含砷废水处理工程实践

(,410082),FeSO4As1,,,10mgPL,,,GB8978219962211(H2SO4),2000m3Pd,AsPmgL-1FPmgL-1pH10020035110,As,GB897821996212,,,3I,I,II,II,,:HRT8h;()pH1012,HRT30min,101,11;0125mmPs,HRT2h;pH81015,HRT30min,101,101;0125mmPs,HRT2h;012mmPs,HRT5h4,,:(1),,,,,,,,CaCO3(2),,1,,,5,,1320052231As015mgPLF-5mgPLpH79,SS33mgPL,GB8978219966(1)As200mgPL,pHAsF-GB897821996(2),,,(3),,,,(4)Fe(OH)3,,,(5)4,200mgPL,t0171..,1995.15(1):18.2..,[e-mail]2004-04-26(22)(4),,HRT5h,,(5),HRT=28h,25m3Ph,HRT=24h313(1)20tPm2,,;10t,,,1(2),600mm2(),,42002619,,3,20,20d,115mm,1,2,CODCr60mgPL,pHCODCrPmgL-1SSPPmgL-1PNH32NPmgL-1BOD5PmgL-1PmgL-1LASPmgL-17183741198493214214217811047156611445158115517150144011952(),214200()(0512)525715552004-07-232320052231OPTIMIZATIONOFWASTEWATERDISPOSALLINEOFAUTOMOBILECOATINGLiuQidong(23)AbstractThemainproblemsoftheformerwastewaterdisposallineofthecoatingworkshopforNo.3ChanganAutomobileFactorywereanalyzedbyresearchingitsrunstatus.Wastewaterflowandqualitywereinstable;thesamedisposalmethodmadethedisposalofthedifferentwastewatermoredifficult;theequipmentswereseriouslyeroded.Thedifferentwastewaterwasphysicallyandchemicallydisposedfirstly,andthenenteredSBRreactorandfurtherbio2chemicallytreated,aseriesofanticorrosivemeasuresweretakenduringtheequipmentsprefabricationandtheproblemswereresolvedverywellintheformerwastewaterdisposallinefortherebuiltwastewaterdisposalline.KeywordswastewaterdisposalsystemofautomobilecoatingandoptimizationTREATMENTOFSLAUGHTERHOUSEWASTEWATERWITHPROCESSOFFLOATATIONANDSBRZhangZhaohuietal(25)AbstractTheprocessoffloatationandSBRisusedtotreatslaughterhousewastewater.WhentheinfluentCODCrisintherangeof12001850mgPL,theeffluentCODCrisunder90mgPL,andallthequalityindicationsoftheeffluentcouldmeetfirst2orderofWastewaterComprehensiveDischargestandard(GB897821996).Furthermorepartofthetreatedwastewatercanbeusedagain.Keywordsslaughterhousewastewater,SBRandairfloatationPRIMARYEXPLORATIONOFCONSTRUCTIONOFMUNICIPALWASTEWATERPLANTINAREASOFLOW2TEMPERATUREZhaoLijunetal(27)AbstractThecharacteristicsoflow2temperaturemunicipalwastewaterandtheeffectonwastewatertreatmentefficiencyowingtothechangeoftemperaturewereintroduced,andtheproblemsthatshouldbenoticedinselectingwastewatertreatmentprocessinareasoflow2temperaturewerepointedouttoo.Moreover,suggestionsontheselectionofdesigningparametersandtherunning&managementofprojectwerebroughtforward.Keywordslow2temperature,municipal2wastewater,selectionofprocessanddesignparameterTREATMENTOFACIDICWASTEWATERFROMPRODUCTIONOFSEAMLESSSTEELTUBESYangWeiguo(30)AbstractAcompletewastewatertreatmentprocessissuppliedaccordingtothefactthatthereisalowerpHvalueandahigherFeOorFe2O3orFe3O4inthewastewaterfromhollowbilletpicklingprocessinaseamlesssteeltubemill.Practicalrunningshowsthatthistreatmentprocessisoutstandingandthistechniqueisadvanced,thetreatmentresultisexcellent,andthattheprocessedwatercanbeusedforproductionagain.Thistechniquehasobviouseconomic,environmentalandsocialbenefits.Keywordshollowbillet,picklingwastewaterandtreatmentENGINEERINGEXAMPLEOFTREATINGARSENIC2BEARINGWASTEWATERChenLiaoyuanetal(31)AbstractAsuccessfulengineeringcaseinwhichthearsenic2bearingwastewateristreatedisintroduced.Theprocess,technicalparameterandthespecialdesignofaeratedsystemarealsointroduced.Thisdesignovercomesthedefectsintheformerdesign.Keywordsarsenic2bearingwastewater,FeSO47H2OandaeratedsystemTECHNICALSTUDYONREMOVINGINHALEDPM2.5USINGTHERMOPHORESISINLAYERFLOWCYCLECHANNELZhouTaoetal(33)AbstractAkindofnewlayerflowcyclechannelwithtwocooledwallswasdesignedonbasicthermophoresisprinciple.ThiskindofchannelhasahighercumulativeefficiencyforremovinginhaledPM2.5thanusualchannelthroughcalculation.Inthemeantime,thehighercumulativeefficiencyforremovinginhaledPM2.5willbeobtainedbytakingintoaccountdevelopingflowanddevelopedflowofspeed&temperatureatdifferentinletgastemperatureconditions.Itisanewwaythatisworthresearchingfurther.Keywordstwocooledwalls,thermophoresis,inhaledparticlematterandcumulativeefficiencyEXPERIMENTANDAPPLICATIONOFFILTRATIONPERFORMANCEFORNEWCOMPOUNDFILTERMEDIALiHuaetal(36)AbstractTodecreasethepressuredropandincreasefiltrationefficiencyofthefiltermediainabagfilter,anewcompoundfiltermedianamedHBTwasintroduced,andtheexperimentalstudyonfiltrationperformancewascarriedout.TheresultsindicatedthatHBTfiltermediahadtheperformanceofhighefficiencyandlowresistanceinthesameoperatingconditions,Therefore,itismoresuitableforacoal2firedboiler.Keywordscompoundfiltermedia,filtrationperformance,applicationandcoal2firedboilerDEDUSTINGANDINVESTMENTBENEFITOF12500kVAFERROSILICONELECTRICFURNACELiuSheng(38)AbstractItwasintroducedthatthededustingtechnique,mainequipmentcompositionandthededustingsystemssuperiorityof12500kVA3ENVIRONMENTALENGINEERINGVol123,No11,Feb.,2005