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2010,26(6):574-578JournalofEcologyandRuralEnvironment、邹万生1,2,刘良国1,张景来2,杨品红1,尹富士3 (1., 415000;2., 100872;3., 100081):(MI)SI1()、SI2()、,、3。,72hMISI291.20%90.77%,SI1。MISI1SI2,72h290.31%84.78%,SI232.09%。[]6000lx,SI288%,MISI1;[]6000lx,SI2MI89%,SI1。MISI185%,SI2。MI、SI1、SI2、20～30℃。:;;;;;;:X703.1 :A :1673-4831(2010)06-0574-05EffectofImmobilizedAlgae-BacteriaRemovingNitrogenandPhosphorusFromAquaculturalWastewater.ZOUWan-sheng1,2,LIULiang-guo1,ZHANGJing-lai2,YANGPin-hong1,YINFu-shi3(1.CollegeofLifeSciences,HunanUni-versityofArtsandSciences,Changde415000,China;2.SchoolofEnvironmentandNaturalResources,RenminUniversityofChina,Beijing100872,China;3.PlantProtectionInstitute,theChineseAcademyofAgriculturalSciences,Beijing100081,China)Abstract:Acomparisonstudywascarriedoutoneffectsofmixing-immobilization(MI)andstratifying-immobilization(SI)ofalgaeandbacteriaremovingnitrogenandphosphorusfromaquaculturalwastewaterandinfluenceoflightintensityandtemperatureontheeffects.Stratifying-immobilizationwasdoneintwoforms,SI1andSI2.Theformerhadalgaeintheouterlayerandbacteriaintheinnerone,whereasthelatterdidreversely.Resultsshowthatundergivenconditionsfor72h,MIandSI2removed91.20%and90.77%,respectively,ofthenitrogeninthewastewater,whileSI1didonly60.4%.However,MIandSI1weremuchbetterinremovingphosphorusthanSI2,MIandSI1was90.31%and84.78%,respec-tively,inphosphorusremovalrate,whereasSI2wasonly32.09%.Whenlightintensitywassetat6000lx,thenitro-genremovalrateofSI2wasover88%,muchhigherthanthatofMIandSI1(80%);andwhenlightintensitywashighe-nough(6000lx),thenitrogenremovalratesofbothSI2orMIwereover89%,higherthanthatofSI1.Theoptimaltemperaturefornitrogenandphosphorusremovalwas20～30℃inallthethreetreatments,MI,SI1andSI2.Keywords:mixing-immobilization;stratifying-immobilization;algae-bacteriaimmobilization;aquaculturewastewater;nitrogen;phosphorus;removalrate:(30972260);()(200903028-08):2010-05-04 (algae-bacteriaimmobilization,ABI),,,。、、、,[1-6]。,。,,、。1 1.1 (Chlorellapyrenoinoid-osa),;Kuhl[7];,,,、 6 :、、。450mL,,25℃、[]6000lx、12h∶12h。10L,30min,。1.2 ,0.45μm,:COD;;-;,。3,(x±s)。:ρ(CODCr),(350.80±12.55)mg·L-1;(NTU),14.60±2.37;ρ(TN),(35.10±2.41)mg·L-1;ρ(TP),(5.50±0.35)mg·L-1。Kuhl,,、、。1.3 1.3.1 [8-9](mix-immobilization,MI):,,,5%,2%;,8,CaCl2,、,CaCl28h。(stratify-immobilization,SI):SI1SI22。SI1,()5%,5CaCl2,(),5%,CaCl2,,。CaCl28h。SI2,,,。(nomixandstratifyimmobilization,NM):,CaCl22。4(4.00±0.29)mm,。1.3.2 410.0m、0.3m、0.8m、,0.50m,MI、SI1、SI2NM,10%。NM,[]6000lx、25℃、0.1m·s-1(0～25cm)、12h∶12h,6hTNTP。3,(x±s)。1.3.3 MI、SI1、SI2NM、,[]2000、4000、6000、8000、10000、12000lx,1.3.2,72h,TNTP,1.3.2。1.3.4 MI、SI1、SI2NM、,10、15、20、25、30、35、40℃,,1.3.2,72h,TNTP,1.3.2。2 2.1 MI、SI1、SI2NM、1,72h,(MI)91.20%,90.31%;(SI1)60.42%,84.78%;(SI2)90.77%,32.09%;(NM)、1.16%0.47%。,、,、。MI、SI1、SI2、[10]。·575· 261 MI、SI1、SI2、Table1 DynamicsofNandPremovalratesofthealgae-bacteriatreatments(MI,SI1andSI2)t/h/%MISI1SI2NM/%MISI1SI2NM625.31±1.0323.41±6.2424.05±4.151.03±0.0118.14±2.5322.47±8.1511.20±0.890.44±0.011241.05±3.1232.09±2.8136.71±8.101.10±0.0130.63±5.1437.30±0.4914.27±2.310.45±0.011845.22±3.0534.29±12.4142.26±1.251.10±0.0237.26±0.5740.38±6.1520.13±4.280.45±0.022453.74±2.6337.17±6.3149.67±3.141.11±0.1043.83±1.2944.47±2.1424.18±4.200.46±0.043060.46±8.3942.45±7.4358.94±0.791.14±0.0750.06±2.1148.10±1.4326.34±1.000.46±0.023669.38±10.4548.62±5.7766.23±2.311.15±0.0155.79±1.8454.84±2.1329.10±3.840.46±0.014275.76±3.1353.46±0.1771.81±3.381.15±0.0761.18±0.5560.74±10.5921.39±1.950.47±0.014883.90±4.1355.87±4.2877.55±1.341.15±0.0869.41±3.8762.41±3.4927.03±4.050.47±0.025485.16±3.5859.09±7.6483.16±2.771.16±0.0174.59±2.1365.34±2.2630.44±8.340.47±0.016087.85±1.0959.64±5.9486.10±0.481.16±0.1080.74±5.2370.91±0.5931.15±1.970.47±0.016689.49±2.8759.73±2.5788.19±1.951.16±0.0585.28±4.0576.49±7.4831.80±6.710.47±0.017291.20±1.8260.42±1.7390.77±2.111.16±0.0290.31±4.5184.78±1.0832.09±2.890.47±0.02MI;SI1SI2(SI1,SI2);NM,。 ,MISI2SI1。,(MI)。MI,O2,,、,MIN2,CO2,,,(MI)[11-12]。(SI1),,MI,O2,O2,,,,。(SI2),,72h90.77%,MI。,MISI1,72h90.31%84.78%,SI232.09%,MISI1。,、,,,SI1MISI2。MI、SI1、SI2t-,,MISI1(P=0.0130.05);MISI2(P=0.317);SI1SI2(P=0.010)。t,MISI1(P=0.768);MI、SI1SI2(P=0.019,P=0.024)。、,MISI1SI2。NM,、、,、1.16%0.47%。2.2 MI、SI1、SI2NM、 ,。72hMI、SI1、SI2、2。2,MI、SI1、SI2、。[]2000lx72h,(MI)(SI1)41.08%32.33%,39.85%37.12%,(SI2)88.89%,28.19%。[],MI、SI1、,6000lx,72h91.41%60.28%,90.91%85.73%,SI2、[]。[]NM。·576· 6 :、2 []MI、SI1、SI2、Table2 EffectoflightintensityonNandPremovalratesofthealgae-bacteriatreatments(MI,SI1andSI2)[]/lx/%MISI1SI2NM/%MISI1SI2NM200041.08±4.1232.33±4.1688.89±9.211.16±0.5939.85±3.3137.12±9.7428.19±0.590.48±0.01400078.04±3.1446.91±5.1791.01±5.161.16±1.0561.07±1.2260.75±1.5628.46±1.300.47±0.01600091.41±1.5760.28±0.7990.70±1.081.16±0.5790.91±1.9685.73±3.0531.97±2.740.47±0.02800092.11±8.4259.69±4.3789.64±6.141.16±0.8891.49±5.5485.51±1.4232.26±1.630.48±0.111000092.81±5.4159.77±6.0188.79±4.441.16±1.1291.15±9.5785.24±1.5531.78±0.480.47±0.031200093.17±0.5960.89±3.2790.10±6.311.16±0.9792.44±3.2585.38±6.9832.43±1.110.47±0.05MI;SI1SI2(SI1,SI2);NM,。 6000lx,[],MISI1,[],2