中文摘要：

研究了筛选出的4种结构相似的醌类氧化还原介体对活性艳红K-2BP厌氧脱色的促进作用,并分析了介体促进效果与其化学结构活性相关性.在35℃中温厌氧条件下,采用间歇批量实验法,测定不同体系中介体催化活性艳红K-2BP脱色效果.结果表明,①结构相似的醌类氧化还原介体蒽醌（AQ）、1,5-二氯蒽醌（1,5-AQ）、1,8-二氯蒽醌（1,8-AQ）和1,4,5,8-四氯蒽醌（1,4,5,8-AQ）,均促进活性艳红K-2BP脱色,反应速率提高了1.4～3倍;②当醌类介体投加浓度为4 mmol.L-1,活性艳红K-2BP染料浓度为300 mg.L-1时,促进作用由大到小的顺序为：1,8-AQ〉1,5-AQ〉AQ〉1,4,5,8-AQ;③当活性艳红K-2BP染料浓度为300 mg.L-1时,1,8-AQ促进效果最佳且脱色速率常数随1,8-AQ浓度的增加而增加呈线性关系;④介体促进效果与介体取代基团数量、位置和电子共轭效应相关.本研究初步建立了氧化还原介体定性/定量构-效关系数学模型,探究和完善非水溶性氧化还原介体催化强化理论体系.

英文摘要：

Four selected quinone redox mediators with similar structure were conducted to accelerate reactive brilliant red K-2BP decolorization,and the accelerating structure-activity of redox mediators on the decolorization was also studied.Batch experiments were carried out to determine the catalyst effect on the decolorization of reactive brilliant red K-2BP with temperature of 35℃ and under anaerobic conditions.The experiment results suggested that ① four similar chemical structure redox mediators [1,4,5,8-Tetrachloroanthraquinone（1,4,5,8-AQ）,Anthraquinone（AQ）,1,8-Dichloroanthraquinone（1,8-AQ）,1,5-Dichloroanthraquinone（1,5-AQ）],all accelerated the decolorization rate of reactive brilliant red K-2BP and the reaction rate was enhanced 1.4-3 times;② the accelerating order was 1,8-AQ 1,5-AQ AQ 1,4,5,8-AQ at the quinone mediator concentration of 4 mmol.L-1 and reactive brilliant red K-2BP concentration of 300 mg.L-1;③ under the reactive brilliant red K-2BP concentration of 300 mg.L-1,1,8-AQ had best accelerating effect,and the relationship between decoloring rate constants and 1,8-AQ concentration;④ and the mediator acclerating effects also related to substituent positioning effects and conjugated effects.The structure-activity mathematical model of redox mediators was put forward,which could improve water-insoluble redox mediators catalytic strengthening theory system.