边坡人工湿地水生植物塘集成技术处理水产养殖排水李怀正

/11231．2000922．8300193．200233/。COD、TN、TP896、35．2、10．9kg/hm2。。X703C1000－4602201124－0056－04CombinedProcessofSlopeConstructedWetlandandAquaticPlantPondforTreatmentofAquacultureWastewaterLIHuai-zheng1ZHANGXing-yi1CHENWei-bing2YEJian-feng31．KeyLaboratoryofYangtzeAquaticEnvironment＜MinistryofEducation＞TongjiUniversityShanghai200092China2．PetroChinaUrumqiPetrochemicalCompanyUrumqi830019China3．ShanghaiAcademyofEnvironmentalSciencesShanghai200233ChinaAbstractInordertosolvetheaquaculturepollutionprobleminWusheagriculturalparkinSongjiangdistrictofShanghaithecombinedprocessofslopeconstructedwetlandandaquaticplantpondwasproposedtotreattheaquaculturewastewater．Theactualoperationresultsofthedemonstrationprojectshowthatthecombinedprocesscaneffectivelyreduceaquaculturepollutants．Theannualreductionquan-titiesofCODTNandTPare896kg/hm235．2kg/hm2and10．9kg/hm2respectively．Theaquacul-turepollutionproblemispreliminarilysolved．Theduckweedsgrownintheaquaticplantpondcanbeusedasaquaculturefeedwhichisaccordwiththedevelopmenttrendofthemodernaquiculture．Keywordsaquaculturewastewaterconstructedwetlandaquaticplant08dz1900406、。。、。、。。·65·2724201112CHINAWATER＆WASTEWATERVol．27No．24Dec．201111.1、。4—5100m20．75～0．99—1037．5～52．5kg/100m2。100m233～73．5kg、1．125～2．25kgpH、4．5～9g。1.21。1Tab．1Averagemonthlychangeofwaterqualityinshrimppondmg·L－1CODTPTN779．9240．9622．588898．2270．9283．7559105．3860．6054．24110112．3460．6105．27711101．5730．5774．9521.3。、20%～30%。22.1。、。、、。、、、12。、3。。1。1Fig．1Flowchartoftreatmentprocess2.2100m3m。52。2Fig．2Generalengineeringlayout5．5mDN200。20m。·75·．watergasheat．com/27242.2.13。3Fig．3Profiledrawingofslopeconstructedwetland0．45m0．2213°0．321°32cm。1～2cm。5m50mmPVC5cm。0．00－1．85m－3．2m1．35m。。、、。2.2.22①11mDN200②20mDN2000．2m6mmn=100③20mDN200④20mDN150⑤2×20mDN100。①DN200DN200。2.2.3390m220m、、、、。2.2.4100m6．3m5。200g/m2200～500g/m2。。。3200961129．6～32m3/h2．48～2．56m3/m2·d0．98～1．02m3/m2·d。q=A×h+n×Q×t×C0×10A1q———kg/hm2·aA———m2h———mn———Q———m3/ht———hC0———mg/LR%qq=q×R22。2Tab．2OperationresultofaquaculturewastewatertreatmentprojectCODTNTPC0/mg·L－1102．3073．4160．569Ce/mg·L－173．8762．4800．324R/%27．7927．4143．06q/kg·hm－2·a－13201128．625．7q/kg·hm－2·a－189635．210．92COD、TN、TP896、35．2、10．9kg/hm2。·85·2724．watergasheat．com420～30/120m2200g/m2。、。、。3。3Tab．3Relatedanalysisofduckweedincrementandfishappetite/g·m－2·d－1/g·－1·d－1/m2·－131．54～106．471301．22～4．125/①。②。。。③/。。④。。COD、TN、TP896、35．2、10．9kg/hm2。1HalideHRiddPVPetersonEL．Assessingsedimentremovalcapacityofvegetatedandnon-vegetatedsettlingpondsinprawnfarmsJ．AquaculturalEng2003274295－314．2．/[e-mail]2011－05－29·95·．watergasheat．com/2724