改性粉煤灰对有机废水的吸附试验研究王群1

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20093(121)现代技术陶瓷: (1966~),,,.. 1  1  1,2(1, 333001;2, 570228) :将粉煤灰改性后对印染废水进行了吸附研究,找到较好的工艺条件与吸附效果。结果表明:对于COD20~150mg/L的印染废水溶液,粉煤灰用量以40g/L为宜,pH值为4.0,脱色率在32%以上。用0.1mol/L硫酸改性粉煤灰吸附印染废水的pH为4.0,投加量为24g/L,脱色率在47%以上,吸附处理后染料废水COD为76mg/L,COD去除率为21%。:粉煤灰;改性;吸附;印染废水  ,、/,,,[1~6]。、—、——,COD2800~3200mg/L、2000,COD200mg/L,20[7]。,,。1 实验1.1 ,1。1 w/%Al2O3SiO2Fe2O3CaOMgOSO325.4060.472.921.311.160.155.8297.23  :。(Dis-perseDyes),[8]。1.2 :101-2A,;JA2003N,;SZCL-2,;HH-6,;TD5H-WS,;VIS-7220,。1.3 ,,,105℃,200,,。0.1mol/L24h,,,105℃,。,,pH。300r/min,1500r/min。1.4 (1):=((A—A0)/A)×100%;:A;A0。(2)pH:pH/pHpH。(3)COD:GB11914-89。6DOI:10.16253/j.cnki.37-1226/tq.2009.03.006现代技术陶瓷20093(121)2 结果与讨论2.1 50mL10~150mg/L,0.5g,1.0g,1.5g,2.0g,3.0g,30min。1。1 1,10mg/L,,。20-150mg/L,。,。3.0g2.0g,。20~100mgL/,2.0g,。,40g/L。2.2 2.0g50mL,100mg/L,,,,。0.750。2,20min30min,。,,,。,,,,30min。2 2.3 pH100mg/L,30min。0.750。pH2.0,4.0,6.0,8.0,10.0,12.0,40g/L。pH3。3 pH3,。pH4。,。,-OH-,-SO3-,-NH2-COO-,。pH8,pH,,。2.4 100mg/L,pH10.0,30min,20g/L。0.750。5,10,15,20,25,30℃,4。720093(121)现代技术陶瓷4   4,,,。,20℃21.6%。,。2.5 pH50mL,0.1g,30min,0.750。pH5。5 pH,pH,。pH8,pH,,。pH8,。pH4。2.6 50ml,pH(4.0),0.1g,0.3g,0.5g,0.7g,0.9g,1.2g,1.5g,30min,0.750。6。6   6,。,,,,,,,。,,。2.7 100mg/LCOD96.27mg/L,pH4.0,1.2g,50ml100mg/L30min,47.6%,COD76mg/L,COD21%。3 结论(1):0.1mol/L,-200。20~200mg/L,2.0g,32%,,。,40g/L。(2)24g/L,30min,pH4,100mg/L。47.6%。,,,pH4.0。,。8现代技术陶瓷20093(121)(3)COD76mg/L,21%。,,0.1mol/L,。1 YangMinli.Applicationofflyashintreatmentofprintinganddyeingwastewater.HebeiJournalofIndustrialSci-enceandTechnology.2007,24(1):88-902 XiangHuiqiang.Applicationofmodifiedflyashindecol-orationofwastewaterfromantibioticproduction.Industri-alWaterWastewater,2005,36(l):48-513 YuXiaocai,JiaSongjin,SunLing.Studyonchoicenesstheconditionsoftreatmentofpapermakingwastewaterbyflyashbyorthogonalexperiment.JournalofShenyangIn-stituteofChemicalTechnology,2004,18(2):150-1534 ZhuHongtao.Studyontheadsorptionofreactivebrilliantbluebymodifiedflyash.Techniquesandequipmentforenvironmentalpollutioncontrol,2005,6(3):53-555 JohnW.WR.TheSoildWasteHandbook.NewYork:WilleyIntersiencePublication,1996.156-1576 YuXiaocai,XuWei,XinZe.Studyonbrewerywastewatertreatmentwithmodifiedflyash.Environmen-talProtectionScience,2005,31(129):8-117 LiuYongsong.Treatmentofthewastewaterfromdispersedyestaffproductionbyelectrochemicalreduction-neu-tralization/flocculation-biologicaloxidation-adsorptionprocesses.Environmentalprotectionofchemicalindus-try,1995,15(5):259-2648 XianQin,ZhangJie.DevelopmentofdispersedyesinChina.DyeingFinishing,2006,10:44-48ExperimentalResearchofAdsorptionOrganicWastewaterwithModifiedCoalFlyAshWangQun1 ChengYue1 ZhengPeng1,2(1Dept.ofMaterialsScienceandEngineeringCollege,JingdezhenCeramicInstitute,Jingdezhen 333001;2EnvironmentandPlantProtectionInstitute,HainanUniversity,Sanya 570228)Abstract:Adsorptionresearchofprintinganddyeingwastewaterwasinvestigatedbymodifiedcoalflyashinthispaper,betterconditionsandadsorptioneffectshavebeenfoundout.TheresultsshowedthattheprintinganddyeingwastewatersolutionofCODis20-150mg/L,appropriatedosageofflyashis40g/L,pHis4.0,thedecolorizationrateismorethan32%;thepHofadsorptionprintinganddyeingwastewaterwith0.1mol/Lconcentrationsulfuricacidmodifiedflyashis4.0,thedosageis24g/L,thedecolorizationrateismorethan47%,afteradsorptionofdyewastewaterofCODis76mg/L,CODremovalrateis21%.Keywords:coalflyash;modified;adsorption;dyeing-printingwastewater9

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