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中文摘要：
研究了微波、膨胀石墨和Fenton协同催化氧化法处理甲基橙（MO）废水工艺,探讨了各种因素对废水脱色效果的影响。结果表明,微波-膨胀石墨-Fenton试剂氧化体系产生了明显的协同效应,能高效快速降解废水中的MO。在优化工艺条件下,即在50 mL初始pH为4、MO质量浓度为450 mg/L的废水中,膨胀石墨用量1 g/L、微波辐射功率259 W、微波辐射9 min、双氧水用量为3 mL/L、n（H2O2）：n（Fe2＋）=40：1条件下,甲基橙脱色率达到了99.8%。
英文摘要：
The process for methyl orange （MO） wastewater degradation in the system of microwave, expanded graphite and Fenton reagent was investigated. The effect of different factors and synergetic effect on the degradation of MO were studied. The results showed that the MO was degraded rapidly and efficiently. For 50mL solution with initial pH=4 and MO concentration of 450 mg/L, the decoloration rate of the MO was up to 99.8% under the optimal reaction conditions which, i.e. the microwave radiation power input of 259 W, the microwave radiation time of 9 min, expanded graphite mass of 1 g/L, hydrogen peroxide dosage of 3 mL/L and n（HzO2）：n（Fe2＋）=40：1. Degradation process of MO wastewater by Microwave, hydrogen peroxide and expanded graphite have synergetic effect.
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