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Research Progress of Ammonia Nitrogen Wastewater Treatment Technology

Jiang Rui,Zeng Hongyun,Wang Qiang(Heilongjiang Provincial Research Institute of Environmental Science,Harbin 150056,China)  
Focused on the point source pollution caused by ammonia nitrogen wastewater,this paper reviewed the treatment technologies of ammonia nitrogen wastewater with low and high concentrations.The treatment technologies for low-concentration ammonia nitrogen wastewater included,biological treatment,break point chlorination,precipitation and ion exchange method.Technologies for high concentration wastewater are physicochemical,biological treatment,short-cut nitrification,denitrification and biofilm SBR method.This paper discussed the application conditions and treatment effect,and has proposed the prospects for the future development.It offered a reference to understand and master the treatment technologies of high-and low-concentration ammonia nitrogen wastewater.
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