稻草季铵盐化及其在印染废水处理中的应用阎映弟

阎映弟,黄　凯,王丹婷,黄　丹(江南大学纺织服装学院,江苏无锡214122)　:2,3-(EPTMAC)。、NaOH,,85℃,6h,NaOH1%,EPTMACAGU10∶1;,96.98%,,。K-GN,98%,pH。:染整;废水处理;脱色;絮凝;稻草;季铵化:TS199　　　:A　　　:1000-4017(2011)16-0001-04QuaternarizationofstrawanditsapplicationindecolorizationofdyeingwastewaterYANYing-di,HUANGKai,WANGDan-ting,HUANGDan(CollegeofTextilesClothing,JiangnanUniversity,Wuxi214122,China)Abstract:Rawstrawissmashedandreactedwith2,3-epoxypropyltrimethylammoniumchloride(EPTMAC)inanaqueoussolu-tion.Theinfluenceofreactiontime,concentrationofNaOHandmolarratioofreagentsonquaternaryammoniummodificationareinvestigated.Theoptimalprocessofmodificationistemperature85℃,time6h,concentrationofNaOH1%,molarratioofthereagents(AGU/EPTMAC)1∶10.Inthiscondition,degreeofsubstitutionis96.98%andtheproducthasgoodwatersolu-bilityandexcellentflocculation.StrawquaternaryammoniumsaltcandecolorthedyesolutionofReactiveOrangeK-GNrapidlywithdecolorizationrateupto98%,andcanbeappliedinbroadpHrange.Keywords:dyeingandfinishing;wastewatertreatment;decolorization;flocculation;straw;quaternarization0　前言8t,,25%[1]。,,,。,、、,、、、[2-7]。[8],,。,[9],,。、[10-11],:2011-05-17:(No.21071318)。:(1990-),,,。。,,[2]。、,,,98%。,,。1　试验1.1　、　()　EPTMAC(2,3-,);NaOH、(,);5mol/LHCl、0.01mol/LAgNO3();K-GN(K-GN,100mg/L)K-GN:1　稻草季铵盐化及其在印染废水处理中的应用　(2011No.16)　S212(),UV-2100(UNIC),DDS-307(),pH(-),NicoletIS10(ThermoScientific)1.2　、。5.0g,(EPTMAC∶AGU,,AGU)EPTMAC,NaOH,85℃;,HCl,200mL,4,。,,32。1.3　0.2g1.2,100mL,;0.01mol/LAg-NO3Cl-,(QD)(1):QD/%=0.01×163V×m×10-30.2×5×100(1):0.01———AgNO3,mol/LV———AgNO3,mLm———,g163———,g/mol1.4　30mL100mg/LK-GN150mL,HClNaOHpH,1.2,S212。150r/min5min,50r/min10min,3h,,,K-GN462nm,1.5045。(2):/%=1-AA0×100(2):A0———A———2　结果与讨论2.1　2.1.1　反应时间对改性稻草季铵化度的影响5.0g,EPTMAC24g(EPTMAC∶AGU5∶1),NaOH6.0%,85℃,1。1　1,。,,。,,,。2.1.2　原料摩尔分数比对改性稻草季铵化度的影响2.1.1,12h,27.5%,6h(26.7%)0.8%。,5.0g,NaOH3%,6h12h,85℃,EPTMAC∶AGU,1。1　(%)/hEPTMAC∶AGU3∶15∶110∶112∶16h21.627.846.747.012h13.429.746.246.5　　1,EPTMAC∶AGU,。,,,。,,6h,EPTMAC∶AGU10∶1。2.1.3　NaOH质量分数对改性稻草季铵化度的影响5.0g,EPTMAC47g(EPTMAC∶AGU10∶1),6h,85℃,NaOH2。2,NaOH,。,,,。,2　(2011No.16)　　NaOHNaOH,EPTMAC,。,NaOH1%。2.2　2.2.1　红外光谱[5.0g,EPT-MAC47g(EPTMAC∶AGU10∶1)],NaOH1.0%,85℃,6h),,3。3　3,1636cm-1,AGU;1481cm-1,—CH3[2];2908cm-1C—H[12];1110cm-1C—O。,。2.2.2　溶解性能0.10g,,100mL,1h,。,,,4。4,,。,,,。,,,,,。4　,,,,。2.3　2.3.1　季铵盐化稻草秸秆质量对脱色效果的影响1.4,,5。5　:pH7。5,,。4mg,,。,,,[10,13]。,,,。2.3.2　pH值对脱色效果的影响pH[10]。1.4HClNaOHpH2～10,4mg,pH,6。6,,pH,。3　稻草季铵盐化及其在印染废水处理中的应用　(2011No.16)6　pH3　结论(1)EPTMAC,。,85℃,EPTMACAGU10∶1,1%NaOH6h,。,K-GN98%,pH。(2),,,。,、,。:[1]　,,[J]..,2010,3(3):1-8.[2]　YanLifeng,TaoHongyun,PrakritiRB.SynthesisandFlocculationBehaviorofCationicCellulosePreparedinaNaOH/UreaAqueousSo-lution[J].Clean,2009,37(1):39-44.[3]　.[J].,2008,23(4):24-27.[4]　XuXing,GaoBaoyu,YueQinyan,etal.Preparationandutilizationofwheatstrawbearingaminegroupsforthesorptionofacidandreac-tivedyesfromaqueoussolutions[J].JournalofHazardousMaterials,2010,18(1-3):1-9.[5]　,,.[J].:,2004,17(1):38-39.[6]　,.[J].,2008,118(9):9-10.[7]　.[D].:,2005.[8]　.[D].:.[9]　,,,.PDMCAAC[J].:,2008,39(4):658-664.[10]　GongRenmin,JinYoubin,ChenFayang,etal.Enhancedmalachitegreenremovalfromaqueoussolutionbycitricacidmodifiedricestraw[J].JournalofHazardousMaterials,2006,137(2):865-870.[11]　JiangXue,CaiKe,ZhangJing,etal.Synthesisofanovelwater-sol-ublechitosanderivativeforflocculateddecolorization[J].JournalofHazardousMaterials,2011,185(2-3):1482-1488.[12]　XuXing,GaoBaoyu,WangWenyi,etal.Adsorptionofphosphatefromaqueoussolutionsontomodifiedwheatresidue:characteristics,kineticandcolumnstudies[J].ColloidsSurf,2009,70(1):46-52.[13]　ShenJunju,RenLeilei,ZhuangYuanyi.InteractionbetweenanionicdyesandcationicflocculantP(AM-DMC)insyntheticsolutions[J].JournalofHazardousMaterials,2006,136(3):809-815.4　(2011No.16)