复合絮凝剂对印染废水的脱色研究李俊

SHANGHAITEXTILESCIENCETECHNOLOGY200911·37·11Vol.37No.11,2009李　俊,黄　玲(,710021)　:,pH、。,。:;;;:TS190.3　　　　　:B　　　　　:1001-2044(2009)11-0050-02StudyondecolorizationofdyeingwastewaterbyusingcomplexflocculantLIJun,HUANGLing(CollegeofResourceandEnvironment,ShaanxiUniversityofScienceTechnology,Xi'an710021,China)Abstract:Thedecolorationpropertyofcomplexflocculantfordyeingwastewaterisdiscussed.TheeffectofpHvalueandtheaddedvol-umeofthecomplexflocculantondecoloringefficiencyisinvestigated.Theresultshowsthatthedecolorizationbyuseofcomplexflocculantisbetterthanbyuseofflocculantsaloneormagnesiumhydroxidechitosanflocculant,andsimilartotheuseofaluminumsalts.Keywords:flocculant;wastewater;wastewatertreatment;environmentprotection、、,、,。,。,、,,、pH、、、,。[1]。,,,。,、。,,。,,,、、,“”[2]。,,,,,,,CODCr、SS[3]。,:2009-03-02:(1984-),,,。。1　1.1　:800,;722,;,;pH,。:MgSO4·7H2O,800mg/L,;CaO,;();:。1.2　,6,,3000r/min20min,,。1.3　,,[4]:=A0-A1A0×100%(1):A0—;A1—。2　2.1　pH9.40,596nm1856.10(0.2584),COD1261.67。2.2　50DOI:10.16549/j.cnki.issn.1001-2044.2009.11.022200911·37·11SHANGHAITEXTILESCIENCETECHNOLOGYVol.37No.11,2009pH10,0.03、0.05、0.07、0.09、0.012g,,1。1　1,,,,。、、,。、,,。0.09g。2.3　pH0.09g,,,CaOpH,300r/min,1min,(50r/min)、15min,30min5cm,20min,pH,2。2　pH2,pH,pH。pH=10,pH。,pH=10。2.4　、、、2.4.1　(3)3　、、、3,pH=10、=0.09g,80%,。2.4.2　COD(4)4　、、、COD4,pH=10、=0.09g,COD,90%。,、COD,、,。2.5　PAC、1t1.01.02。3　,,,[5]。,,,,,pH[6]。。-,,,。,,,,[7]。4　　(1)0.09g,pH10。(2)(下转第54页)51SHANGHAITEXTILESCIENCETECHNOLOGY200911·37·11Vol.37No.11,20092　3.3　12,8,,9,。,,,。81449,8,8,,1500。4386s。1500。800,800:=800÷1500=0.533=()-0.106=0.533-0.106=1.069800=4386×1.069=4689(s)3.4　3.2,,,。3.3,,,。,,。　　(1),。(2),,,。(3),,,,。4　　。,,,。,,,、。:[1]　,,.[J].,2002,22(12):37-40.[2]　,,.[J].,2006,(10):174-176.[3]　.[D].,2007.[4]　,.[M].:,2007.[5]　.[M].:,2005.[6]　.[M].:,2005.[7]　,,.[J].,2006,(10):26-29.[8]　,,.[J].,2007,28(7):125-128.[9]　.———[J].,2007,104(5):103-106.(上接第51页),,。-,,,。:[1]　,,.[J].,2003,23(4):14-17.[2]　,.[J].(),2002,8(4):83-85.[3]　,,,.[J].,2005,24(2):46-48.[4]　.[D].,2006.[5]　.[J].,2002,(3):10-12.[6]　,,.[J].,2002,22(4):1-4.[7]　,,.-[J].,2008,33(1):70-7354