（外文）2017利用聚乳酸和PHBV共混物做碳源-反硝化的研究

（外文）2017利用聚乳酸和PHBV共混物做碳源-反硝化的研究Bacterialcommunitydynamicsinabiodenitrificationreactorpackedwithpolylacticacid/poly(3-hydroxybutyrate-co-3-hydroxyvalerate)blendasthecarbonsourceandbiofilmcarrierTianleiQiu,1YingXu,1,2MinGao,1MeilinHan,1andXumingWang1,3,*BeijingAgro-BiotechnologyResearchCenter,BeijingKeyLaboratoryofAgriculturalGeneticResourcesandBiotechnology,BeijingAcademyofAgricultureandForestrySciences,Beijing100097,PRChina,1JilinOriginwaterTechnologyCo.,LTD,Changchun130012,PRChina,2andKeyLaboratoryofUrbanAgriculture(North),MinistryofAgriculture,Beijing100097,PRChina3Received16March2016;accepted12December2016AvailableonlinexxxWhileheterotrophicdenitrificationhasbeenwidelyusedfortreatingsuchnitrogen-richwastewater,itrequirestheuseofadditionalcarbonsources.Withfluctuationsinthenitrateconcentrationintheinfluent,controllingtheC/Nratiotoavoidcarbonbreakthroughbecomesdifficult.Toovercomethisobstacle,solid-phasedenitrification(SPD)usingbiodegradablepolymershasbeenused,wheredenitrificationandc