用高效硝化细菌处理含氨氮废水的研究

用高效硝化细菌处理含氨氮废水的研究第32卷第8期2010年4月武汉理工大学学报JOURNALOFWUHANUNIVERSITYOFTECHNOLOGYVol.32No.8Apr.2010DOI:10.3963/j.issn.167124431.2010.08.015用高效硝化细菌处理含氨氮废水的研究韩沛,郭长虹,龚文琪(武汉理工大学资源与环境工程学院,武汉430070)摘要:从污水处理厂的活性污泥中分离纯化得到5株硝化细菌,经初步鉴定分别属于Nitrosomonassp和Nitrobactersp。对影响硝化作用的环境因素进行了考察,确定了最适合硝化细菌生长的条件。将硝化细菌投加到含氨氮的生活污水和氮肥厂污水中,对氨氮去除率分别为99.5%和97.4%,而对照样分别只有82%和79%;并且只需在实验初期投加一次,即可获得持续稳定的去除效果。关键词:硝化细菌;筛选;脱氮效果;氨氮;废水中图分类号:X703文献标识码:A文章编号:167124431(2010)0820055204ResearchonTreatmentofNH32NWastewaterUsingHighEfficiencyNitrobacteriaHANPei,GUOChang2hong,GONGWen2qi(SchoolofResourcesandEnvironmentalEngineering,WuhanUniversityofTechnology,Wuhan430070,China)Abstract:Fivestrainsofnitrobacteriawereseparatedandpurifiedfromactivatedsludgeofsewagetreatmentplants,whichwereidentifiedasNitrosomonasspandNitrobactersp,respectively.Theenvironmentalfactorsaffectingthenitrificationwereinvestigatedandthemostsuitableconditionsforthegrowthofthenitrobacteriaweredetermined.Withtheadditionoftheni2trobacteriaintothedomesticNH32Nsewagea