改性钙矿材料的制备及其除氟性能研究张爱霞

29、、1.0mg·L-12.6[1-3]。。2[4]。[5]6。。、、。11.1X-Ray1。1MgO、Al2O3、ZnOCaO98.00%73.00%P2O50.09%26.00%、、CPAS。、、、74～410μm。、、、。1.21.2.15%24h80.6mol·L-1pH3h--CPAS。1.2.20.10gCPAS75mL10mg·L-1720r·min-15min。pH、710062、、1CPAS。CPAS5%1524h、600℃1h0.6mol·L-11303hpH83hCPASpH3～1097%10hLagergrenCl-、SO42-Langmuir35℃16.54mg·g-1CPAS7.53mg·g-1。TQ424.2A1000-3770(2011)[e-mail]029-853105251(/%)Tab.1Themainelementsofthematerials(/%)MgOCPAS0.07NT0.05NT0.080.06Al2O3SiO2P2O50.0926.00CaOZnOSrO98.0073.000.07NT0.400.201.240.74NT3711201111TECHNOLOGYOFWATERTREATMENTVol.37No.11Nov.,201130DOI:10.16796/j.cnki.1000-3770.2011.11.007。1.2.35.30cm0.73cmCPAS2.80g1.26g·cm-3。10mg·L-158mL·h-1、。1.3X-RayPW2403。FI-IRAvatar360E.S.P.FT-IR。[1]。22.1CPAS1。1CPASbab3543、3487cm-1OH1634cm-1OH659cm-1OH2882cm-12982cm-1－CH525、577、991、1087cm-1PO43-[6]X-Ray。a1481cm-1b1425cm-1CO32-。。2.22.2.1、、pHCPASL16(45)1h6h。2。2RCRARBRDCABDpH。CK2K4K1K32130AK1K4K2K3115BK4K2K1K34600℃DK3K4K1K23pH8。A1B4C2D315、600℃、130、pH8。2.2.2A1B4C2D3CPAS0h85.20%1h97.77%。2、5h1h1h。2.2.3A1B4C2D31h1FT-IRFig.1FT-IRspectraofthesyntheticmaterials40003200240016008000020406080100
%cm12345678910111213141516K1K2K3K4R/%96.9489.2067.4595.8095.6496.4274.3168.7147.7891.1341.2391.1388.3163.3797.2890.021:51:51:51:51:101:101:101:101:151:151:151:151:201:201:201:2087.3583.7767.8284.7519.5370040050060070040050060070040050060070040050060082.1785.0370.0786.4216.351:251:301:101:201:301:251:201:101:101:201:251:301:201:101:301:2581.1593.3161.8387.3931.4912108686121068101210126881.4471.8686.0684.3214.20A/gmLB/℃C/gmLD2Tab.2Analysisoftheorthogonalexperiment31CPAS2。2。CPAS0.5h0.5～3h。3h。2.32.3.1pHNaOHHClpH0.10gCPAS12h。pH3。3pH。pH3H+F-HFF-CPASF-pH=275.30%pH3～1097.00%pH10OH-CPAS[7]pH=111.92%。CPASpH。2.3.20.10gCPAS4。Lagergrenln(qe-qt)=lnqe-k1tt/qe=1/k2qe2+t/qe5。qttqek1、k2。48h94.02%10h97.06%。12、24h10h。R1、R20.99Lagergren。R1R2Lagergren。2.3.3Cl-、SO42-。10mg·L-1Cl-、SO42-1000mg·L-125、50、100、250、500mg·L-1CPAS6。6Cl-、SO42-CPAS。Cl-0～500024681012-1.0-0.8-0.6-0.4-0.20.00.20.40.60.81.0ln(q-q)
h0.30.60.91.21.51.8t/q5Fig.5Adsorptionkineticsmodel2Fig.2TheinfluenceofsoakingtimeofH3PO4onremovingpercentage024681012020406080100
%h3pHFig.3TheinfluenceofpHoforiginalwateronremovingpercentage24681012020406080100
%pH4Fig.4Theinfluenceofadsorptiontimeonremovalpercentage0510152025020406080100
%h371132mg·L-192.12%～92.72%Cl-1000mg·L-188.77%。SO42-0～1000mg·L-190.02%～94.47%。Cl-、SO42-CPAS。2.3.41、2、5、10、25、50mg·L-10.10g35℃。Langmuirqe=abC/(1+bC)7。qe=16.54×0.933C/(1+0.933C)R2=0.995。CPASLangmuir16.54mg·g-1。2.425℃10mg·L-158mL·h-18。810h99.00%。、。15.25h90.34%0.97mg·L-1。34.25h44.23%5.58mg·L-183.86%1.61mg·L-17.53mg·g-1。3CPAS5%1524h600℃1h0.6mol·L-13hpH83h。CPASpH3～1010hLagergrenCl-、SO42-CPAS。CPASLangmuir35℃16.54mg·g-1。CPAS7.53mg·g-1。[1].[M].:,2002:294-300．[2]KangH,DicksonJM.Nanofiltrationmembraneperformanceonfluorideremovalfromwater[J].JournalofMembraneScience,2006,279:529-538.[3],.[J].:,2008,24(5):539-542．[4].-[J].,2003,13(5):80-81．[5],,.6[J].,2006,21(5):373-376．[6],,,.H2O2[J].:,2008,24(2):57-62．[7],,.[J].,2006,28(1):1-4．7Fig.7Staticadsorptionisothermoffluoridation051015202530024681012141618
mgg mgL05101520253035020406080100
h
F/mgL0123456 /%8Fig.8Thecolumnexperimentresultsoffluoridationremoval6Fig.6Theinfluenceofdifferentanionsonremovingpercentage0200400600800100012008084889296100
%
mgL3733STUDYONTHEEFFECTOFFACTORSONTHEDYNAMICADSORPTIONONAMMONIANITROGENINCOKINGWASTEWATERBYUSINGCATIONEXCHANGERESINZhaoFei,HuiXiaomei,GuoDongsheng(EnvironmentandResourcesInstitute,ShanxiUniversity,Taiyuan030006,China)Abstract:TheexperimentwascarriedthroughthedynamicadsorptionofresinonammonianitrogensolutionandcokingwastewaterbyusingH-103cationexchangeresin.Theresultsshowthatintheflowoptimalcondition,thesaturatedadsorptionquantityofresinadsorbingammonianitrogeninammonianitrogensolutionandcokingwastewaterare66.86mg·g-1and12.5mg·g-1respectively.Apartfromtheadsorptiononammonianitrogenincokingwastewater,resinadsorbsCOD,SSandthetotalhardnessofcalciummagnesiumionsatthesametimeandtheremovalrateis20%,27%and70%respectively.Itturnsoutthatsomeorganicmatterandfloaters,especiallyforthecalciumandmagnesiumionsinthecokingwastewater,leadtocompetitiveeffectonresin'sadsorptiononammonianitrogen.Thusthemaximumsaturationofresinisreduced.TheanalysisoncokingwastewaterwithGC-MSbeforeandafteradsorptionshowsthatthemainlyorganicmatterswhichaffectresinadsorbingammonianitrogenarephenolanditsderivatives,aniline,quinoline,indoles,naphthalene,etc.Keywords:cokingwastewater;cationexchangeresin;dynamicadsorption;GC-MS;NH4+-NCOD、SS、70%NH4+-N、SS、NH4+-N。GC-MS、、、。NH4+-N66.86mg·g-1Ca、Mg、SSNH4+-N。NH4+-NNH4+-N。[1],.[J].,2002.28(7):5-7.[2]ChungYC,SonDH,AhnDH.NitrogenandorganicsremovalfromindustrialwastewaterusingnaturalZeolitemedia[J].WaterScienceTechnology,2000,42(5/6):127-134.[3],,.[J].,2008,28(8):618-1624.[4]Ma