短程硝化反硝化影响因素分析_王鹏

短程硝化反硝化影响因素分析_王鹏工业用水与废水INDUSTRIALWATER&WASTEWATERVol.38No.2Apr.,2007短程硝化反硝化影响因素分析摘要:通过介绍短程硝化反硝化的脱氮机理,分析了温度、DO浓度、游离氨浓度、游离亚硝酸浓度、pH值、泥龄及有机物浓度7个方面对于短程硝化反硝化的影响,探讨如何控制这些影响因素来达到亚硝酸盐的积累,最终实现短程硝化反硝化。提出了一些常用脱氮工艺进行短程硝化反硝化的控制参数,并展望了今后研究的发展方向。关键词:短程硝化反硝化;影响因素;亚硝酸盐积累中图分类号:X703.1文献标识码:A文章编号:!1009-2455(2007)02-0012-04Analysisonfactorsaffectingshort-termnitrification-denitrificationWANGPeng1,LINHua-dong1,2(1.FacultyofUrbanConstructionandEnvironmentEngineering,ChongqingUniversity,Chongqing400045,China;2.YongchuanGlobalCreditWaterLimitedCompany,Chongqing402160,China)Abstract:Throughtheintroductionofthemechanismofshort-termnitrification-denitrificationonnitrogenremoval,sevenfactors:temperature,concentrationofDO,concentrationoffreeammonia,concentrationoffreenitrousacid,pHvalue,sludgeageandorganicsubstance,whichaffecttheshort-termnitrificationanddenitrificationwereanalyzed,meanwhile,howtocontroltheseaffectingfactorsfornitriteaccumulation,andrealizetheshort-termnitrification-denitrificationatlastwerealsodisc