臭氧紫外法处理TNT水溶液的研究

目的 研究梯恩梯（ＴＮＴ）水溶液中臭氧紫外氧化工艺下的降解特性。方法 通过实验，测定不同氧化条件下ＴＮＴ降解过程中的ＴＮＴ、三硝基化合物、臭氧等相关物质的浓度变化。结果与结论 单独臭氧氧化对ＴＮＴ的降解作用小；臭氧紫外联合氧化作用对ＴＮＴ降解效果明显；碱性环境对臭氧紫外氧化法降解ＴＮＴ的促进作用不大。经臭氧紫外氧化处理后，ＴＮＴ水溶液中仍残存一定量的三硝基化合物，当其质量分数下降到２５％以后变化非

Ozone Ultraviolet Oxidative Treatment of TNT in Water

Aim To study the degradation of TNT in water by ozone ultraviolet advanced oxidation process (O 3+UV). Methods The concentration changes of various compounds such as TNT, trinitroaromatic compounds, O 3, etc. were investigated by experiments. Results and Conclusion TNT can be degraded more faster by combining O 3 with UV radiation while very slowly by only using O 3. A high pH does not improve the removal efficiency of O 3+UV process significantly. There still exist some trinitroaromatic compounds in the solution after TNT being processed, and they will reduce slowly after the mass fraction is less than 25%. The O 3+UV process is not suitable for the final treatment of trinitroaromatic compounds.