摘要
含氮废水尤其是高氨氮废水的生物处理中,游离氨对硝化作用的抑制作用显著影响工艺的运行效果.研究游离氨对硝化作用的抑制机理有利于生物脱氮工艺的长期稳定运行.总结了游离氨抑制对硝化作用影响的最新研究,介绍了游离氨对氨氧化菌和亚硝酸氧化菌的抑制模型和抑制机理,以及控制游离氨抑制作用的主要策略;探讨了游离氨选择性抑制下短程硝化反应的实现、维持和适应性,主要包括游离氨和其他影响因素如溶解氧、温度等协同作用对短程硝化的影响.
The research trend of FA inhibitions on nitrifies were introduced,including the inhibition mechanism and inhibition mathematic model of ammonia-oxidizing bacteria and nitrite-oxidizing bacteria,as well as the strategy to reduce or avoid inhibition effects.In addition,the selective inhibition effects of FA on the start-up and stability of partial nitrification were illuminated.In particular,the combinative effects of FA inhibition and other factors（such as dissolved oxygen and temperature） on short-cut nitrification were presented in the review.
出处
《哈尔滨工业大学学报》
EI
CAS
CSCD
北大核心
2012年第2期75-79,共5页
Journal of Harbin Institute of Technology
基金
"十一五"国家科技支撑计划重点项目(2009BAC57B01)
城市水资源与水环境国家重点实验室(哈尔滨工业大学)开放基金项目(QAK201006)
关键词
高氨氮
短程硝化
游离氨
生物脱氮
稳定性
high strength ammonia
short-cut nitrification
free ammonia
biological nitrogen removal
stability
