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中文摘要：
以弱酸性艳蓝A染料废水为目标降解物,采用单因素法,研究纳米TiO2光催化净化酸性染料废水的可行性及影响因素.结果表明,纳米TiO2投加量、光照时间、染液初始浓度、染液初始pH等因素对光催化净化效果均有一定影响.实验得出最佳净化方案为纳米TiO2投加量0.1g,染液废水初始浓度40.1mg.L-1,初始pH值=2,紫外光连续照射24h,脱色率可达98.4%,COD去除率可达89.1%.纳米TiO2在紫外光照射下,对酸性染料废水有良好的净化效果.
英文摘要：
Based on the application of nano-TiO2 powder in dyeing wastewater purification,the nano-TiO2 photocatalytic purification to weak acid brilliant blue A dyeing wastewater was investigated.In the initial test,the feasibility and implications were analyzed by single factor method.The influence of dosage of nano-TiO2,initial concentration,initial pH value,and the time of the irradiation on the photocatalysis purification effect is analysed.The optimum purification scheme is determined：under the UV consecutive irradiation for 24 h,the dosage of nano-TiO2 0.1g,initial concentration of dyeing wastewater 40.1 mg·L-1,initial pH value 2,the degradation rate reaches 98.4%,COD removal rate reaches 89.1%.
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