混合等离子体沸石（Na ₂ O/SiO ₂0.5) 系统的比率在 45 分钟后。等离子体与沸石的协同作用导致系统中长寿命氧化剂的数量发生变化，并将其转化为活性更高的物质。与单独的 DBD 系统相比，组合系统可以分别减少约 17% 和 10% 的总有机碳 (TOC) 和化学需氧量 (COD)。混合动力系统在连续四次运行后仅损失 8% 的初始效率，这表明所提出的系统是稳定的。自由基捕获实验方法表明^• OH 在 TC 降解中的作用比 O ₂ ^•-的作用更为关键。