丙烯酰胺接枝木薯淀粉的合成及橡胶废水的絮凝处理

　　　　　　　　　　　　　　ENVIRONMENTALPROTECTIONOFCHEMICALINDUSTRY　　　　2010304[]2010-01-14;[]2010-01-28。[](1985—),,,,。13518034557,[e-mail]。:,13976518887,[e-mail]。[]2009(Hj2009-02)。　1,2,1,2,1,2(1.,571737;2.,570228)[],,,()。:m()∶m()1.0∶1.5、60℃、()2.4%,、74.7%,69.8%,74.9%;0.35g/L,0.1640.073,55.5%。[];;;;;[]X703　　　[]A　　　[]1006-1878(2010)04-0348-04SynthesisofAcrylamide-graftedCassavaStarchandFlocculationTreatmentofRubberProductionWastewaterZhouJuan1,2,ZhaoYanfang1,2,TaoZhongliang1,HeYingping2(1.RubberResearchInstitute,ChineseAcademyofTropicalAgriculturalSciences,DanzhouHainan571737,China;2.SchoolofMaterialsandChemicalEngineering,HainanUniversity,HaikouHainan570228,China)Abstract:Acrylamide-graftedcassavastarchwassynthesizedbyemulsionpolymerizationmethodusingacrylamideasmonomer,ammoniunpersulfateasinitiator,sodiumdodecylsulfonateasemulsifier.Theexperimentalresultsshowthat:Whenm(starch)∶m(monomer)is1.0∶1.5,thesynthesistemperatureis60℃andtheinitiatordosageis2.4g,themonomerconversionrate,graftingrateandgraftingefficiencyare74.7%,69.8%,74.9%respectively;Whenthedosageofthegraftedstarchis0.35g/L,theabsorbencyoftherubberproductionwastewatertreatedbyflocculationisdecreasedfrom0.164to0.073with55.5%ofdecolorationrate.Keywords:cassavastarch;acrylamide;grafting;flocculation;rubber;wastewatertreatment　　,,,,、[1～5]。、、、,[6]。,60Co-γ[7,8]、[9]、[10]、[10,11][12],。、,,、、、[13～17],。,,,(),StatisticalAnalysisSystem(SAS)·348·　4.,。1　实验部分1.1　():;():;、、:。:;721-:。1.2　100mL,90℃30min,,,5～10min,10g,2%(),10～20min,3h。,60℃,。,,24h,,,。1.3　(1)～(3)(C,%)、(PG,%)(GE,%)[18,19]。　　　C=m2-m0m1×100%(1)　　　PG=m3-m0m0×100%(2)　　　GE=m3-m0m2-m0×100%(3),m0、m1、m2m3、、,g。1.4　200mL,,24h,500nm。1.5　。SAS、3。,3,,。2　结果与讨论2.1　,L9(34),m()∶m()、、(,)、,1,2。1　ABCm()∶m()/℃,%11.5∶1.0400.821.0∶1.0502.431.0∶1.5604.02　ABC,%,%,%111118.47.815.6212238.623.436.2313358.443.750.4421248.725.138.5522355.546.266.5623172.450.770.6731346.856.848.9832158.965.958.6933282.178.674.62.2　3。3:A、B;BAC,,m()∶m(),;,A3B3C2,m()∶m()=1.0∶1.5,60℃,2.4%。2.3　4。4:A、B,·349·　　　　　　ENVIRONMENTALPROTECTIONOFCHEMICALINDUSTRY　　　　　　201030C;FABC,m()∶m(),,;,A3B3C3,m()∶m()=1.0∶1.5,60℃,4.0g。3　,%123A21012.52506.2653.450.0184＊38.558.962.6B21657.54828.7787.500.0113＊38.051.071.0C264.9832.493.430.225749.956.553.6　　:＊。4　,%123A22719.671359.831126.680.0009＊＊25.040.767.1B2159.73579.87480.450.0021＊＊29.945.257.7C298.6549.3240.680.0239＊41.542.448.9　　:＊,＊＊。2.4　5。5:A、B,C:BAC,,m()∶m(),;,A3B3C3,m()∶m()=1.0∶1.5,60℃,4.0g。,m()∶m()、,。,m()∶m()=1.0∶1.5、60℃、2.4g,,、74.7%,69.8%,74.9%。5　,%123A21312.65656.3277.280.0128＊34.158.560.7B21461.13730.5686.020.0115＊34.353.865.2C281.540.754.800.172548.349.855.3　　:＊。2.5　1。1:3125cm-1—OH,2895cm-1C—H,1040～1160cm-1C—O;,2950～3278cm-1,,—OH—NH2,1660cm-1CO,1250～1310cm-1C—N,。2.6　·350·　4.。2。2:0.35g/L,0.1640.073,55.5%。3　结论a),,,。SASm()∶m()=1.0∶1.5,60℃,2.4%。b),、74.7%,69.8%,74.9%。。c)0.35g/L,0.1640.073,55.5%。　　　1　,..,2003,32(4):29～312　PalS,MalD,SinghRP.Cationicstarch,aneffectivefloc-culatingagent.CarbohydrPolym,2005,29:417～4233　,,..,2009,29(3):283～2864　,,..,2007,27(6):564～5675　,.-.,2006,26(3):246～2496　,..,2003,10(2):217　,..,2003,17(4):58～648　BaoHuaying,LiuYuanxia,JiaHaishun.Astudyofirradia-tioninthetreatmentofwastewater.RadiatPhysChem,2002,63:633～6369　,,..,2004,23(3):157～15910　,,.-.,2004,20(5):89～9211　,,.SC2/H2O2.,2000,16(2):47～5012　DengShubo,YuGang,YenPengting.Productionofabioflocculantbyaspergillusparasiticusanditsapplica-tionindyeremoval.ColloidsSurfB,2005,44:179～186　13　,,.-.,1994,20(6):370～37314　,,..,2002,28(4):220～22315　,,..,2003,(1):15～1816　,..,2002,(3):60～6117　.-.,2000,(6):48～4918　,,..,2004,(3):2519　,..,1996,12(4):45(编辑　张艳霞)·351·