高氟水沸石除氟的效果研究王云波

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:2007-04-12;:2007-06-13:(1976-),,,,,。1,2(1., 410076;2., 410076) :,、pH、。,,,,。:;;:TU991   :B  :1007-1504(2007)03-0129-03StudyonFluorideRemovalfromDrinkingWaterbyActivatedZeoliteWANGYun-bo1,TANWan-chun2(1.InstituteofHydraulicEngineering,ChangshaUniversityofScienceandTechnology,Chan-gshaHunan410076,China;2.InstituteofChemistryandEnvironmentengineering,ChangshaUniversityofScienceandTechnology,ChangshaHunan410076,China)Abstract:Basedontheexperimentsofbatchandagitatingreact,thispaperdiscussedtheeffectofcontact-time,pH,temperatureandusing-timeonfluorideremoval.Theresultindicatedatsuitableconditiontheadsorptioncapacityhadtheintenttobemorewithitsreuse.Itcouldbeappliedtothedistrictwithfluorideinwater.Keywords:Zeolite;fluorideremoval;adsorptioncapacity  ,。,1970[1],4628。,27、、,7000,。。,1.0mgL,,,4.0mgL,。,2.0mgL,50%,5~6mgL10a,40a[2]。1.0mgL。,,,。———,。1 1.1 DC-506()。pHS-2()。78HW-2()。SHZ-B()。1.2 、21 320079        AridEnvironmentalMonitoring       Vol.21 No.3Sep..200720~40,1.37gm3。2%,1%,1%[3]。1.3 。1.4 [4]。1.5 :,,。:,,[5]。2 2.1 200g,5.87mgL1L。,1。,2。1 2   12,,10min,,20min,,60min,,。,20min87.3%,40min95.3%,0.5~1.0h。2.2 pH9.54mgL,pH4~9。,pH。pH3。3,pH4~9,pH,,pH7~9,。pH,pH,pH,pH。3 pH2.3 3g400ml,。4.80mgL,pH7.8,13~30℃,,4。4,,,,,,20℃,。。ΔG=ΔH-TΔS。(1), ΔG:(J/mol);ΔH:·130·                      21(J/mol);TΔS:(J/mol);T:(K);ΔS:(J/K·mol)。4   ,ΔG0,,,ΔS,(1)ΔH,,,。,,。,。2.4 ,,,0.8~0.9mm2%24h,1%12h,,(34cm,40min,5.5~6.17mgL),。1%12h。。,,,,,,7,1.0mgL,,,。,(,),5。,,8,r2=0.8828,(q)(n)q=0.0135n+0.0478。5   ,,,,()。,,,,。3 、、pH、。,,20min,,20~40min;pH4~9,pH,;13~30℃,,;。,,,,。:[1] ,[J].,1989,5(6):63—66.[2] WANGXC.Fluoridecontaminationofgroundwateranditsim-pactsonhumanhealthininnerMongoliaarea[J].WaterSRT—Aqua,1999,48(4):146—153.[3] ,.[J].,1995,21(30):166—170.[4] .[M].:,1996.91—93.[5] ,.[M].:,1999.376.·131·3             

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