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SynthesisofthemulticorepolymerflocculantSCPanditseffectonCODremovalrateSunFei,ZhouFengshan(SchoolofMaterialsScienceandTechnology,ChinaUniversityofGeoscience,Beijing100083,China)SCPCOD,((),100083)[]。、SCP,,SCP。SCP—、,,,SCP50%,,。[];;[]TQ314.253[]A[]1005-829X(2009)02-0059-04Abstract:Thesynthesisandindustrializationofinorganicmulticorepolymerflocculanthavebeenthenewdirectionandhotresearchareaoftheflocculationresearch.Byusingpotato-starch,poriferousmineralmaterialandpolyaluminumchlorides(PAC)asmainfeedstocks,anewmulticorepolymerflocculantnamedSCPissynthesized.Theevaluatedexperimentswiththesimulatedwastewatersampleofdiatomiteshowthat,theflocculantSCPhashighercostperformancethancommercialflocculantPAC.TechnologiesofAOT-enhancedflocculationbasedonSCPareexecutedandaimedatrubberassistantproductionwastewater,cokingwastewaterandheavyoilwastewater.TheresultshowsthatwithSCPinthewastewater,theremovalratesofCODishighthan50%currently,whichincreasesthebiochemicaldegreeoftheeffluentwaterandthusreachesthebiochemicaleffluentstandard.Keywords:multicorepolymerflocculant;advancedoxidationtechnology;enhancedflocculation,(PAC)、(PFS)(MC-IPF)(IPF)、、,60%〔1-2〕。MC-IPF,,;MC-IPF、、,,(M-IPF)〔3-4〕,,〔5-13〕。M-IPF,、、,/,〔14-15〕。、PAC-SCP,COD。SCP,,,。11.1,;(EDTA),;,;,;29220092IndustrialWaterTreatmentVol.29No.2Feb.,200959,;;,,;(),;AB;,,;(PAC),,;(PFS),,。JJ-6,;79-1,;5B-6COD,;SGZ-2,;ZR4-6,。1.2SCP,5%,25%,,60~120min5%。,10%(),12~24h。,2~4,,、A、B,60~120minPAC,、。SCP:,pH3~4,1.15~1.30g/cm3,25%~40%。SCP、,。PAC40%。、COD。1.3SCPSCP,:,5%,10min,,500NTU。SCP1。1,,SCPPAC。、、PACPFS,。2SCPCOD2.1CODCOD:、、、〔16〕。(AOT)、,H2O2、KM-nO4、KFe2O4、NaClOFenton。AOT、Fenton、O3/H2O2、Fenton/UV、O3/UV、H2O2/UVTiO2。AOTCOD,,,AOT〔17〕。、,,COD,〔18〕。COD。—。2.2COD。,M,。M、、、M(),COD,,,,,;CODM,,。,〔19〕。,,COD,,FentonM,SCP。MSS72NTU,COD7000mg/L,22009-02,29(2)1SCP/(mg·L-1)/NTUSCP()PAC()050050020018.010.03009.08.24007.06.45005.45.460FentonFenton+SCPMCOD。2,Fenton+SCPCODFenton,SS5mg/L,COD500~600mg/L。—3。—,,。,。(N--2-(MBS)/N--2-(CBS)20~40/t,FentonSCP—10/t,,。2.3COD,,、、、、、。:COD,NH3-N()。。〔20〕、、。SCP—。Fe2+0.4g/L、1.2g/L,COD。4。,SCP、、。,。2.4COD、、,。,、、69,BOD/COD0.2,,。,COD,、、COD。5COD〔21〕。,,,COD,,COD≤100mg/L,〔22〕。—SCP。,,:SCPCOD2009-02,29(2)2—M/(mg·L-1)H2O2/(mg·L-1)COD/(mg·L-1)007000010040000300380005003500200300345120040025002005005682006005762007006202008005453—/(mg·L-1)H2O2/(g·L-1)COD/%2001.520~223001.828~314001.832~345002.038~406002.046~504—H2O2/(g·L-1)COD/%PACSCP-53.7543.183.13.7546.287.03.0050.086.92.5046.686.02.5047.487.25CODCODCODCOD/%COD/(mg·L-1)、、30~40400~500()58140~160+35260++75100、、27~37250~50044250SBR、7510061!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!,。、、、,、、、、、。。():10%,70%,30%,:pH=7.3,。()———.JP2007160193.··2009-02,29(2),,COD500~900mg/L,,,。—SCP,1。1,—SCP。,,,,。3、SCP,、PAC-。SCP—、,SCPCOD50%,,。[][1],,,.PMC[J].,2003,20(10):615-618.[2].[J].,2007(8):123.[3].[J].,2007,27(6):50-52.[4].[D].:,2005.[5].:,1765804[P].2006-05-03.[6],,,.:,1843950[P].2006-10-11.[7],./:,1884117[P].2006-12-27.[8],.:,1872722[P].2006-12-06.[9].:,1597541[P].2005-03-23.[10],,.:,1830823[P].2006-09-13.[11].:,101007667[P].2007-08-01.[12],,,.:,1911827[P].2007-02-14.[13],,.-:,1462726[P].2003-12-24.[14]MpofuP.Investigationoftheeffectofpolymerstructuretypeonflocculation,rheologyanddewateringbehaviourofkaolinitedis-persions[J].MineralProcessing,2003,71(9):247-268.[15]MpofuP,Addai-MensahJ,RalstonJ.Flocculationanddewater-ingbehaviourofsmectitedispersions:effectofpolymerstructuretype[J].MineralsEngineering,2004,17(3):411-423.[16].[M].:,2000:104-114.[17].[D].:,2003.[18]Addai-MensahJ.Enhancedflocculationanddewateringofclaymin-eraldispersions[J].PowderTechnology,2007,179(1/2):73-78.[19].CBS[J].,2003(1):32-34.[20],.[J].,2002,28(7):5-7.[21],.COD[J].,2000,19(3):30-31.[22],,,.[J].,2001,21(11):17-19.[](1983—),2005(),2008。:010-82321797,E-mail:sunfei3434@163.com。:,:010-82322759。[]2008-10-22()pH—pHSCP+CPAMNa2CO3H2SO4PFS+CPAM1—SCP62
本文标题:多核高分子絮凝剂SCP的合成及其对COD的脱除孙飞
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