【摘要】 针对某化纤公司工艺废水逸出尾气中恶臭的挥发性有机物（VOCs），以苯系中极难分解且具有代表性的二甲苯作为目标污染物，以出口二甲苯降解率为指标，采用Fenton试剂催化氧化法，探讨了Fenton试剂物料配比、填料塔喷淋流量、进口气体流量和填料层高度等工艺参数和操作条件对模拟废气的去除效果的影响。在试剂pH=3、w=30%的H₂O₂溶液投加量为10 mL/L、n（H₂O₂）∶n(Fe²⁺)=4、喷淋循环流量为360 mL/min、入口气体流量为0.6 L/min、填料填充高度为30 cm的条件下，模拟气中的二甲苯降解率达到67.60%。试验结果表明，Fenton试剂液相催化氧化技术能够降解尾气中挥发性有机物，满足该公司改造尾气处理装置施工的需求。更多还原

【Abstract】 For the volatile organic compounds（VOCs） escaping from the process wastewater of a certain petrochemical fiber company with benzene series compounds, particularly the representative and difficult-to-degrade xylene, as the target pollutant, the Fenton reagent catalytic oxidation method is employed. The study investigates the effects of process parameters and operating conditions such as Fenton reagent material ratio, spray flow rate of the packing tower, inlet gas flow rate, and packing layer height on the removal efficiency of simulated exhaust gas, using the degradation rate of xylene at the outlet as the index. The results show that under the conditions of pH=3, w=30% hydrogen peroxide dosage of 10 mL/L, molar ratio of n（H₂O₂）∶n(Fe²⁺)=4, spray circulation flow rate of 360mL/min, inlet gas flow rate of 0.6 L/min, and packing filling height of 30 cm, the removal rate of xylene in the simulated gas can reach 67.60%. The experimental results indicate that the Fenton reagent liquid-phase catalytic oxidation technology can degrade VOCs in the exhaust gas, meeting the requirements for the renovation of the exhaust gas treatment device of the company.更多还原