低C/N比高氨氮废水生物脱氮技术研究进展

Research Progress on Biological Nitrogen Removal Technology in High Concentration Ammonia Nitrogen Wastewater at Low C/N

针对低C/N比高氨氮废水利用传统生物脱氮技术存在碳源不足、总氮去除率不达标、经济花费高等问题,总结了高氨氮废水处理中几种主要的生物脱氮工艺及研究动态,介绍这几类工艺在处理高氨氮废水的研究成果,同时比较分析各类工艺优缺点,指出未来的主要研究方向,为低C/N比高氨氮废水处理经济高效脱氮工艺的工程化应用提供思路。

The traditional biological nitrogen removal technology for low C/N and high ammonia nitrogen wastewater has problems such as insufficient carbon source,substandard total nitrogen removal rate and high economic cost.This article summarizes several main biological nitrogen removal processes and research trends in the treatment of high ammonia nitrogen wastewater,introduces the research results of these processes in treating high ammonia nitrogen wastewater,compares and analyzes the advantages and disadvantages of various processes,points out the main research directions in the future,and provides ideas for the engineering application of economic and efficient nitrogen removal processes in the treatment of low C/N and high ammonia nitrogen wastewater.