亚硝化细菌和反硝化细菌的固定化及其降解废水中氨氮的研究_宋霖霞

ReseachonRemovingAmmoniumNitrogenfromWasterwaterbyImmobilizedofNitrosobacteriaandDenitrobacteriaLinxiaSong1,SuyingWang21CollegeofBiotechnologyandFoodScience,TianjinUniversityofCommerce,Tianjin，China,3001342CollegeofBiotechnologyandFoodScience,TianjinUniversityofCommerce,Tianjin,China,300134Email:myxia987@163.com,wsying@tjcu.edu.cnAbstract:ItmainlyintroducesimmobilizedNitrosobacteriaandDenitrobacteriatechnologyinthispaper.Aftercomparingsomeimmobilizedmeans,theresultsindicatedthat10%polyvinylalcohol(PVA),1vol.bacteriain2vol.gelatin,32hcrosslinkedtimeweretheoptimalconditions.Moreover,Wastewatercon-tainedammonianitrogenwastreatedbyimmobilizedmicrobialbeadsthatweremadeinbestconditions.Theexperimentalresultsshowedthatthecontentofammonianitrogen,nitriteandCODinartificialwastewaterwasdecreasedsignificantly,theammonianitrogenremovalratewas85.5%andtheCODdecrementratewas84.8%respectively.Keywords:Nitrosobacteria;Denitrobacteria;Immobilization;Ammonianitrogen亚硝化细菌和反硝化细菌的固定化及其降解废水中氨氮的研究亚硝化细菌和反硝化细菌