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当前位置:首页 > 商业/管理/HR > 信息化管理 > 低膦水解聚马来酸酐阻垢剂合成研究张洪利
—————————————————————————————————————————————62g,65℃,3h。,-,≥93%,CODCr≥66%。(2)PAC+DGPACDG,,,、、、、,,。[][1]RyuichiShiba,MiyukiTakahashi.ReactionofN-cyanoguannidinewithformaldehyde:preparationofnewflocculantsforanioniccolloidalparticles[J].BullChem.Soc.Jpn.,1993,66:2452-2453.[2],,.--[J].,2008,28(2):169-173.[3],,.B[J].,2008,2(3):362-365.[4],.-[J].,2006,26(3):250-254.[5]JooDJ,ShinWS,ChoiJH,etal.Decolorizationofreactivedyesusinginorganiccoagulantsandsyntheticpolymer[J].DyesandPigment,2007,73(1):59-64.[6],.DF/PAC[J].,2008,34(6):19-22.[7],.-[J].,2008,28(7):64-66.[](1968—),1997,。:0512-52251843,E-mail:zengxiaojun@cslg.edu.cn。[]2010-05-14()SynthesisoflowphosphinehydrolysispolymaleicanhydrideusedasscaleinhibitorZhangHongli(DepartmentofChemistry&ChemicalEngineering,WeinanNormalUniversity,Weinan714000,China)(,714000)[],H2O2·OH,(PHPMA)。、、、。:m()∶m()∶m()∶m()=12∶4.5∶13∶12,0.05%,3h,95℃。PHPMA4mg/L,99.61%。,。[];;[]TQ085.+412[]A[]1005-829X(2010)09-0056-04Abstract:Scaleinhibitor,lowphosphinehydrolysispolymaleicanhydride(PHPMA)hasbeensynthesized.Waterisusedassolvent,homogeneouscatalysisinitiatesH2O2andproducesfreeradical·OH.Theeffectsofrawmaterialmixtureratio,reactiontemperature,catalystdosage,reactiontimeandscaleinhibitordosageonthescaleinhibitionefficiencyarestudied.Thebestsynthesisconditionsare:m(MA)∶m(NaH2PO2·H2O)∶m(H2O2)∶m(H2O)=12∶4.5∶13∶12.Whenthedosageofcatalystis0.05%,reactiontime3h,temperature95℃,anddosageofPHPMA4mg/L,thescaleinhibitionratereaches99.61%.TheresultsshowthatthehighlyefficientscaleinhibitorPHPMAcanbesynthesizedbyhomogeneouscatalysis.Keywords:lowphosphinehydrolysispolymaleicanhydride;scaleinhibition;circulatingcoolingwater[](08YKZ004)30920109IndustrialWaterTreatmentVol.30No.9Sep.,201056——2010-09,30(9),、,。,、,〔1〕。,、、、。(EDTMP)、(DTPMP)、2--1,2,4-(PBTCA)。,,,,,,,〔2-3〕。,,,(PHPMA),〔4〕。。11.1:,;30%,AR;,;,AR。:IRprestige-21,;JJ-3,;HH-S4,;ALC,。1.2PHPMA1。H2O2·OH,,,,。1.3、、500mL、、,95℃,,,1h,3h,PHPMA。1.4,250mL100mL,,100mL,80℃10h,,。50mL250mL,50mL,10mL1mol/LNaOH5mL,,EDTACa2+〔5-6〕。(1):η=V1-V2V0-V2×100%(1):η———,%;V1———EDTA,mL;V0———EDTA,mL;V2———Ca2+EDTA,mL。22.1T=95℃,m(MA)=24.0g,m()=9.0g,t=3h,w()=0.05%,PHPMA4mg/L,PHPMA,2。2:PHPMA,9.0g,,,,m(MA)∶m()=12∶4.5,98.2%。:57——2010-09,30(9)2.2T=95℃,m(MA)=24.0g,m(H2O2)=26.0g,m()=9.0g,t=3h,w()=0.05%,PHPMA4mg/L,H2OPHPMA,3。3:,。,,。m(MA)∶m(H2O)=1∶1。2.3m(MA)=24.0g,m(H2O2)=26.0g,m(H2O2)=24.0g,m()=9.0g,t=3h,w()=0.05%,PHPMA4mg/L,PHPMA,4。4:,,MA,PHPMA;,。95℃,PHPMA,。2.4T=95℃,m(MA)=24.0g,m(H2O2)=26.0g,m(H2O)=24.0g,m()=9.0g,t=3h,PHPMA4mg/L,PHPMA,5。5:,,,,,。0.05g,PHPMA99.61%,。2.5T=95℃,m(MA)=24.0g,m()=9.0g,w()=0.05%,t=3h,PHPMA4mg/L,H2O2PHPMA,6。6,H2O226.0g,PHPMAH2O2,H2O2PHPMA。H2O2,·OH,、、,,,PHPMA〔7〕。,,,,。H2O226.0g。2.6T=95℃,m(MA)=24.0g,m(H2O2)=26.0g,m(H2O)=24.0g,m()=9.0g,w()=0.05%,PHPMA4mg/L,PHPMA,7。58——2010-09,30(9)7,,PHPMA,3h。,PHPMA,,,,3h。2.7,T=95℃,m(MA)=24.0g,m(H2O2)=26.0g,m(H2O)=24.0g,m()=9.0g,w()=0.05%,PHPMA,8。8,PHPMA,,4mg/L,,99.61%。,Ca2+Mg2+,,。Ca2+Mg2+,,。3·OH,,。PHPMA:(1),;(2),;(3)3.9%,,;(4),,;(5)〔8〕,,,。[][1].[M].:,1991:246.[2].[J].,2005,25(9):8-12.[3],,.[J].,2008,35(9):21-22.[4].[J].,1998(4):11-16.[5].GB/T10535—1997[S].:,1997.[6].[M].:,2003:136-137.[7].[M].:,1985:40-104.[8],,,.[J].,2008,28(5):63-65.[](1975—),2000,。:。:18992859284,E-mail:hongli96@126.com。[]2010-05-08():———,.CN101575130···············································,,,。,,。,,,、。()59——
本文标题:低膦水解聚马来酸酐阻垢剂合成研究张洪利
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