闭合循环水产养殖车间水处理核心单元的处理效率罗国芝

231大连水产学院学报Vol.23No.120082JOURNALOFDALIANFISHERIESUNIVERSITYFeb.2008·研究简报·:1000-9957(2008)01-0068-05罗国芝,谭洪新,朱学宝(,200090):(、、()、),,。:(TNH3-N)、NO2-N、COD44.79%、20.31%、20.10%;—TNH3-N、NO2-N39%38.1%;,TNH3-N、NO2-N42.45%24.71%;TNH3-N57.46%,、COD。140d,TNH3-N1.5mg/L、NO2-N0.8mg/L。,Fuguobscurus,50～90g,1.8,85%。:;;-;:S959　　　　:A　　、、,。,、。、、()、。,,。1　1.1　。、、、(1)。1000m3,7,35m3。Fuguobscurus,:,3000,14g;30d,65g2700,95g5100,350g2800。140d,8.5～20kg/m3。,,。25～27℃,5.5～7.2mg/L,pH,pH7.5～8.5。,10%～12%。():≥44.0,≤3.0,≤17.0,3.5～5.5,1.0,0.8～2.5,4.0,4,≥1.5,≤10.0。1.2　1.2.1　生物过滤器　、,7∶2∶1,370m2/m3。3m3,8。8,0.24m3/min,5min。,　:2007-06-05　:(2006BAD03B06);(Y1101);((2004)1-6-5)　:(1974-),,,。E-mail:[e-mail]:10.16535/j.cnki.dlhyxb.2008.01.0041bioreactor;2ozonegenerator;3foamseparator;4controlpond;5boiler;6fishpond;7primarypurify;8planthydroponicstrench;9vortexblower;10watercollectedpond;11constructedwetland;12inlet。1　-　Fig.1　Schemediagramfortheintegratingsystemofclosedcirculatingaquacultureandplanthydroponics,。2,,0.8m3。1.2.2　臭氧-泡沫分离器　-。2m,0.8m。,4～5g/h,0.17m3/min,0.35～0.40g/m3,80%。,,;,。1.2.3　蔬菜水栽培单元　。5(46m×0.9m×0.2m),200m2。100m2,850,25cm×25cm;100m2,850,25cm×25cm。,。1.3　,8:00～10:00,,,。pH、(TNH3-N)、NO2-N、COD、DO、NO3-N。1.4　pHs—3DpHpH;TNH3-N;—NO2-N;COD;YSI—;-;。2　2.1　。1:TNH3-N44.79%,NO2-N20.31%,COD20.10%。2.2　-2:,TNH3-N、NO2-N1　(x±s,n=20)　　　　　　　　　　Tab.1　Changesinwaterqualityineffluenceandaffluencefromabiofiltermg/LsamplingpositionpHTNH3-NρR/%NO2-NρR/%NO3-NρCODρR/%inlet8.0±0.450.96±0.320.64±0.267.58±2.2812.14±7.78outlet7.89±0.370.58±0.2344.790.51±0.2220.318.12±3.129.70±6.4720.10:R,R=(Ce-Ci)/Ce×100%,,Ce,Ci。Note:Risremovalrate,R=(Ce-Ci)/Ce×100%,whereCeisaverageconcentrationforinlet,andCiisaverageconcentrationforoutlet.69第1期　　　　　　　罗国芝,等:闭合循环水产养殖车间水处理核心单元的处理效率。-TNH3-N、NO2-N39%38.1%;,TNH3-N、NO2-N42.45%24.71%。,-TNH3-N,NO2-N。,pHDO。—,93.58%,56CFU/mL,COD。,、COD。COD,。2　—、　　　　　　　　Tab.2　Changeinseveralwaterqualityindexesininletandoutletofaqreactingunitmg/LsystemTNH3-NinletoutletNO2-NinletoutletpHinletoutlet/(CFU·mL-1)inletoutletCODinletoutletDOinletoutlet-ozone-foamseparator1.000.610.630.397.17.38735611106.57.2foamseparator1.060.610.850.647.27.311388961095.66.32.3　。45d,350g,25～35cm,60～75cm;15d,。,--[4],-。,TNH3-N,,。TNH3-N、NO2-NNO3-N,TNH3-N,NO3-N,NO2-N。32,,TNH3-N()。,TNH3-N。2,TNH3-N22.83%,57.46%;4,TNH3-N10.83%,18.52%;,13TNH3-N2、4,TNH3-N9.15%(16.19%)、9.40%(18.43%)。2　TNH3-N　Fig.2　TheTNH3-Nconcentrationchangesininletandoutletofthehydroponicvegetablearea70大连水产学院学报　　　　　　　　　　　　第23卷3　　　　　　Tab.3　Thewaterqualitychangesininletandoutletofhydroponicvegetableareainonecirculationmg/LsamplingpositionTNH3-NρR/%NO2-NρR/%NO3-NρR/%TNρR/%PO4-PρR/%CODρR/%N/PTN/P10.7980.7259.150.3480.352-1.0124.47323.5673.7030.99527.80010.313.7753.7390.948.768.522.746.796.598.217.4320.8040.62022.830.3510.352-0.0424.47724.1271.4330.97828.7637.153.8073.7720.919.097.1121.786.736.658.147.6330.8050.7299.400.3360.343-1.9623.94023.8470.3931.40828.8788.063.9243.7873.498.918.435.396.396.588.007.6340.7860.70110.830.3310.344-3.8123.91723.0973.4330.82027.53010.673.8633.8350.708.548.372.006.486.307.987.18:1)、、、、、CODn54、60、19、12、30、19;2)=(-)/。Note:1)SamplenumberforTNH3-N,NO2-N,NO3-N,TN,PO4-P,andCODis54,60,19,12,30,and19,respectively;2)removealrate=(concentrationofinlet-concentrationofoutlet)/concentrationofinlet.2.4　3,。NO2-N0.8mg/L、TNH3-N1.5mg/L。2.5　,,50～90g,1.8,85%。3　TNH3-N、NO2-N　　　　　　　Fig.3　FluctuationinTNH3-NandNO2-Nconcentrations,andthefeedinginaproductionsystem3　TNH3-NNO2-N,。(、、)[1],TNH3-NNO2-N。,。5min,30min。[2-4]。,;。71第1期　　　　　　　罗国芝,等:闭合循环水产养殖车间水处理核心单元的处理效率COD,,。,,,,,。:COD、,TNH3-NNO2-N,,。,。,(),。,“”、“”,、,。TNH3-N、NO2-N,,。,TNH3-NNO2-N,,。,TNH3-N、NO2-N。,,。,(),。:[1]　,,.———[J].,2000,25(10):24-25.[2]　WORTMANB,WHEATONF.Temperatureeffectsonbiodrumnitrification[J].AquacultureEngineering,1991,10:183-205.[3]　ROGERSGL,KLEMESTONSL.Ammoniaremovalinselectedaquaculturewaterreusebiofilter[J].AquacultureEngineering,1985,4:135-154.[4]　SPOTTES.SeaWaterAquariums,theCaptiveEnvironment[C].NewYork:WileyInterscience,1979:450-490.Theeffectsofseveralwater-treatmentunitsinarecirculatingaquaculturesystemLUOGuo-zhi,TANHong-xin,ZHUXue-bao(KeyLaboratoryofAquaticGeneticResourcesandAquaculturalEcosystemCertificatedbytheMinistryofAgriculture,ShanghaiFisheriesUniversity,Shanghai200090,China)　　　　　　　　　　　　　　　　　　　　　　Abstract:Thereuseofthewateriscriticalinarecirculatingaquaculture.Thereareseveraltreatmentmethodssuchasbiofilter,suspendedskimmerprotein,andhydroponicvegetableschannel.Theresultsshowedthatthere-movalratesoftotalammonia(TNH3-N),nitritenitrogen(NO2-N)byabiofilterlump-sumandchemicaloxy-gendemand(COD)were44.79%,20.31%,and20.1%,respectively.Withozone,therateswere42.45%and24.71%,respectively;theremovalrateofTNH3-N,andNO2-Nwere39%and38.1%fortheproteinskim-mer.Withoutozonethehydroponicvegetablehadthemaximalremovalrateofammonia-N,nitrite-N,nitrate-N,total-N,phosphate-PandCODof57.46%,51.72%,3.7%,10.67%,9.72%and21.78%,respective-ly.Duringtheexperimentalperiod(140days),theconcentrationofTNH3-Nintankswaskeptinlowerlevel(lessthan1.5mg/L)andtheconcentrationofNO2-