Landfill leachate is classified as special wastewater because it contains a large amount of hazardous materials that can lead to the pollution of surface water, generating polluted water with landfill leachate (PWLL) with high organic load. This study investigated the treatment of PWLL by peroxymonosulfate (PMS)/O₃/UV process. The effects of several operating parameters such as pH, reaction time, O₃ and PMS dosage were investigated in detail. The results showed that PMS/O₃/UV removed total organic carbon (TOC) (74%), color (98%), ammonia (93%), chemical oxygen demand (COD) (81%), and biochemical oxygen demand (BOD) (69%) in 75 min at optimal conditions (pH=7, PMS=5 mM, O₃=1.7 mg/min). According to the results, O₃ and UV can well activate PMS and promote the ability of the process to remove TOC from PWLL. Adding ferrous ion to PMS/O₃/UV increased the TOC removal efficiency (77%), but cobalt ions had no significant effect on the TOC removal. The elimination of TOC by the PMS/O₃/UV process follows pseudo-first-order kinetic model with the reaction rate constant of 0.0203 min⁻¹. Compared to peroxone/ UV, PMS/O₃/UV showed high yield in TOC, COD, color and ammonia removal. Thus the PMS/O₃/UV process can be a new approach for treatment of polluted water in low volume.

垃圾渗滤液被归类为特殊废水，因为它含有大量的有害物质，会导致地表水的污染，产生有机负荷高的垃圾渗滤液（PWLL）污染水。本研究调查了过硫酸盐 (PMS)/O ₃ /UV 工艺对 PWLL 的处理。详细研究了几个操作参数的影响，例如 pH、反应时间、O ₃和 PMS 剂量。结果表明，PMS/O ₃ /UV去除了总有机碳（TOC）（74%）、颜色（98%）、氨（93%）、化学需氧量（COD）（81%）和生化需氧量（ BOD) (69%) 在最佳条件下（pH=7，PMS=5 mM，O ₃ =1.7 mg/min）在 75 分钟内。根据结果​​，O ₃UV 可以很好地激活 PMS 并提高工艺从 PWLL 中去除 TOC 的能力。在 PMS/O ₃ /UV 中添加亚铁离子提高了 TOC 去除效率（77%），但钴离子对 TOC 去除没有显着影响。通过PMS/O ₃ /UV 工艺消除TOC遵循准一级动力学模型，反应速率常数为0.0203 min ^-1。与 peroxone/UV 相比，PMS/O ₃ /UV 在 TOC、COD、颜色和氨去除方面表现出高产率。因此，PMS/O ₃ /UV 工艺可以成为处理少量污水的新方法。