高密度澄清生化处理混凝工艺处理印染废水黄继华

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//黄继华1, 季必燕1, 王祥土2, 王丕辛1, 方永辉1(1.上海富大同诺环境科技有限公司,上海200082;2.党湾污水处理有限公司,浙江杭州311221)   : 采用高密度澄清/生化处理/混凝工艺处理印染废水,对SS、COD、色度均有较好的处理效果,出水水质达到《纺织染整工业水污染物排放标准》(GB4287—1992)的二级标准。  : 印染废水; 高密度澄清池; 生化处理; 混凝:X703.1  :C  :1000-4602(2010)14-0102-04HighDensityClarification/BiochemicalTreatment/CoagulationProcessforTreatmentofPrintingandDyeingWastewaterHUANGJi-hua1, JIBi-yan1, WANGXiang-tu2, WANGPi-xin1, FANGYong-hui1(1.ShanghaiFudaTongnuoEnvironmentalTechnologyCo.Ltd.,Shanghai200082,China;2.DangwanWastewaterTreatmentCo.Ltd.,Hangzhou311221,China)  Abstract: Thecombinedprocessofhighdensityclarification,biochemicaltreatmentandcoagula-tionisusedfortreatmentofprintinganddyeingwastewater.Thecombinedprocesshasexcellenttreat-mentefficienciesofSS,CODandcolor.TheeffluentqualitycanmeetthesecondgradecriteriaspecifiedintheDischargeStandardofWaterPollutantsforDyeingandFinishingofTextileIndustry(GB4287-92).  Keywords: printinganddyeingwastewater; highdensityclarifier; biochemicaltreatment; coagulation  、,、、、、、。,//,《》(GB4287—1992)。1 工程改造背景,6×104m3/d。1999,4×104m3/d,。,。20036×104m3/d,7×104m3/d,《》(GB4287—1992)。1。1 Tab.1 Dyeingwastewaterquality  COD/(mg·L-1)1000~1400BOD5/(mg·L-1)350~500SS/(mg·L-1)200pH10~12NH3-N/(mg·L-1)0~5.5/60~120  1。2。·102·第26卷 第14期2010年7月            中国给水排水CHINAWATERWASTEWATER             Vol.26No.14Jul.20101 Fig.1 Flowchartofwastewatertreatmentplantbeforereconstruction2 Tab.2 Mainparametersofstructuresofwastewatertreatmentplant /m3/m251m×39m×8m,1150006.0h43m×51m×7m,23000012.0h12m×51m×4.2m,250002.0h55.0m×55.0m×7.0m,24250017h42m×4.4m,260002.4h25001.0m3/(m2·h)20.0m×7.0m×4.8m,260014.4min36m×4.8m,220001.25m3/(m2·h)24m×4.0m,1180018h4502.22kg/(m2·h)2 改造工艺的提出,,:① ,,COD。② ,(BOD5COD),。,、,。,。、。,,,、、,,。,。,:。,,(、、、),。,、,8m,:、。(),。:① ,。② ,。③ 。④ 。⑤ ,。⑥ ,10mg/L。⑦ ,。·103·黄继华,等:高密度澄清/生化处理/混凝工艺处理印染废水第26卷 第14期,6h4h,。2。2 Fig.2 Flowchartofwastewatertreatmentplantafterreconstruction  :2500m3/h,HRT4.0h,16.8min,G=30~69s-1,8~17r/min,6.25m3/(m2·h),72min,200m3/h,200m3/h。3 改造系统的调试和运行200498,(),pH,、、COD。SS20mg/L。、。COD,、COD。200498—1023。3 、Tab.3 Actualinfluentandeffluentqualityofwastewatertreatmentplantafterreconstruction COD/(mg·L-1)/%981015.27715.43202.993072991077.09756.45196.0930749101173.77775.42213.3234729111113.79736.28201.4734739121106.25709.31187.9336749131039.15734.47205.6729723(Continued) COD/(mg·L-1)/%9141015.98683.53197.0333719151059.93723.19218.2532709161351.55871.14230.2436749171205.16859.55189.5329789181280.67870.45202.0332779191148.92758.10186.3234759201142.20766.07197.7333749211227.28873.90209.8329769221211.38831.43190.2031779231183.84816.47181.3931789241116.33730.07178.6435769251126.45784.25172.5130789261217.14810.74171.0133799271115.59753.33173.5232779281125.51773.70170.6731789291224.18820.56165.0933809301252.69846.34161.9632811011163.64785.45156.9033801021198.38828.59156.523181  3:① COD30%~35%,COD70%~80%。② ,COD。③ ,(下转第108页)·104·第26卷 第14期              中国给水排水             效益分析5.1 70%~80%,,200m3/d,(7)4.2×104m3;4×104m2,1m/a,4×104m3,。,,(7)0.3,10.08/a,。,,。30,12。5.2 [4],[5],。,、、,、。5.3 ,,、,,。6 结论与建议① ,,、,。② ,;、,,(),,,。:[1] ,,.[J].,2008,24(4):89-94.[2] ,.[M].:,2006.[3] ZhangJian,HuangXia,LiuChao-xiang,etal.Nitrogenremovalenhancedbyintermittentoperationinasubsur-facewastewaterinfiltrationsystem[J].EcolEng,2005,25(4):419-428.[4] CritesRW,MiddlebrooksEJ,ReedSC,etal.NaturalWastewaterTreatmentSystems[M].NewYork:McGraw-Hill,2005.[5] USEPA.OnsiteWastewaterTreatmentSystemsManual[R].Washington:U.S.EnvironmentalProtectionAgen-cy,2002.:(024)62266539E-mail:wx1979@126.com:2009-12-15(上接第104页),6×104m3/d,COD180mg/L。,。4 结语//,、COD、,《》(GB4287—1992),。,。:[1] .[M].:,2008.E-mail:yhfang@shtnet.com:2010-04-09·108·第26卷 第14期              中国给水排水            

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