高浓度制药废水预处理技术试验研究钱晖

34720097ENVIRONMENTALSCIENCEANDMANAGEMENTVol.34No.7July2009:2009-02-23:(1970-),,,,1992,,。:1674-6139(2009)07-0071-04钱晖(,362800)　:以某制药厂排出的制药废水为处理对象,研究比较了混凝法﹑Fenton氧化法﹑臭氧氧化法﹑电解法和微电解法对废水的预处理效果。发现混凝法不能有效去除废水中的溶解性的有机物,微电解法和电解法对去除有机物有很好的效果,CODcr的去除率可达65%以上。Fenton氧化和微电解法对色度的去除效果较好,臭氧氧化和电解由于氧化还原反应可能生成一些新的物质,使得废水色度反而上升。除化学混凝法外,其他各种方法均能明显提高废水的B/C值,为后续的生化处理创造有利条件。:高浓度制药废水;预处理;混凝沉淀;Fenton氧化;臭氧氧化;电解;微电解:X703.1:AStudyonthePretreatmentMethodsforHighOrganicConcentrationPharmaceuticalWastewaterTreatmentQianHui(FujianMeizhouwanChlor-alkaliIndustyCo.,ltd,Quanzhou,362800,China)Abstract:Thecomparisonsofpretreatmentmethodsofchemicalcoagulation,oxidationwithFentonagent,ozoneoxidation,electrolysisandmicro-electrolysiswereexperimentalstudiedforthetreatmentofakindofpharmaceuticalwastewatercontaininghighconcentrationorganiccompounds.Experimentalresultshowedthatchemicalcoagulationwasnotsuitablefortheremoveofthesolubleorganiccompoundsinthewasterwater.Ontheotherhand,theorganiccompoundswerelargelydegradedbymeansofe-lectrolysisandmicro-electrolysistreatment,andCODcrremovalwasachievedabove65%forboththemethods.ThechromaofthewastewaterwaslargelydegradedafterthetreatmentsbybothmethodsofoxidationwithFentonagentandmicro-electrolysis.Meanwhilethechromaofthewastewaterwasobviouslyincreasedafterthetreatmentsbybothmethodsofozoneoxidationandelec-trolysis,whichwasascribedtotheformationofnewchrom-compounds.ItwasalsofoundthattheB/Cvaluewassignificantlyin-creasedbyalltestedmethodsbutchemicalcoagulation,whichisbeneficialforsequentbiologicaltreatmentprocess.Keywords:pharmaceuticalwastewater;pre-treatmentmethods;coagulation;oxidationwithFeton;ozoneoxidation;elec-trolycis;micro-electrolysis　　,、、,、、(),,,,[1]。,。,Fenton。,;Fenton,(·OH)[2];[3];,[4];,,[5]。,,。·71·34720097·Vol.34No.7July20091　1.1　,、、、。1。1　pHCOD(mg/L)BOD5(mg/L)BOD5/CODcr(mg/L)NH3-N(mg/L)(mg/L)6408.561522233790.3894817365　　1,CODcr61522mg/L,BOD523379mg/L,B/C0.38,COD、。B/C,,BOD5,,。1.2　CODcr,,B/C。CODcr,PHS-9VpH,,BOD5。1.3　:WYJ9601、HJ-1、PHS-9V、CHYF-3AO3、SX2、CODcrBOD5:、、10%Ca(OH)2、98%H2SO4、FeSO4·7H2O、H2O2、PAC、PFS、DC-491PAM。2　2.1　,CODcr。:(PAC)、(PFS)、DC-491+,(PAM)。2　CODcr(mg/L)(mg/L)(%)　　(%)BOD5/CODcrPAC61522575796.4640320500.45PFS61522573466.8640320500.43DC-491+PFS61522571097.1640256600.47　　pH7,(PAC)、(PFS)、DC-491+,1%,。30s,5min,。30min,、CODcrBOD5。。2,,B/C,CODcr10%,DC-491+。。2.2　FentonFenton,300ml10%pH3,Fe2+(400mg/L)H2O2(3%),,,PH7,30min,CODcr、BOD5,3(CODcr=61522mg/L,=640)。3　Fenton(min)CODcr(mg/L)CODcr(%)(%)BOD5/CODcr105412612640380.42305097517320500.45604801222250610.53904658925250610.53·72·34720097·Vol.34No.7July2009　　3Fenton,10min38%,1h61%;CODcr,1.5h25%。·OH,Fe2+、、,。FentonCODcr,,,H2O2Fe2+,CODcr。2.3　O3300ml,30mg/L,,,、CODcrBOD5,4(CODcr=61522mg/L,=640)。4　(min)CODcr(mg/L)CODcr(%)(%)BOD5/CODcr10571387512200.473053550131024×0.536050029192048×0.599048603212048×0.61　　4,B/C,10min0.380.47,1h0.59,。CODcr1h,CODcr19%,。2.4　50ml,,PH,,,,,30min,,CODcr、BOD5。pH,10V,0.042A/cm2,5(CODcr=61522mg/L,=640)。5　(10V,0.042A/cm2)(min)CODcr(mg/L)CODcr(%)(%)BOD5/CODcr103752839512200.433028915531600×0.506021577663200×0.579019872683200×0.62　　5,CODcr,10V、0.042A/cm21h66%。,CODcr,。,,,。,,10min,,640512,,1h,3200,。。,。,Cl-,,ClO-、O2,,[4]。2.5　300ml,10%H2SO4pH3～4,(,,1%H2SO4,。)(1:1),,10%pH8～9,30min、CODcrBOD5,6(CODcr=61522mg/L,=640)。6。10minCODcr41%,38%,。1h,CODcr21763mg/L,160,,。,H,,,Fe2+,Fe2+,、。6　(min)CODcr(mg/L)CODcr(%)(%)BOD5/CODcr103612041400380.39203014051320500.43302524959256600.52602176364160750.58902066767160750.642.6　,7。·73·34720097·Vol.34No.7July20097　(h)CODcr(mg/L)CODcr(%)(%)BOD5/CODcr/61522/640/0.38/≥57000≤10256～32050～600.43～0.47Fenton14801222250610.53150029192048×0.591.519872683200×0.621.52066767160750.64　　,CODcr,65%,FentonCODcr,CODcr。,,,Fenton。,B/C,、。3　,CODcr。Fenton,。,CODcr65%,,,。Fenton。,B/C,。:[1]严文瑶,周希圣.催化氧化法处理医药工业废水[J].工业水处理,2001(10):19-23.[2]孙晓君,冯玉杰,蔡伟民,等.废水中难降解有机物的高级氧化技术[J].化工环保,2001,21(5):264-266.[3]陆杰,徐高田,张玲,等.制药工业废水处理技术[J].工业水处理,2001(10):1-4.[4]杨柳燕,许翔,朱水元,等.复合催化电解法处理染料工业废水[J].中国环境科学,1998,18(6):557-560.[5]孙华,洪英,高廷耀,等.微电解法处理染料生产废水试验研究[J].工业用水与废水,2001,32(3):22-25.(上接第104页),。:[1]朱华平,谢刚,黄樟翰,等.巧嘴红鲌鱼苗对几种药物的敏感性实验[J].水产养殖,2003,24(2):33-35.[2]WuL,GreenRL,LiuG,etal.Partitioningandper-sistenceoftrichlorfonandchlorpyrifosinacreepingbentgrassputtinggreen[J].JEnvironQual,2002,31(3):889-95.[3]LeandriA,PompiV,RosatiM,etal.Residuesoftri-chlorfonanditsmetabolitedichlorvosinolive,oil,wastewater[J].CommunAgricApplBiolSci,2003,689(4):875-83.[4]侯云修,田东,吴淑华,等.有机磷中毒家兔脑干损伤的病理机制探讨[J].中华急诊医学杂志,2003,12(6):391-394.[5]YamadaN,TakahataJ,SasakiK,etal.Simultaneousdeterminationofdichlorvosandtrichlorfoninagriculturalprod-uctsbyGC-FPD[J].ShokuhinEiseigakuZasshi,2002,43(4):196-201.[6]黄宝美,郑妍鹏,李学谦,等.毛细管电泳法测定青菜中敌百虫的残留量[J].分析试验室,2004,23(3):1-3.[7]BritoNM,NavickieneS,PoleseL,etal.Determina-tionofpesticideresiduesincoconutwaterbyliquid-liquidex-tractionandgaschromatographywithelectron-captureplusthermionicspecificdetectionandsolid-phaseextractionandhigh-performanceliquidchromatographywithultravioletdetec-tion[J].JChromatogrA.2002,957(2):201-209.[8]绍俊杰,聂洪勇,叶永茂,等.食品分析大全[M].北京:高等教育出版社,1997:3