%0 Journal Article
%T ComparisonofDissolvedAirFlotationandSedimentationinTreatmentofTypicalNorthChinaSourceWater
%A 刘善培
%A 王启山
%A 何文杰
%A 韩宏大
%A 樊雪红
%A 耿天甲
%J 过程工程学报
%D 2007
%X ThetreatmentoftypicalnorthChinawaterbydissolvedairflotation(DAF)andsedimentationprocesswasexamined.Apilotplantwithawatertreatmentcapacityof120m3/dconstructedintheJieyuanWaterTreatmentPlant(JWTP)ofTianjin,China,wasutilizedforthecomparisonofthetwoprocesses.Theresultsshowthatduringthepilottest,DAFprocesscanremoveparticlesandorganicmatermoreefficientlythansedimentationprocess.TheremovalrateforturbiditybyDAFprocessis5.5%higherthanthatbysedimentationinnormalturbidityperiod,and40%higherinlowturbidityperiod,itis5%~10%higherforremovalsofalgae,totalorganiccarbon(TOC),trihalomethaneformationpotential(THMFP)andbacteriainallperiods.Theremovalratesforturbidity,TOC,THMFP,algaeandbacteriabyDAFprocesscanreach95%,30%,20%,94%and97%respectively.Fromtheresultsofthepilottest,itcanbeconcludedthatDAFisafeasibleclarificationprocess,especiallyforsourcewaterwithlowturbidityandhighalgalblooming.
%K dissolvedairflotation
%K sedimentation
%K turbidity
%K specificUVabsorption
%K totalorganiccarbon
%K algae
%K trihalomethane
%U http://www.jproeng.com/qikan/Cpaper/zhaiyao.asp?bsid=502