燃煤电厂脱硫废水中氨氮超标问题分析及其处理技术研究进展

文章论述了燃煤电厂脱硫废水中氨氮的来源,并分析了造成脱硫废水中氨氮超标的原因,提出了降低脱硫废水中氨氮的措施。综述了目前废水中氨氮的处理方法,并论证了各方法对于脱硫废水中氨氮处理的可行性及优缺点。通过分析发现,折点加氯法、膜分离法以及高级氧化法都具有用于脱硫废水中氨氮处理的潜力。

This paper discusses the source of ammonia nitrogen in desulfurization wastewater from coal-fired power plant,analyzes the reasons for exceeding the standard of ammonia nitrogen in desulfurization wastewater,and puts forward some measures to reduce ammonia nitrogen in desulfurization wastewater.This paper summarizes the current treatment methods of ammonia nitrogen in wastewater,and demonstrates the feasibility,advantages and disadvantages of each method for the treatment of ammonia nitrogen in desulfurization wastewater.Through the analysis,it is found that the break point chlorination method,membrane separation method and advanced oxidation method all have the potential to be used in the treatment of ammonia nitrogen in desulphurization wastewater.