生物净水,脱氮除磷,除藻
参考文献:
[1]HAMMERDA.ConstrUctedwetlandsforwastewatertreatineni[M].MunieiPalIndustrialandAghcultoral:LewisPublishersIne,
1989:5-20
[2]汤显强,黄岁樑.人工湿地去污机理及国内外应用现状[J].水处理技术,2007,33(2):9-13
[3]李杰,J].中国给水排水,2008,24(9):83-85钟成华,邓春光.厌氧池/人工湿地/生物塘系统处理奶牛养殖场废水[
[4]国家环境保护总局.水和废水监测分析方法(第4版)[M].北京:中国环境科学出版社,2002
[5]李杰,J].西南大学学报:自然科学版,2008(7):42-46钟成华,邓春光,等.几种土壤与工业废渣的磷吸附特性研究[
[6]王爱萍,J].四川环境,2005,24(2):76-80周琪.人工湿地污水的研究[
StudyoftheEffectofSubstrataonRemovingNitrogenand
PhosphorusinConstructedWetland
WANGXiao-xue1,LIJie2,ZHONGCheng-hua1,
LIUJie1,XIAXiao-fang1
(1.SchoolofEnvironmentandBioengineering,ChongqingTechnologyandBusinessUniversity,
Chongqing400067,China;
2.EnvironmentProtectionBureauofNananDistrict,Chongqing400060,China)
Abstract:Constructedwetlandtreatmentofwastewaterisconductedbymixedsubstratabedoffuelashpluslimestoneanditseffectiscomparedwithsimplesubstratumbedoflimestone.Theresultsshowthatfuelashisastrongmatrixforabsorbingphosphorus,thatmixedsubstratainconstructedwetlandstuffedwithfuelashandlimestonecanobviouslyenhanceefficiencyforremovingphosphoruswhilefuelashcanbeusedasalkalisupplyfornitrogenremoval,andthatthemainphosphorusremovalmechanisminconstructedwetlandissubstrataadsorption,soincreasingtheamountofmatrixbyraisingpackingdepthcansignificantlyimprovetheremovaleffectofphosphorus.Becausethemainammonianitrogenremovalmechanismisnitrification-denitrification,dissolvedoxygeninconstructedwetlandisthekeyfactortorestrictammonianitrogenremoval,althoughraisingpackingheightofthematrixcanreinforcedenitrification,theoxygensupplycannotbeincreasedtoconsolidatenitrification,thus,ithaslittleeffectonammonianitrogenremoval.
Keywords:mixedsubstrata;constructedwetland;removalofnitrogenandphosphorus
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