木片反硝化生物反应器对农业面源污水氮去除的研究进展  

Review of Researches on Nitrogen Removal Effects of Denitrifying Woodchip Bioreactor from Agricultural Non-point Source Wastewater

作　　者：庞家平 李恒鹏[1] 李俊 臧帅 PANG Jia-ping;LI Heng-peng;LI Jun;ZANG Shuai(Key Laboratory of Watershed Geographic Sciences,Nanjing Institute of Geography and Limnology,Chinese Academy of Sciences,Nanjing 210008,China;Hangzhou Bureau of Ecology and Environment Chun′an Branch,Hangzhou 311799,China;School of Environmental Science and Engineering,Nanjing University of Information Science&Technology,Nanjing 210044,China)

机构地区：[1]中国科学院南京地理与湖泊研究所流域地理学重点实验室,江苏南京210008 [2]杭州市生态环境局淳安分局,浙江杭州311799 [3]南京信息工程大学环境科学与工程学院,江苏南京210044

出　　处：《生态与农村环境学报》2024年第11期1463-1472,共10页Journal of Ecology and Rural Environment

基　　金：云南省重大科技专项计划项目(202202AE090034);中国科学院A类战略性先导科技专项(XDA23020403);杭州市生态环境局淳安分局委托项目(ZJYGZF[2021]012号)。

摘　　要：木片反硝化生物反应器使用木片、玉米芯等作为固体碳源,利用微生物的反硝化作用将溶解的NO_(3)^(-)-N转化为氮气,是一种广泛应用的NO_(3)^(-)-N削减方法。该文综述了近年来国内外木片反硝化生物反应器的类型、氮去除机制和去除效果,探讨了碳源、水力停留时间、温度、溶解氧等因素对氮去除效果的影响,总结了木片反硝化生物反应器的温室气体排放、硫酸盐还原和甲基汞产生等次生环境效应,最后展望了木片反硝化生物反应器的改进和扩展应用的前景。该文可为木片反硝化生物反应器净化高氮污水的应用和性能优化提供理论参考。The denitrifying woodchip bioreactor utilizes woodchips and corn cobs as solid carbon sources,facilitating the conversion of dissolved NO_(3)^(-)-N into nitrogen gas through the action of denitrifying microorganisms.This method is widely recognized for its effectiveness in reducing NO_(3)^(-)-N levels.This paper reviews the various types,mechanisms,and performance outcomes associated with denitrifying woodchip bioreactors.It discusses the influence of carbon source,hydraulic residence time,temperature,and dissolved oxygen on nitrogen removal efficiency.Additionally,it summarizes secondary environmental impacts related to greenhouse gas emissions,sulfate reduction,and methylmercury production within these systems.Finally,this study explores potential improvements and expanded applications for denitrifying woodchip bioreactors.The findings presented herein provide valuable theoretical insights for optimizing their application in treating wastewater with high nitrogen concentrations.

关 键 词：木片反硝化生物反应器 面源污染 氮去除 固体碳源 水力停留时间 环境效应 

分 类 号：X524[环境科学与工程—环境工程]