【作者】 苏敏；

【导师】 马双忱；

【作者基本信息】 华北电力大学（河北） ， 环境工程， 2010， 硕士

【摘要】 本文介绍了燃煤电厂同时脱硫脱硝技术及臭氧高级氧化技术脱除多污染物的研究、发展及其在环境污染治理方面的应用,分析了臭氧氧化反应的机理。通过实验研究了臭氧气相脱除烟气中SO₂和NO_x的效果,考察了各因素对该实验效果的影响。在最佳实验条件下,SO₂的脱除率达100%,NO_x的脱除率为93%。液相臭氧氧化实验中,分别采用去离子水和硝酸钙溶液作为吸收液进行实验,考察各种因素的水平变化对SO₂和NO_x脱除效果的影响并得出最佳实验条件,且对其机理进行了分析,结果表明硝酸钙溶液可辅助臭氧脱硫脱硝从而降低臭氧的消耗。论文还对反应产物进行了分析,验证了物料平衡。本论文可为将来臭氧烟气脱硫脱硝技术的发展及工业化应用提供参考依据。更多还原

【Abstract】 Researches on desulfurization and denitrification technologies and multi-pollutants control technology in flue gas by ozone are introduced in this paper,including their developments and applications in environmental pollutants control. The mechanism of ozone with pollutants is analyzed. Experiments on the removal of SO₂ and NO_x in gas phase were carried out to learn about the effects of varing fators on the experimental results. The removal efficiency of SO₂ and NO_x can reach 100% and 93% in the best experimental condition. Moreover,SO₂ and NO_x were oxidized by ozone in deionized water and Ca（NO3）2 solution, respectively. The best experimental conditions for removal of SO₂ and NO_x were obtained through factor-experiments. The result shows that Ca（NO3）2 solution can assist the oxidization of SO₂ and NO_x by O3 to reduce the consumption of ozone. The products resulting from the reactions are also analyzed in the paper to make sure the matters are in accordance with the mass conservation law. The article can provide reference for the development of the removal of SO₂ and NO_x from flue gas and its industrial applications.更多还原