人工湿地除磷研究进展

第27卷第3期2007年3月生态学报ACTA ECOL OG I C A SI N I C A V o.l 27,N o .3M ar .,2007

基金项目:辽宁省教育厅青年基金资助项目(2005264);国家973资助项目(2004CB418506-1)

收稿日期:2006-02-12;修订日期:2006-07-20

作者简介:李晓东(1978～),男,山西太谷县人,博士生,主要从事污水处理的生态技术.E -m ail :lxd l yl 2005@126.co m

*通信作者C orresponding au t hor .E -m ail :neu _l hb @yahoo .co

Foundation ite m :Th e p roj ect w as financiall y supported by t h e you t h foundation of L i aoning P r ovi n ce education hall (N o .2005264),N ati onal 973Prog ra m of Ch i na (No .2004CB418506-1)

Recei ved da te :2006-02-12;Accepted da te :2006-07-20

Biography :LI X i ao -Dong ,Ph.D .cand i date ,m ai n l y engaged in eco l ogica l techno l ogy for w aste w ater treat m en.t E -m ail :l xd l y l 2005@126.co m

人工湿地除磷研究进展

李晓东1,孙铁珩1,2,3,李海波2,*,王　洪2

(1.东北大学资源与土木工程学院,沈阳　110004;2.沈阳大学环境工程重点实验室,沈阳　110044;

3.中国科学院沈阳应用生态研究所,沈阳　110016)

摘要:从人工湿地除磷机理着手,综述了国内外有关湿地基质、湿地植物及微生物强化除磷的研究机理以及进展。深入研究多种基质组合对磷素的吸附与解析机理,可以从理论上推进诸多高效除磷基质的实际应用进程;植物间接净化作用及其与湿地水力停留时间的关系,是影响湿地植物选种和种植的重要依据;植物根际微环境以及植物与微生物的耦合作用可能是人工湿地除磷的主要途径之一;强调湿地的污水净化功能而忽视其生态服务功能,是湿地运行中普遍存在的认识错误。最后指出:湿地运行应采取高水力负荷、低污染负荷的方式,强调强化一级处理的重要性。

关键词:人工湿地;除磷;基质;耦合作用;生态功能

文章编号:1000-0933(2007)03-1226-07　中图分类号:X703　文献标识码:A

Current researches and prospects of phosphorus re m oval i n constructed wetl and LI X iao -Dong 1,SUN Tie -H eng 1,2,3,LI H a i -Bo 2,*,WANG H ong 2

1S chool of R es ources ＆Ci vilE ngineeri ng ,Nort heastUn i versit y ,Shenyang 110004,Ch i na

2Key l abor a t or y of Envir onm e n t Eng i neeri ng ,Sh e nyang Un i versit y ,Shenyang 110044,Ch i na

3I n stit u te of Applie d Ecol ogy ,Ch i nes e Acad e m y of S ci ence ,Sh e nyang 110016,China

Act a Eco l og i ca Sini ca ,2007,27(3):1226～1232.

Ab st ract :The pape r present ed a r evie w of c urr ent researc h pr og r ess and mec hanis m of the phosphorus r e moval i n the constr ucted wetlands ,in which t he substr ates ,pl ants and m icroor ganis m s play the r o l e of strengtheni ng phosphor us r e mova.l Over a ll liter atur e ana l yses indicate that advanced r esearch on t he m echanis m of sor ption and desor ption pr operties of the co m bi ned substr ates can i m prove the effective r e moving phosphor us of t he substrat es and ther efore ,t heo r eticall y pro m ote t he pr ogr ess of w etl and application ;The r e l ationship bet ween the indir ect re m oval potential of t he pl ants and hydraulic retention ti me is an essential basis t ha t affect the pla nt se l ecti on and its gro w t h in wetlands ;The r hizosphere m icrosurr oundi ngs of the plants and coupli ng effects bet w een m icr oor ganis m s and plants may be one of the main ways to enhance t he re m oval r ate of phosphor us i n wetlands ;M uc h pursuit is f ocused on the purification function of se wage in w etl andswhile t he ecological ser v ice f unction is so meti m es neglected ,which is incorrect understanding in the wetland perfor mance .Fina lly t he r evie w points out that t he applying m anner should be hi gh hydra u lic l oad and lo w po llution load .M ean while t he pri m ar y strengtheni ng tr eat m ent is necessar y to be e mphasized .