多核无机高分子絮凝剂PMC红外结构及其性能周风山

2010200310精细化工FINECHEMICALSVol.20,No.10Oct.2003PMC周风山1,王世虎2,苏金柱3,孙　虎3,朱　平4,丁　洁1,徐怡庄1,吴瑾光1(1.,　100871;2.,　257000;3.,　745113;4.,　214063):Fe、Mg、AlZn(FMA)SiO2(PSi)(PAC),(PMC)。PMC(FT-IR),900～1100cm-1、1500～1700cm-13000～3600cm-1,PAC,,PMCPAC,PMC。PMCPAC,,。,PMC、PACPFS()。,150～250mg·L-1PMC,(COD)。:;;;:O641.4　　:A　　:1003-5214(2003)10-0615-05TheInfraredSpectraandCharacteristicsofPMC———aMulticoreInorganicPolymerFlocculantZHOUFeng-shan1,WANGShi-hu2,SUJin-zhu3,SUNHu3,ZHUPing4,DINGJie1,XUYi-zhuang1,WUJin-guang1(1.CollegeofChemistryandMolecularEngineering,PekingUniversity,Beijing100871,China;2.ResearchInstituteofProductionTechnology,ShengliOilfield,Dongying257000,Shandong,China;3.DownholeTechnologyOperationCompany,ChangqingOilfield,Qingyang745113,Gansu,China;4.SchoolofScience,SouthernYangtzeUniversity,Wuxi214063,Jiangsu,China)Abstract:Byuseofacomplexingagent(FMA)containingseveralmetalionsofferric,magnesium,aluminumandzinc,acrosslinkingagent(PSi)containingactivatedsilicicacidandpolyaluminumchlorides(PAC)asmainfeedstocks,anewinorganicpolymerflocculantnamedpoly-multicores(PMC)ofstablesiliceoustypewithmultiplecoreswassynthesizedbythemethodofenhancedreactions.FT-IRspectraoftheflocculantPMCshowthat,thecharacteristicabsorptionpeaksofPACdisappearintherangesof900-1100,1500-1700and3000-3600cm-1,andeverycharacteristicabsorptionbandoforiginalgroupsinPAChasabandshiftduetoitsstructuralaberration.Thehydroxylationamongmultiplemetalcoresresultsintheformationofsomenewchemicalbonds,indicatingthatthereshouldbenolongersinglemono-coreinorganicpolymerinPMC.Forthisreason,PMChasgreatermolecularweightandstrongerselectivechargeadsorptionthanPAC.Thenewflocculatingagentisespeciallysuitablefortreatingthewastewaterofvaryingcomponents,suchastheoilysewageofoilfieldandprintworkssewage.FornaturalwaterandprintworkssewagethecoagulationbehaviorsofPMCovermatchedthetraditionalflocculantsPAC:2003-06-02:(1964-),(),,,,、,:010-62757951(O),E-mail:[e-mail]。DOI:10.13550/j.jxhg.2003.10.011andPFS(polymerizedferricsulphate)inthespeedofcoagulation,decolorationrateandremovalrateofsuspendedsubstances(SS).Undertheconditionsofenhancedtreatmentwith150-250mg/LPMCfortheproducedwaterinoilfieldorrefinery,CODandoil-bearingrateofthepurifiedoilywatercancompletelymeetthestandardofreinjectionwaterinoilproductionprocess,orthedischargestandardofwastewaterissuedbythegovernment.Keywords:flocculant;coagulation;oilysewage;printworkssewage　　(inorganicpolymericflocculants,IPF)1960,、,(organicpolymericflocculants,OPF),。,、-,IPFOPF,、OPF,[1]。,IPF,(PSi)(Si-IPF)IPF。、、、、,[2～4]。,Si-IPF。,、PAC[3,4]。,、,PAC、、、,。PACSi-IPF[4～6],Si-IPF,。1　1.1　PAC,,B56.4%,w(Al2O3)=27.2%;AlCl3()、FeCl3()、MgCl2(),AR;H2SO4(),CP;Na2SiO3(3.2,),AR;(),CP。NicoletMagna-IR750Ⅱ,,4cm-1,650～4000cm-1,64;SHIMADZUUV-3100,200～800nm。1.2　FMA[7],、、、、HCl,95～110℃1.5h。3.0Na2SiO3H2SO4pH1.5～2.5,SiO2PSi。FMAPSi30min,M-1。M-1PAC2h,24h,PMC。PMC:1%pH=3～5,d204=1.1～1.2(liq.),MT20%(MXOY),BT40%,1%。1.3　FMA、PSi、PACPMC,,,,,。2　PMC1PACPMCFT-IR。1641cm-1PAC,PMC,1640cm-1,PMC。[8～10],IPFIR,880cm-1Fe—OH—FeAl—OH—Al,;1100cm-1Al—OH—Al,。,PMCIR,PMCPACPFC,Fe(Ⅲ)、Mg(Ⅱ);1020cm-1Al—OH、Fe—OHMg—OHOH[11,12]。·616·精细化工　FINECHEMICALS　　　　　　　　　　　　　　20　1　PACPMCFT-IRFig.1　ThederivationofFT-IRspectraofPACandPMCinenhancedreactions　　968cm-1Si—O—Al,Si-IPF。Si-IPFSi—O—Al,Al,,[13]。,968cm-1Si-IPF,IPF[14]。Si—O—Al,,。PAC,3085～3394cm-1AlOH,,OH[9,12]。PMC36183521cm-1(),PMCPAC,,PMC,,[15]。Si-IPFPAC2,105～106dalton[16],SiIPF。PMC670～1020cm-1,PMCAl—OH—AlFe—OH—Fe,Fe—OH—Fe、Al—OH—AlFe—OH—Al、Al—OH—Mg、Mg—OH—Fe,。3　PMCPSi,IPF,、IPF,[17]。,,,Si-IPFIPF,OPF[2,14,18]。,、[19],Si-IPF、、[7,20,21]。,Si-IPF,Al-FerronAlbFebSiIPF[10,22],[17,23],[23],SiAl、FeAlbFeb。3.1　、,,,1。·617·10,:PMC1　Table1　Thespeedoffloc-formingofseveralflocculantsonthenaturalwaterbodies/(mg·L-1)/sPACPFSPMC20020601520015168203022620266016,PMCPAC,PMC,PFS。3.2　,COD、SS()、,,2。2　Table2　Effectofcoagulationsofseveralflocculantsontheprintworkssewage　　　/(mg·L-1)COD/(mg·L-1)SS/(mg·L-1)pH0113037940011.0PAC57192957686.9PFS923822287695.6Al2(SO4)385785517816.5PMC4308309515.8,PMCSS,COD。3.3　,3。,PMCCOD,。3　PMCTable3　EffectofcoagulationsofseveralflocculantsontherefineryoilywastewaterPMC/(mg·L-1)0200/(mg·L-1)53.712.0COD/(mg·L-1)596178SS/(mg·L-1)858/%30.595.2pH7.97.53.4　,4。,,PMCGB8978—1996,,。4　PMCTable4　EffectofcoagulationsofseveralflocculantsontheoilproducedwaterPMC/(mg·L-1)/(mg·L-1)COD/(mg·L-1)pH02074258.72508.61147.41504.3897.92004.01147.92504.81187.802414839.01256.71148.02005.6808.02503.4877.8　　:66℃,52℃。4　PAC,PMC,。PMCPAC,,PMC,,。:[1]　.[J].,1998,18(1):1-10.[2]　.[J].,1999,15(2):1-3.[3]　,,,.[J].,2002,19(4):391-394.[4]　TangHX,LuanZK,WangDS,etal.Chemicalwaterandwastewatertreatment(V).Compositeinorganicpolymerflocculants[M].Berlin,Germany:Springer,1998.25-34.[5]　HasseD,SpriatosN.Polymericbasicaluminumsilicate-sulfate[P].US:266854,1989-11-03;EP:0372715Al,1990-06-13;CN:1042340A,1990-05-23.[6]　,,.[P].CN:1197038A,1998-10-28.(627)·618·精细化工　FINECHEMICALS　　　　　　　　　　　　　　20　2.6　SO2-4、HSO-4、F-、Cl-、NO-3、NH+4,,,,。5.0μg/L、、,±5%,():Ag+(1000),Mn2+(1000),Bi3+(1000),Co2+(250),Hg+(500),Al3+(300),Ni2+(150),S