The carbon-catalyzed persulfate-based advanced oxidation process (PS-AOP) has recently received much focus owing to the green, economical, and sustainable nature of carbon catalysts. In this study, sulfur-doped ordered mesoporous carbons (S-OMCs) were utilized to activate peroxydisulfate (PDS) for ciprofloxacin (CIP) removal. A synthesis temperature gradient was set to regulate the defect level of S-OMCs, since the thermal decomposition of oxygen- and sulfur-containing groups at different temperatures could release S and O and then create defects. In all S-OMCs/PDS systems, ¹O₂ dominated CIP degradation. Interestingly, a high linear correlation (R² = 0.9091) between defect level and ¹O₂ yield was found, confirming the structure-activity relationship between defects and ¹O₂ generation. Moreover, the impacts of several important reaction conditions and water matrix on S-OMC-1000/PDS activation system were surveyed. In the S-OMC-1000/PDS activation system, CIP removal could attain 85.84% under the condition of unadjusted pH (pH = 5.3) and small amount of S-OMC-1000 (50 mg/L). The S-OMC-1000/PDS activation system also exhibited relatively stable or even better performance in the presence of common inorganic anions and natural organic matter (NOM), manifesting its good potential for practical applications. In addition, the reusability of S-OMC-1000 was investigated. This study provides a practical and high-efficiency way for decontaminating antibiotic-polluted water, and gives an alternative approach for identifying the active site of catalysts.

由于碳催化剂的绿色、经济和可持续的性质，碳催化过硫酸盐基高级氧化工艺（PS-AOP）最近受到了广泛关注。在这项研究中，硫掺杂的有序介孔碳 (S-OMC) 被用来激活过氧二硫酸盐 (PDS) 以去除环丙沙星 (CIP)。设置合成温度梯度来调节 S-OMCs 的缺陷水平，因为在不同温度下含氧和硫基团的热分解会释放 S 和 O，然后产生缺陷。在所有 S-OMCs/PDS 系统中，¹ O ₂主导 CIP 降解。^{有趣的是，缺陷水平和1} O ₂之间存在高线性相关性 (R ²  = 0.9091)^{发现了产率，证实了缺陷和1} O ₂之间的构效关系一代。此外，调查了几个重要的反应条件和水基质对 S-OMC-1000/PDS 活化体系的影响。在S-OMC-1000/PDS活化体系中，在未调节pH（pH = 5.3）和少量S-OMC-1000（50 mg/L）的条件下，CIP去除率可达85.84%。S-OMC-1000/PDS活化体系在常见无机阴离子和天然有机物（NOM）存在下也表现出相对稳定甚至更好的性能，显示出其良好的实际应用潜力。此外，还研究了 S-OMC-1000 的可重复使用性。该研究为抗生素污染水的净化提供了一种实用、高效的方法，并为识别催化剂的活性位点提供了一种替代方法。