含硫化黑染料废水混凝脱色的试验研究姜波

3412200912ENVIRONMENTALSCIENCEANDMANAGEMENTVol.34No.12Dec.2009:2009-08-12:(1976-),,,:。:1674-6139(2009)12-0078-03姜波1,李芬2,张彦平3,王晓培2(1.,150056;2.,150040;3.,300401)　:文章针对含硫化黑染料废水的色度大、成分复杂的特点,采用混凝法对染料废水的脱色问题进行了研究。研究表明使用无机混凝剂氯化铁和硫酸铝处理含硫化黑染料废水时,铁盐的脱色效果要明显好于铝盐,当水样呈现中性或偏碱性,氯化铁的投药量为0.28g/l,染料初始浓度为250mg/l时,处理效果最佳,脱色率达到96.8%。同时还探讨了将有机混凝剂PAM与氯化铁进行复配处理含硫化黑染料废水的效果。结果表明当PAM投加量为0.12g/l,氯化铁的投加量为0.28g/l时,复合混凝剂的脱色效果最好,脱色率高达98.8%。:印染废水;硫化黑;混凝脱色:X505:AStudyonFlocculationDecolorizationofWastewaterContainingSulfurBlackDyeJiangBo1,LiFen2,ZhangYanping3,WangXiaopei2(1.EnvironmentalMonitoringCenterofHeilongjiangProvince,Harbin150056,China;2.SchoolofChemistryandEnvironmentEngineering,HarbinUniversityofScienceandTechnology,Harbin150040,China;3.SchoolofCivilEngineering,HebeiUniversityofTechnology,Tianjin300401,China)Abstract:Sulfurblackdyewastewaterhashighcolorityandcomplicatedcomposition.Aimingatthischaracteristic,floccula-tionmethodwasstudiedtodecolorizethesulfurblackdyewastewaterinthisarticle.Theexperimentalresultsshowedthatwhenin-organiccoagulantsofferricchlorideandaluminumsulfatewereused,thedecolorizingeffectofferricsaltwasbetterthanthatofa-luminumsalt.Wheninneutralorslightalkalineconditionwithferricchloridedosageof0.28g/landinitialdyeconcentrationof250mg/l,thedecolorizingeffectwasoptimal,andthecorrespondingdecolorationratereached96.8%.ThedecolorizingeffecttreatedbycompositereagentswithorganiccoagulantofPAMandferricchloridewasalsostudy.Theresultsshowedthatthecom-positecoagulantshadanoptimaldecolorizingeffectwhenPAMdosagewas0.12g/landferricchloridedosagewas0.28g/l,andthedecolorationratewas98.8%.Keywords:dyewastewater;sulfurblackdye;flocculationdecolorization,,。,。,,,,[1]。,,,,[2]。、、,,。1　1.1　,,0.05g/L～0.5g/L,COD98mg/L～230mg/L。,·78·3412200912·Vol.34No.12Dec.2009,。1.2　,:(1),,300r/min2min;(2)100r/min,15min;(3)30min,。1.3　:λmax=254nm,,。:=A0-AA0×100%:A0A、。2　2.1　,:pH、、,。2.1.1　pH值对混凝脱色效果的影响pH。1mol/LNaOHHClpH,,pH,1,2。1　pH1pH45,,。pH,,,。。,。Fe3+Fe(OH)3,Fe(OH)3,,[3]。2　pH2pH,,。,,pH8,,。pH。、,,,[4]。2.1.2　投药量对脱色效果的影响。,,,。34。3　·79·3412200912·Vol.34No.12Dec.20094　30.05g/l0.28g/l,,。0.28g/l0.4g/l,,,0.28g/l,,。4。4,,。8g/l,,,。,,,,,[5]。2.1.3　染料初始浓度对脱色效果的影响5　56。50.05g/l～0.25g/l,,。,,。0.25g/l,。6　6,,,。,。,,,,,。PAM。2.2　PAMPAM1。1PAM0g/l～0.37g/l,PAM,,。PAM0.12g/L,,,98.8%。。,、,,,,,,,“”,,“”,,[6-7]。(下转第84页)·80·3412200912·Vol.34No.12Dec.2009=5.5KW(3)=(3.75+5.5)KW=9.25KW(4)$0.65/KWhr×9.25KW×24hr/d=$144.3/d(5)$144.3/730m3=$0.20/m34　EPA,、,,,、:(1)$0.20,()[3],,,。(2)、、,、,、、、。(3)、、、。　　(4),。5　WHTS、,。,、、,,。:[1]RicardoB.Jacquex.CombiningNutrientRemovalwithProteinSynthesisusingaWaterHyacinth-FreshwaterPrawnPolycultureWastewaterTreatmentSystem.TechnicalCompletionReport,ProjectNo.12345677,June1985.NewMexicoWaterResourcesResearchInstituteincooperationwithNewMexicoStateUniversity[M].[2]DesignManualEPA1988.EPA/625/1-88/022Sep-tember[M],1988.[3]李盈庭.人工湖及水景综合式水处理系统简介[J].给水排水,2008,34(12):72-78.(上接第80页)1　PAMPAMmg/Lmg/L%10.050.281.797.520.120.281.498.830.180.282.096.940.240.282.196.150.300.282.395.160.370.282.493.83　,,,pH、。,,0.28g/l,250mg/l,。,PAM,PAM0.12g/l,0.28g/l,,98.8%。:[1]邵玉海.含硫化黑染料废水的处理方法[J].环境保护,2004,8:15-17.[2]胥维昌.染料行业废水处理现状和展望[J].染料工业,2002,39(6):35-39.[3]韩长秀,曹梦,张宝贵.絮凝法在印染废水处理中的应用进展[J].工业水处理,2006,26(9):5-8.[4]华登峰.壳聚糖、硫酸铝和聚铝对印染废水脱色处理的对比[J].青岛大学学报,2004,19(3):65-67.[5]肖瑞德.阮复昌.印染废水的混凝脱色实验研究[J].化学反应工程与工艺,2002,18(3):254-258.[6]蒋宝南.薛开泉.张萍萍.对染料废水脱色处理的研究[J].环境研究与监测,2006,19(4):10-12.[7]贺启环.张勇.方华.处理印染废水的复合混凝剂研究进展[J].工业水处理,2002,22(4):1-4.·84·