:1002-1124(2003)05-0003-03 淀粉改性絮凝剂的合成与应用郭 玲1,2,金志浩1(1.,710049;2.,041004) :60Coγ-,。:COD,。:-;;:TQ314.253 :ASynthesisofstarchmodifiedflocculantanditsapplicationGUOLing1,2,JINZhi-Hao1(1.Xi'anTrafficUniversity,Xi'an710049,China;2.Dept.ofChemical,ShanxiNormalUniversity,Linfen041004,China) Abstract:Inthepaper,thegraftingreactionofstarchandacrylamideby60Coγpre-irradiationwascarriedout.ThegraftedcopolymerwasidentifiedbyIRspectrum.Thegraftcopolymerhasgoodperformanceinaspectofremov-ingturbidityanddecreasingvalueofchemicaloxyedemand(COD)whenappliedasflocculantforteatingpaper-makingwastewater.Keywords:graftcopolymerofstarch-acrylamide;pre-irradiation;flocculant ,(COD),。,:,,;,,;,。,,,。,,:2003-04-09:(1973-),(),,,,。,[1]。,[2,3],,-,。60Coγ-,,COD,COD,。1 1.1 ();();(PAM,,30~50(12),[6],1T,。 [1] ..,2002,22(6):436-439.[2] BlumDJW,SpeeceRE.Determiningchemicaltoxicitytoaquaticspecies.EnvironSciTochnol,1990,24(3):284-293.[3] .(nL)[J].,2002,(12):840-844.[4] ,.,.:,1997,46-113.[5] KierLB,HallLH.MolecularConnectivityinStructureActivityAnalysis.NewYork:AcademicPress.1986,82.[6] ,,.、QSAR[J].,2000,19(3):225-229.[7] RandicM.Oncharacterizationofmolecularbranching.JAmerChemSoc.1975,97(25):6609-6615.[8] McFarlandJW.OntheParabolicRelationshipbetweenDrugPotencyandHydrophobicity.JMedChem,1973,13:1092-1096.Sum98No.5 化学工程师Chemical Engineer 200310);PE-580-B(PERKINELMER);NDJ-1();721();pHS-4(); 60Coγ,5.55×1014Bq,();SYW-831()。1.2 ,,COD810mg/L,15%。1.3 -(FSM),60Coγ10min,,1h,。,,,-(FSM)。1.4 SYM-831,6500mL,600mg/LAl2(SO4)3400mg/LCaO,200r/min1minFSM,200r/min30s,60~80r/min2min,20min,3cm,,430nm,,COD。COD。2 2.1 ,1620cm-11670cm-1-NH2C=0,850cm-1,750cm-1,570-1,1027~1155cm-1;820cm-1,750cm-1570cm-1,。2.2 0.5g,50mL1%,pH,20℃NDJ-1,。η=KMαK=1.83×10-3cm3·g-1,α=0.93[4],106。2.3 2.3.1 。1FSMAl2(SO4)3CaO。/mg/L1 1,FSM2~6mg/L,56%~60%,8~10mg/L。FSM,,,;FSM,,,,FSM,。2.3.2 FSMPAMFSM,(PAM),,。2Al2(SO4)3(600mg/L)CaO(400mg/L),FSM,PAM。/mg/L2 2,FSMPAM,FSM,,;,04 郭 玲等:淀粉改性絮凝剂的合成与应用 20035,,,。。2.3.3 FSMFSM,(,pH)。3pH,(Al2(SO4)3600mg/L;CaO400mg/L)。/mg/L3 pH3,2~6mg/L,pH=11.0,,70%~75%;pH=7.0pH=5.0,2~6mg/L,60%~65%。4 ,(Al2(SO4)3600mg/L;CaO400mg/L)/mg/L4 4,2~6mg/L,40℃,,65%~70%;20℃,60%~65%。3,4,FSM、pH,FSM。2.4 COD2.4.1 FSMPAMCOD(1)1,,FSMCODPAM,FSMPAM8.0mg/L,COD,,,COD。2.4.2 pH,、pHFSMCOD,2。1 FSM、PAM/mg/LAl2(SO4)3CaOFSMPAMCOD/mg/LCODF/%16004000.5810280.365.426004005.0810170.778.836004008.0810182.877.3460040010.0810200.175.256004000.5810300.362.966004005.0810201.87476004008.0810218.673860040010.0810257.668.22 FSMCODpH5.07.011.0/℃2040COD/mg/L183.2170.870.4173.279.6 2,pH,FSMCOD,pH11.0,COD70.4mg/L;,40℃,COD79.6mg/L。3 -,,COD,PAM。 [1] ,,,.[J].,1989,1:81-85.[2] .[J].,2001,1:13-15.[3] KJYao,YBTang.SynthesisofStarch-g-Poly(Acrylamide-co-SodiumAllysul-fonate)andItsApplicationofFlocculanttoKaolinSuspension[J].JournalofAppliedPolymerScience,1992,45:349-353.[4] ,.[J].,1996,(4):57-58.20035 郭 玲等:淀粉改性絮凝剂的合成与应用 05