高效藻类塘对小城镇养殖废水净化效能的影响徐运清

432000、。4、、、。、88．3%、69．2%59．7%48．0%、43．4%22．8%。TPCODTNCODTNTPTPTNCOD。、。X703．1A0517－6611201103－01683－02StudyonEffectofEfficientAlgaePondonPurificationPerformanceofAquacultureWastewaterinSmallTownXUYun-qingetalHubeiSmallTownsDevelopmentResearchCenterXiaoganHubei432000AbstractObjectiveThestudyaimedtoexploretheeffectsofalgaeaerationandsedimentintheefficientalgaepondonthepurificationperformanceoftheaquaculturewastewaterinsmalltown．MethodInthetest4independentartificialpondsweresetupasthecontrastex-perimentandthroughcontrollingthealgaeconcn．sedimentandaerationdegreethechangeofreduciblesubstancenitrogenandphosphorusintheaquaculturewastewaterweredeterminedtocomparedtheeffectsofalgaeaerationandsedimentonthepurificationperformanceoftheaquaculturewastewater．ResultIntheefficientalgaepondtheremovalrateofnitrogenandphosphorusreached88．3%69．2%and59．7%resp．butinthegeneralpondtheirremovalratewereonlyreached48．0%43．4%and22．8%resp．Theeffectofalgaeonthere-movalrateofTPwasmostobviousthatonCODwasnextandthatonTNwasweakest．Theeffectofaerationontheremovalrateofthereduci-blesubstancewithCODasthetypewasmostthatonthedecreaseofTNwasnextandthatonTPwasweakest．TheeffectofsedimentontheremovalrateofTPwasextremelyobviousthatonTNwasnextandthatonthedecreaseofCODwasweakest．ConclusionThealgaeaera-tionandsedimentintheefficientalgaepondcouldhavethegreatereffectsonthepurificationperformanceoftheaquaculturewastewater．KeywordsAquaculturewastewaterAlgaeSedimentAerationPurificationEfficiency1960－、。2010-11-01highratealgalpondHRAPOswald20501－22－3。4①0．3～0．6m②0．15～0．45m/s③4～10d④。5。、、。11．144m2m0．6m4m36－70．5m/s。1．21、2、3、44。5cm7。0．45μm1。4。136310、152034CODCr、TN、TP8。1Table1ArtificialpondcontrastconditionssettingNo．m3Algaem/sFlowvelocitycmBottomsedimentCOD∥mg/LInitialCODTN∥mg/LInitialTNTP∥mg/LInitialTP140．5522620．325．38240525221．026．92300522020．126．92400022420．235．1822．15～20℃COD1～488．3%、66．4%、58．2%48．0%1TN69．2%、60．0%、58．4%43．4%2TP59．7%、58．5%、48．2%22．8%3。2．2、2．2．1。121COD88．3%266．4%33．0%TN215．0%TP22．0%。COD。2．2．2。23COD、TNTP23COD14．0%TN3．0%JournalofAnhuiAgri．Sci．20113931683－1684DOI:10.13989/j.cnki.0517-6611.2011.03.0601CODFig．1ComparisonofCODremovalrate2TNFig．2ComparisonofTNremovalrate3TPFig．3ComparisonofTPremovalrateTP21．0%。TPCODTN。36～102COD42．2%32．0%20。2．2．3。34COD21．0%TN35．0%TP114．0%。TP4TP22．8%348．2%TP。31、CODTNTP。2TPCODTNCOD。3TPTNCOD。4、、、。5。1OSWALDWJGOTASSHBGOLVEKECGetal．Algaeinwastetreat-mentJ．SewageIndWastes1957294437－457．2OSWALDWJ．HighratealgalpondinwastedisposalJ．DevBiotechnol19634112－119．3．D．2006．4．J．200622535－36．5．J．2001207309－3116．J．2001841－43．7．D．2004．8．M．4．2002210－254．9．PbCd－J．2008231186－188．10．J．2009303180－181．11．J．2009244218－221．12．J．200930989．13．J．2009301128－129．48612011