一株好氧反硝化细菌的鉴定及其在废水处理中的应用_英文_李平

应用与环境生物学报　2005,11(5):600～603　　ChinJApplEnvironBiol=ISSN1006-687X　2005-10-25　IDENTIFICATIONOFANAEROBICDENITRIFYINGBACTERIUMANDITSPOTENTIALAPPLICATIONINWASTEWATERTREATMENT*LIPing,ZHENGYongliang,CHENShuli,WANGLi,WANGWei,ZOUYuping＆LIUDeli**(CollegeofLifeSciences,CentralChinaNormalUniversity,Wuhan430079,China)Abstract　AbacteriumstrainHS-03isolatedfromfarmactivesludgeinWuhanwasfoundcapableofaerobicdenitrification.Theeffectofdifferentinoculatedamountsofpre-culturewasanalyzed.Thedenitrifyingratesofthisstrainunderaerobicandmi-cro-anaerobicconditionswerecompared.Theresultindicatedthattheratewasalmostnotaffectedbythepresenceofoxygen.Morethan90%of10mmol/Lnitratewasremovedwithin36hoursbythisbacteriuminthespecificmedium.Duringdenitrif-yingprocess,nitritewasalwayskeptatverylowleve.lThedenitrificationpotentialofthisbacteriumwasevaluatedfortreatingartificialwastewaterunderfullyaerobicconditions.Morethan90%of10mmol/Lnitrateinthewastewaterwasremovedwhenitco-denitrifiedwithfungiAspergillusoryzae.Themainb