草甘磷废水处理技术张焕祯

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张焕祯1,王艳茹2,任洪强2,罗 晓2,常秀云2(1.,100083;2.,050018)[]-UASB-CAAS。:COD26500~30000mg/L,Cl-5678~7892mg/L,COD150mg/L,COD99%,。[](UASB);(CAAS);;[]X703.1  []A  []1006-1878(2001)05-0274-05  、。,Cl-,(UASB)(COD),(CAAS),COD150mg/L。1 试验部分1.1 。:COD26500~30000mg/L,pH3~5,Cl-5678~7892mg/L。95m3/d。1 1.2 1。  ,,Cl-H+。,Cl-。,UASB。UASB,。UASBCAAS,CAAS、。1.3   PVC,,[]2000-07-21   ·274·                   HUAGONGHUANBAO          200121536V,20A,2.5m3。UASB,,,150m3,2。4,、。UASB,5cm。CAAS(ZL00228259.4),120m3。1.4 UASBCAAS,UASB(VSS)25.2g/L,CAAS(MLSS)12.5g/L。1.5 [1]  pHPHS-2  COD  SS  BOD5  Cl-()2 结果与讨论2.1 ,Cl-。Cl-H+,Cl-[2],,。16。1 ()/  pHCOD/(mg·L-1)ρ(Cl-)/(mg·L-1)  pHCOD/(mg·L-1)ρ(Cl-)/(mg·L-1)/%CODCl-1234564~52~34~54~53~44~52677027875287502620029680266808785704379016562740968995~65~65~65~65~65~623150216132208922579234102172038212669232222773127222113.919.517.816.018.118.656.562.170.665.557.867.8  :ρ,。  1,COD26770~29680mg/L、Cl-6562~7901mg/L、pH2~5,,pH5~6,COD13.9%~19.5%,Cl-56.5%~70.6%。2.2 [3],Cl-,。UASB,10~15d,。2。2   /h    COD/(mg·L-1)ρ(Cl-)/(mg·L-1)  COD/(mg·L-1)ρ(Cl-)/(mg·L-1)/%CODCl-1-56-1011-2021-303.53.63.13.224100229702336023180286724532721235620215191201976019645200117221864162816.116.815.415.330.229.831.530.9·275·2001215          ,:  2,COD22970~24100mg/L,Cl-2356~2867mg/L,3.1~3.6h,COD15.3%~16.8%,Cl-29.8%~31.5%。2.3 UASBUASB,,;、,UASB,。2.3.1 UASB:COD4000~5000mg/L,COD1.0kg/(m3·d)。7d,COD60%87.5%。,UASB,0.5~1.0kg/(m3·d)。25d,COD3.5kg/(m3·d),COD95%。UASB2。2 UASBO——COD;●——COD2.3.2 UASB。UASBCOD。COD85%,3~5d,1.0kg/(m3·d)。20d,COD3.5kg/(m3·d)6.2~6.7kg/(m3·d),COD4000~5000mg/L22500~24100mg/L,COD85%。UASB3。3 UASBO——COD;●——COD2.4 CAASCAAS:、、,,。UASB,CAAS,,,,BOD5/COD,;,COD;,;CAAS(CAAS)。,CAASCOD。CAAS,8~12。,,7d。,CAASCOD,3。  ,UASBCOD1765~2010mg/L,CAAS,21.8~23.2h,COD673~713mg/L;CAAS、、14.9~16.1h·276·                   HUAGONGHUANBAO          2001215,COD444~591mg/L;CAAS,COD1783~1825mg/L、12.2~18.8h,COD138~217mg/L。,CAAS,CAAS,COD。3 CAAS/dCOD/(mg·L)()COD/(mg·L)()COD/%()HRT*/h() 1~56~1011~1516~2021~301765189520101936186578989092078970955.353.054.259.262.022.521.823.221.938.61~56~1011~1516~2021~351965189120821930186552549559154244473.373.871.671.976.215.516.115.214.928.7N、P、K1~1010~2030~4040~55178318011825181921719613818087.889.192.490.112.216.718.818.5  * 。2.5 ,,,。CAAS,。、、UASBCAAS,。:Cl-H+,;UASB。,()4。4 pHCOD/(mg·L-1)/(mg·L-1)/%UASBCAAS4~56~77~87~87~96~77~87~87~97~926500~3000021630~2245019120~202151780~1930138~21721630~2245019120~202151956~2169138~21715013.5~19.515.0~17.287.1~90.687.8~92.49.7~12.56~9150992.6 (1)83.6,27.9kW,0.5/(kW·h),()·277·2001215          ,:800/,4。(2)27.9×24×0.5=334.8(/d)(10a)83.6÷(10×300)=278.7(/d)83.6÷300×0.035=97.6(/d)(800×4×12)÷300=128(/d)12/d334.8+278.7+97.6+128+12=851.1(/d)1m3851.1÷95=8.96(/m3)3 结论  (1)Cl-H+,COD26770~29680mg/L、pH2~5,,pH5~6,COD13.5%~19.5%,Cl-56.5%~70.6%。(2),COD22970~24100mg/L、Cl-2356~2867mg/L、3.1~3.6,COD15.3%~16.8%,Cl-29.8%~31.5%。(3),,-UASB-CAAS。COD26500~30000mg/L,COD150mg/L,COD99%,。[   ][1] .(3)[M].:,1989.[2] .[M].:,1998.[3]  .[M].:,1999.[4] T.Ciftci,I.Ozturk.NineYearsofFull-scaleAnaero-bic-aerobicTreatmentExperienceswithFermentationIndustryEffluents[J].WaterScienceTechnology.1995,32(12):131~139.[5] ,.——[M].:,1996.TreatmentProcessforGlyphosateWastewaterZHANGHuan-zhen1,WANGYan-ru2,RENHong-qiang2,LUOXiao2,CHANGXiu-yun2(1.DepartmentofWaterResourceandEnvironmentalEngineering,ChinaUniversityofGeology,Beijing100083,China;2.InstituteofEnvironmentalScienceandEngineering,HebeiUniversityofScienceandTechnology,HebeiShijiazhuang050018,China)Abstract:Glyphosatewastewaterpretreatedbyelectrolysishasbeentreatedbyselectivebioreactor-UASB-CAASprocess.WhentheinfluentCODis26500~30000mg/LandCl-massconcentrationis5678~7892mg/L,theeffluentCODislessthan150mg/LandtheCODremovalrateisover99%,andtheeffluentcanmeetthenationaldischargestandards.Keywords:upflowanaerobicsludgeblanket(UASB);combinedanoxic-aerobicsystem(CAAS);glyphosatewastewater;wastewatertreatment《》 :14    :(010)64211381E-mail:hghb@sun.midwest.com.cn·278·                   HUAGONGHUANBAO          2001215

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