Research Progress on Biological Nitrogen Removal Technology in High Concentration Ammonia Nitrogen Wastewater at Low C/N
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 waste water,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.
low C/Nhigh concentration ammonia nitrogen wastewaternitrogen removal processresearch direction
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