--●。、、。[1]。[2]。,,。11.1,1,[3]。11.2、4001、CHN82801、、。1.3、pH,,。1000mL,(300r/min),300r/min1min,100r/min5min,30r/min10min,,20min,。1.4、pH、BOD。22.1,3,,。1~3。:2009-04-15:(1978-),,,,,。(,432100):、,,,,;,,,,,。:;;:TU991.2:A:1008-9500(2009)08-0029-03OptimizationofCoagulantsinTheTreatmentofLowTemperatureandTurbidityWaterZhaoHaihua(UrbanConstructionInstituteofXiaoganCollege,Xiaogan432100,China)Abstract:Throughthebeakerexperimentation,comparedwiththeeffectsofFeCl3·6H2O,Al2(SO4)3H2O,FeSO4·7H2Oondealingwithlowtemperatureandlowturbidity,theresultsshowthattheFeCl3·6H2Oremovesthecolloidmosteffectively,followedbyAl2(SO4)·3H2O,thethirdisFeSO4·7H2O.onthebasis,throughplungingintosilicate-activatedexperiment,itfindsthatAl2(SO4)·3H2Oisthebestflocculantondisposeingoflowtemperatureandlowturbidity,whereas,theeffectsoftheFeCl3·6H2Oisnotdistinctness,therefore,itisnotfittobeflocculant.Keywords:watertreatment;coagulant;optimizationChinaResourcesComprehensiveUtilizationVol.26,No.82008812316.617.218.717.5pH7.4737.5867.5487.536(mg·L-1)3.943.844.063.956.46.36.46.429--●(mg/L)118.7NTU(mg/L)217.2NTU(mg/L)316.6NTU13,,、、,,,,,。,,,。pH,pH5~10,pH6~8,Al(OH)3Fe(OH)3,,,。Al(OH)3,pH[4];Fe(OH)3,,,pH[5]。,。2.213,,,,33,,70%,,。,,;,,,、。,,,Al(OH)3,,,;,,,pH。,———Fe(OH)3,。,,,,,,,,。,,。2.3,、pH、、,,,,,,,。[6],。:(1),;(2),2.25mg/L,n()∶n()=20∶1,70%,。,,,,。;,,,,,。4,,,;,。(%)100806040200101520253035404550556065(%)806040200101520253035404550556065(%)100806040200101520253035404550556065830--●,,,,45mg/L。,。(mg/L)43(1),。,,,。(2)pH5~10,pH6~8。(3);,。1.[J].,2003(4):49-50.2,,.[J].,2004,32(11):14-16.3CJ/T206—2005,[S].4.[J].,1998,14(3):42-43.5.[M].:,1992:48-49.6.[J].,2002,22(10):29-31.(/)(%)100806040200101520253035404550556065:8,,([2009]286)(《》),。《》,(“”),《》,。,。(24230)(24135),。(28136)20091231。《》,,。10(),()。,《》。()(),。,。。、,,。《》,《》([2007]38)、《》([2005]214)。()31