A novel bimetallic doped PAC (Fe-Mn/PAC) pellet was prepared with a facile sol-gel method and used as an ozone catalyst for phenolic wastewater (PWW) treatment. Adoption of Fe-Mn/PAC pellet in microbubble ozonation enhanced the 1-h chemical oxygen demand (COD) and phenol removal in PWW to 79% and 95%, respectively. With ozone dosage of 10 mg/L, 1 g/L Fe-Mn/PAC pellet exhibited ozone conversion of 92%. In comparison to microbubble ozonation process, Fe-Mn/PAC induced microbubble-catalytic ozonation process promoted ozone decomposition rate by 1.9 times. In terms of ^•OH production, Fe-Mn/PAC pellet enhanced ^•OH exposure by 10 times, with a R_ct value of 2.92 $\times$ 10 ^-8. R_ct kinetic model also suggested that Fe-Mn/PAC pellet obtained higher kinetic rate constants for initiating and promoting ^•OH generation. Usage of Fe-Mn/PAC pellet in microbubble ozonation for phenolic wastewater treatment also reduced the total ozone consumption by 70%. In Fe-Mn/PAC induced microbubble-catalytic ozonation process, the ratio between ozone consumption and COD removal (ΔO₃/ΔCOD) was 0.91. Fe-Mn/PAC pellet characterization with X-ray photoelectron spectroscopy (XPS), Fourier-transform infrared (FT-IR) and X-ray powder diffraction (XRD) analysis revealed successful doping of Fe-Mn on PAC substrate and larger numbers of carbon-oxygen/hydroxyl surface groups, which played key roles in ozone decomposition and ^•OH production.

采用简便的溶胶-凝胶法制备了一种新型双金属掺杂 PAC (Fe-Mn/PAC) 颗粒，并将其用作含酚废水 (PWW) 处理的臭氧催化剂。在微泡臭氧化中采用 Fe-Mn/PAC 颗粒可将 PWW 中的 1 小时化学需氧量 (COD) 和苯酚去除率分别提高到 79% 和 95%。臭氧用量为 10 mg/L 时，1 g/L Fe-Mn/PAC 颗粒的臭氧转化率为 92%。与微气泡臭氧化工艺相比，Fe-Mn/PAC诱导的微气泡催化臭氧化工艺将臭氧分解率提高了1.9倍。在^• OH 产生方面，Fe-Mn/PAC 颗粒将^• OH 暴露量提高了 10 倍，R _ct值为 2.92 $\times$ 10 ^-8 . R _ct动力学模型还表明，Fe-Mn/PAC 颗粒获得了更高的动力学速率常数，用于引发和促进^• OH 的生成。使用 Fe-Mn/PAC 颗粒进行微泡臭氧化处理含酚废水也将臭氧总消耗量降低了 70%。在Fe-Mn/PAC诱导的微泡催化臭氧化过程中，臭氧消耗量与COD去除量之比（ΔO ₃ /ΔCOD）为0.91。通过 X 射线光电子能谱 (XPS)、傅里叶变换红外 (FT-IR) 和 X 射线粉末衍射 (XRD) 分析对 Fe-Mn/PAC 颗粒进行表征，揭示了 Fe-Mn 在 PAC 基板上的成功掺杂和大量的碳-氧/羟基表面基团，在臭氧分解和^• OH 生产。