废碱液综合治理技术丁晓倩

94200610:JournalofXianUniversityofArts&Science(NatSciEd)Vol.9No.4Oct.2006:100825564(2006)0420091204:2006-09-20:(1982),,,.,,,(,710064):.,.:;;:X703:ACOD,,[1],[2].,.11.1,,[3].().(H2S,CO2),.,Na2CO3Na2S,NaOH,[4].(),[3].1.2.1[4].,,,,,.1.3.,1NaOH()(%)12Na2S()(%)0.55Na2CO3()(%)110NaRS()(%)00.2()(%)0.10.3COD/(mg.L-1)2000050000BOD/(mg.L-1)500015000pH13.514[5,6].2.2Na2SNaHSNaOH(NH4)2SH2SNH4OHRCOONaNaOHRSHNaSRNaOH,,,.,,.2,[7,8].2.12.1.1,,.,[9],.2.1.2,().[10]:2Na2S+2O2+H2ONa2S2O3+2NaOHNa2S2O3+2O2+2NaOH2Na2SO4+H2O4NaRS+O2+2H2O2RSSR+4NaOH,,.,.a.,.150180,,S2-99.7%,COD40%70%,,S2-SO42-,COD[11].,,2002.b.,0.6Mpa,110120,COD97.88%57.88%89.97%[10]2,,.2.1.3.,(O2/MnCl2),(H2O2/UV).,Mn2+,50,0.6m3/h,Mn2+15mg/L,90min,95.3%;CODH2O2,COD:H2O2()=3.2:1,150min,COD65.2%[12].29:92.2S2-,.[9].,CuO,,CuO.CuO:Na2S+CuO+H2O2NaOH+CuSNaRS+CuO+H2O2NaOH+CuRS+R2S2NaRS+H2ONaOH+RSHCuSCuRSCuORSHR2S2.,CuO,.,20,30min,CuO:S()=1.5:1,S2-96.78%,CODcr73.83%[5,13].XCuO,,99%,CuO[14].,CuOSO2CO2,.2.3,.[4].H2SO4,pH67,H2SNa2S.,,,H2SSO2.,,99%,pH69,,.,.2.42.4.1,,[15].30%,15,Na2S.Na2S,90%;20%,.2.4.2Na2CO3Na2SNaOH,.,80,2h,1.0,Na2CO380%.,,,[16,17].2.4.3,,.,,,[18].3,Mn2+,;,FeSO4S2-,,;394,:()FeSO4,Fe2+,,,,.[][1].[J].,2001,6(87):49-50[2],.[J].,2004,27(2):48-51[3]..[J],1997(1):30-33[4],.[J].,2004,16(2):54-57[5],.[J].,1999,19(5):294-297[6],.[J].,2002,24(6):74-77[7].[M].:,1989[8]WATERRF.ExhaustCasesStripH2OfromSourFloodWater[J].Pet.Eng.,1983(5):51-58[9],.[J].,2004,14(3):10-12[10],.[J].,2005,23(5):374-376[11].[J].,2002,22(1):1-6[12].[D].:,,2003[13],.[J].,2004,8(107):41-44[14],.[J].,2004,24(2):90-93[15],.[J].,1998,27(5):259-261[16],.[J].,2004,16(4):29-33[17],.[J].,2003,23():131-133[18].[J].,2000,10(2):41-44[]TechniquefortheIntegratedTreatmentofSpentCausticDINGXiao2qian,LIUGui2yi,ZHAOJian2qiang,LUODe2chun(ColledgeofEnvironmentalScienceandEngineering,ChanganUniversity,Xian710064,China)Abstract:Summarizesseveraldisposaltechniqueswhichhavebeingusedtheseyeasandtheirremoveeffect,application,advantagesanddisadvantages.Finally,accordingtothepeculiarityofabundantsulfide,thisarticleanalyzesandbringsforwardsomeadvisesandassumerstothetechniqueontheintegratedtreatmentofspentcaustic.Keywords:spentcaustic;sulfide;integratedtreatment49:9