二次微絮凝强化过滤效果研究

1009-6825201120-0125-022011-03-161969-415000PAM0．01mg/L2minCODMnUV2546．6%5．6%6．2%。。30min～40min。PAMX703A、、、、。11．1HACH2100PCODMnUV254UV2300/。1．21。300mm2000mmPAM。0．8mm700mm100mm7m/h0．49m3/h。22．1zeta1。PACPAM4．68NTUPACPAM。2。2PACPAMPAM0．1NTUPAC0．21NTU8．4%5．9%。PAM。PACPAM。PAM。2．2PAMPAM。。3PAMPAM0．02mg/L0．01mg/L0．1NTU。0．005mg/L0．38NTU。0．01mg/LPAM。2．3。3min～7min。4。42min～3min0．1NTU·521·372020117SHANXIARCHITECTUREVol．37No．20Jul．20111min0．22NTU。0．01mg/LPAM2min。2．4PAMCODMnUV2540．01mg/LPAMCODMnUV2545。5CODMnUV2545．6%6．2%。、。、。2．52PACPAM0．4mg/L0．01mg/L6。PACPAM20hPAC100cm。PAM20h90．8cm。PACPAMPAC。PAC。2．6PAM0．12NTU30min～40min。3。310．01mg/LPAM10minCODMnUV254。2PAM。3。1．—J．200218414-18．2．J．199915555-56．3．J．200521234-36．Researchonenhancedfiltrationeffectinsecondarymicro-flocculationXIONGYue-guoAbstractThepaperundertakestheresearchontheexperimentoftheenhancedfiltrationofthesecondarymicro-flocculationtoimprovethefil-trationeffectprovesthatthefiltrationeffectcanbedramaticallyimprovedbyadoptingthecationicpolyacrylamideflocculantasthemicro-floccu-lationagentindicatestheremovalratesfortheturbidityofeffluentCODMnUV254arerespectively6．6%5．6%and6．2%with0．01mg/LofPAMandtwo-minutemicro-flocculationprocesswhiletheincreasinglawoftheheadlossinfiltrationpoolisconsistentwiththeregularfiltrationcraftandconcludestheturbidityoftheinitialfilterwaterwasreducedobviouslycomparedwiththefilterpoolwithoutthesecondarymicro-floc-culationandthematurityperiodcanbeshortenedby30to40minute．Keywordssecondarymicro-flocculationenhancedfiltrationPAMheadlossmaturityperiodoffiltrationperiod·621·372020117