中文摘要：

采用液液萃取与气相色谱-质谱联用技术研究二氧化氯、活性炭纤维及二氧化氯与活性炭纤维联用3种方法对2-MIB的去除效果，考察二氧化氯和活性炭纤维投加量、溶液pH和底物初始质量浓度对目标物去除效果的影响。研究结果表明：CIO2单独去除的最佳投加量为8mgm，pH〈7时效果较好。ACF最佳投加量和最佳pH分别为20m叽和6．14。2-MIB的去除率都随其初始质量浓度增大而降低。ACF与CIO2联用工艺中二者投加量分别为1mg/L和14mg/L时，2-MIB的去除率可达88．2％，比单独吸附去除效果提高4．6％，同时降低30％的ACF投加量，此外，联用工艺对于处理低质量浓度的2-MIB更为有效。ACF吸附2-MIB符合伪二级反应动力学模型，粒子内部扩散是吸附过程的主要控制步骤，吸附可能是个复杂的非均相固液反应。

英文摘要：

The effects of chlorine dioxide, activated carbon fiber and their combined process on the removal of 2-methylisoborneol （2-MIB） were investigated by using liquid-liquid extraction and gas chromatography-mass spectrometry （GC-MS）. The influences of the dosages of chlorine dioxide and activated carbon fiber, pH of the reaction mixture and initial substrate concentration on the removal efficiency of 2-MIB were studied. The results show that the optimal doses are 8 mg/L for CIO2. A better oxidation efficiency is obtained at pH〈7, and the optimum dosage and pH for ACF adsorption are 20 mg/L, 6.14 respectively. For both oxidation and adsorption, the removal efficiency decreases with increasing 2-MIB concentration. When the addition dosages of chlorine dioxide and ACF are 1 mg/L and 14 mg/L respectively in the combined process of activated carbon fiber and chlorine dioxide, the removal rate of 2-MIB is measured up to 88.2%. Compared with ACF adsorption alone, the removal rate raises 4.6%, and a 30% reduction of ACF dosage simultaneously. In addition, the combined process is more effective for 2-MIB removal in low concentration Kinetics study indicates that ACF adsorption of 2-MIB fits the pseudo second-order kinetic model well. The intra-particle diffusion is the main rate-controlling step of adsorption process. Moreover, the adsorption of 2-MIB could be a complex heterogeneous solid-liquid reaction.