-彭继伟1,邵云海2,王军波2(1.武汉方元环境科技股份有限公司,湖北武汉 430073;2.增城环保工程公司,广东增城 511300) []-。、,CODCr95%,97%,。:,,,。 [];;;;; []X791 []A []1005-829X(2002)07-0046-03Treatmentoftextileprintinganddyeingwastewaterbyimprovedanaerobic-biologicalcontactoxidationechnologyPENGJi-wei1,SHAOYun-hai2,WANGJun-bo2(1.WuhanFangyuanEnvironmentalTechnologyCo.,Ltd.,Wuhan430073,China;2.GuangdongZengchengEnvironmentalEngineeringCompany,Zengcheng511300,China)Abstract:Textileprintinganddyeingwastewateristreatedbyimprovedhydrolyticacidification-biologicalcontactoxidationpro-cess.Somestepssuchaspre-aeration,returnsludge,gradedsedimentationandsoonhavebeentaken.TheCODCrremovalrateisabout95%,theefficiencyondecolourizationcanreach97%.TheendeffluentqualitymeetstherequirementofGrade1,DischargeStandardforwastewaterinGuangzhoucity.Therunningresultsshowthatitisofadvantageforlessresidualsludge,strongerimpactloadenduranceandhigherremovalefficiencyonrefractoryorganisms,andithasapplicabilityinthetreatmentoftextileprintinganddyeingwastewater.Keywords:hydrolysis-acidification;biologicalcontactoxidation;decolourization;activatedsludge;returnsludge;excessactivatedsludge 。,、、。、、。,“-”,70%~80%,CODCr100mg/L,。2。表2 废水水质监测结果CODCr/(mg·L-1)CODCr/%SS/(mg·L-1)SS/%//%pH756/115/64/9.8826564.95651.332507.5322017.04912.53207.245873.63136.716507.125 (1)。355,200.66,154.34。 (2)。:129.6kW,84.75kW,:84.75×24/3000=0.678kW·h,0.473/(kW·h),:0.678×0.473=0.32。:350/t,0.15%,:350×0.0015=0.525。:9,700,:(9×700)/(30×3000)=0.07。:0.05。 ,0.32+0.525+0.07+0.05=0.965/m3。[](1969— ),1991,,。:0514-7823625。[]2002-03-18—46—2002年7月第22卷第7期 IndustrialWaterTreatment Jul.,2002Vol.22No.7,。,200012。1 、、、,400m3/d,1,《》DB4437—1990“”。2 ,1。表1 水质指标及排放标准pHCODCr/(mg·L-1)/BOD5/(mg·L-1)10~131000~2200800~20006~9804030图1 废水处理工艺流程 ,,,,,pH11.5。,,,。,。,PACPAM,,NaClO。。3 3.1 调节预曝气 ,,,。,,〔1〕。,,。3.2 水解酸化 ,,。,,,,,,,〔2〕。,pH10.5,pH。3.3 分步沉淀 ,。,,。3.4 污泥回流 。:,。,,。:,,、。,,;,,。 100%,SV3035%,,,,。、,。,pH9.5,1200,CODCr1500mg/L,,,,pH7.5,150,CODCr160mg/L。 ,,,,。,。4,15min,,,。,—47—2002-07,22(7) 改良厌氧-生物接触氧化处理纺织印染废水,,,,,。3.5 氧化脱色 ,pH、CODCrSS,。,40。NaClO。4 200010,11,。20001125—12122。()pH11,1200,CODCr1733mg/L;()pH7.3,表2 运行结果记录CODCr/(mg·L-1)CODCr/(mg·L-1)CODCr/%11-25177380.695.411-29221875.096.611-30150092.093.912-01126082.093.512-02147072.095.112-0393676.091.912-04168395.094.312-05184376.095.912-07195598.795.012-09214975.896.512-10161579.395.112-11201665.396.812-12211460.997.1173379.195.435,CODCr79.1mg/L;COD95.4%,97%。5 1.26kW·h/m3,1.00/(kW·h);1,3,1000,0.42/m3;、0.22/m3;PACPAM、NaClO0.70/m3,2.60/m3。,,,300m31.00/m3,300,1.85/m3,,。6 -,、,。[][1],.[M].:,1990:277—285.[2],.-[J].,2000,20(8):8—10.[3],.--[J].,2000,20(8):33—36.[4],.--[J].,1997,19(3):15—17.[5].--[J].,1997,19(1):16—19.[](1966— ),1990,。:(027)87457433。[]2002-04-10··2002 2002200264—8。、、、、4750。。、、;;、、(EDTMPS)。,。:022-26655600;E-mail:shuifh@163.com“” 626—28“”,。140,、、。38(34)。、。,,,。(纪永亮供稿)—48—经验交流 2002-07,22(7)