臭氧催化氧化技术中活性炭型催化剂比表面积大，且载体自身具有催化作用，活性一般较好，但其结构松散、磨耗较高，影响工业应用。对自制活性炭复合催化剂进行改性后处理石化污水，探索催化剂的性能优势及适宜的工艺条件。结果表明，催化剂可强化臭氧氧化效果，提高臭氧利用率。活性炭复合催化剂具有高强度、低磨耗的特点，其COD去除率较活性炭催化剂提高12%，经过表面活性剂改性后的COD去除率进一步提高近10%。低反应空速和高臭氧投加量有利于提高COD去除率。ACFH-2和ACFH-3催化剂处理后出水COD值均小于50 mg/L，并在150 h内活性没有明显下降，表现出良好的催化活性和稳定性，适于工业推广应用。

Activated carbon catalyst has a large specific surface area and the function of catalyzing ozone to decompose into hydroxyl radicals in catalytic oxidation technology,but it also has the disadvantages such as loose structure and high wear,which limit its industrial application.The self-made activated carbon composite catalyst is modified and used to treat with petrochemical wastewater.The performance advantages and the suitable technological conditions of the catalysts are explored.Results show that the catalyst can enhance the ozone oxidation effect and the utilization rate of ozone,and has itself the characteristics of high strength and low wear.Its removal rate for COD is 12% higher than that of common activated carbon catalyst.Its removal rate for COD will be increased by another 10% after being modified by surfactant.Both low reaction space velocity and high ozone dosage can help to improve removal rate of COD.COD content in effluent can be less than 50 mg·L^-1 after the wastewater is treated by ACFH-2 and ACFH-3 catalysts.There is no significant decline in activity within 150 hours.The modified catalysts are suitable for industrial application due to good catalytic activity and stability.

王雪清(1984-),男,硕士,工程师,研究方向为石化污水深度处理,wangxueqing.fshy@sinopec.com