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1Tab.1WaterqualityofinfluentandanalytictechniqueCOD/mg·L-1ρ(NH3-N)/mg·L-1ρ(NO3--N)/mg·L-1ρ(TP)/mg·L-1ρ(TN)/mg·L-1pH/℃145～4187.96～38.291.78～6.612.93～8.8715.75～56.407.20～7.7624.3～30.827920.923.915.2332.807.5228.6CODpHS-25pHpH5/630%、。。、[1-2][3]。、、[4-5]。11.11。1.2++CAST1。220mm×220mm×420mm18L44。。++CAST200092++CASTCOD、NH3-N、TP、TNCAST。COD、NH3-N、TP、TN75.0%、96.9%、47.0%、31.6%CAST----TNTP。CASTX78A1000-3770(2010)06-0081-0042009-08-128632008AA06Z31008DZ2201600108142BA20070991985－E-mailwenlin_8506@yahoo.com.cn1Fig.1Flowchartofwastewatertreatmentprocess CAST !36620106TECHNOLOGYOFWATERTREATMENTVol.36No.6Jun.,201081DOI:10.16796/j.cnki.1000-3770.2010.06.020。。180mm×180mm×390mm10L44。201200kg·m-3。CAST400mm×200mm×520mm33.3L10%90%CAST30%D2530%。、、pH、、、。CAST、、、。1.3CASTCAST3MLSS3513mg·L-1MLVSS2347mg·L-1。CASTMLSS2000～3000mg·L-1SV30=18%～20%、。1.4++CAST2.5L·h-15.5h3h。CAST112d6h25min15min3h1.5h40min10min1d4。212d8h25min15min3h1.5h1h1h1.5h40min10min1d3。36d8h25min15min1h3h2h40min10min1d3。22.1CODCOD2。COD145～418mg·L-1279mg·L-1CASTCOD37～87mg·L-163mg·L-154.2%～89.1%75%。46.4%18.0%CAST42.1%。CODCODCOD20%[6]。75.5%COD。0246810121416050100150200250300350400450500 /dCOD/mg L 01020304050607080901001101202CODFig.2TheremovalofCODineachunit36682、。CODFe2+Fe(OH)2Fe(OH)3、。Fe/CuCOD。CAST[37]。CASTCODCASTCODCOD63mg·L-1B。2.2NH3-NNH3-N3。NH3-N7.96～38.29mg·L-120.92mg·L-1NH3-N0.33～1.30mg·L-10.62mg·L-194.5%～98.5%96.9%NH3-NNH3-N。NH3-NNH3-N75.5%NH3-NNH3-N。NH3-NNH3-N。pH0.32。NH3-N。pH0.14。NH3-NCASTCASTNH3-N97.4%。CASTNH3-NCAST[7]CASTCODCOD。2.34。4NH3-N2。CAST。2.4TNTN5。5TN6.4%5.1%CAST23.1%31.6%。CAST02468101214160510152025 /dNO -N/mg L 4Fig.4TheoncentrationofNO3--Nineachunit0246810121416051015202530354045 /dNH -N/mg L 90919293949596979899100 3NH3-NFig.3TheremovalofNH3-Nineachunit++CAST83。CASTC/N3.1C/N。2.5TPTP6。6TP47.0%。TP。TP17.3%pH。CASTTP26.4%CASTTP。PHB。。CASTCODTP。2CASTTP。2.6CASTCAST31TN20%。2TN10%COD。3TN50%COD2。TPTP。3。CAST。。CAST。++CASTCOD、NH3-N、TP、TN63、0.62、2.58、20.87mg·L-175.0%、96.9%、47.0%、31.6%。COD2CODCASTTNTPCASTTNTPTPTN50%。02468101214160102030405060TN/mg L /d01020304050607080 5TNFig.5TheremovalofTNineachunit0246810121416012345678910TP/mg L /d0102030405060708090 6TPFig.6TheremovalofTPineachunit9436684MIXEDCHEMICALWASTEWATERTREATMENTBYCOMBINEDPROCESSOFCOMPREHENSIVEHYDROLYSISACIDATION+CATALYZEDIRON+CASTChenWenlin,WuDeli,MaLuming（CollegeofEnvironmentalScienceandEngineering,TongjiUniversity,Shanghai200092，China）Abstract:Comprehensivehydrolysisacidation+catalyzediron+CAST(Cyclicactivatedsludgetechnology)hasbeenusedtotreatmixedchemicalwastewater,theremovalrateofCOD,NH3-N,TP,TNandtheeffectofdifferentoperationpatternsofCASThasbeendiscussed.TheresultsindicatethattheaverageremovalrateofCOD,NH3-N,TP,TNhavebeenupto75.0%,96.9%,47.0%,31.6%;Furthermore,thepatternofinlet-agitate(prepositivedentrification)-aerate-precipitate-drainispropitioustotheremovalofTPandTN.Keywords：mixedchemicalwastewater;comprehensivehydrolysisacidation;catalyzediron;CAST[1].()[M].:,1991:80-91.[2],,,.[J].,2003,23(6):721-725.[3],,./[J].,2004,20(11):55-57.[4],,,.[J].,2001,32(3):22-25.[5].:,02111901[P].2002-12-02.[6]OWENWF.[M].:,1989:113-114.[7],,.-CASS[J].,2008,28(2):23-25.。0.6MPa0.5kWh·m-31m3·d-1500090%164。。TDSTDS98%。TDS1～2mg·L-1。。10000m3·d-135004.3%。TDS。5TDS16%。DESIGNOFREVERSEOSMOSISSYSTEMINCOAL-FIREDPOWERPLANTFanXiong,ZhangWeirun(TheDevelopmentCenterofWaterTreatmentTechnology,Hangzhou310012,China)Abstract:Factorsonseawaterdesalinationincoal-firedpowerplantwereinvestigatedtodesignROseawaterdesalinationsystem.Thereweremanyadvantagesofcoal-firedpowerplantforseawaterdesalination,suchaslowinvestmentofseawaterintakingandbrinedisposalsystem,decreasedusageofSWmembraneelementsandweakeffectonecologicalenvironment.Keywords:coal-firedpowerplant;seawaterdesalination;reverseosmosis.!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!8436694