硫化氢吸收净化技术研究进展

X1221(1.,100084;2.,650093),,,,,AdvancesofthestudyonabsorptiontechnologyofhydrogensulfideZhangJiazhong1YiHonghong2NingPing2HaoJiming1(1.DepartmentofEnvironmentalScienceandEngineering,TsinghuaUniversity,Beijing100084;2.FacultyofEnvironmentalScienceandEngineering,KunmingUniversityofScienceandTechnology,Kunming650093)AbstractAllkindsofmethodsremovinghydrogensulfidebyabsorptionwerereviewedinthispaper.Thepurifyingmethodsweredividedintothedryprocessandthewetprocess.Thedesulfurizingagentofmostofthedryprocesscouldnotberegenerated,anditscapacityofsulfurwaslowerrelatively,soitwassuitablefordesulfationofprecision.Theabsorptionprocesswassuitablefortherequestofthehighdesulfurizationload,whichwasusedwidely.Themethodofabsorptionandoxidationwasbestincomparisonwiththeab2sorptionprocesses.Accordingthemethodsofabsorptionandoxidation,thoughtheiron2basedtechnologyhassomedifficultiesincontroloftechnology,itisstillamethodwithbrightprospects.Keywordshydrogensulfide;absorption;technology;purification1,,,:0.01mg/m3;10mg/m3;20mg/m3;1020mg/m32,,[1],,,,,;,,,;2.1,,,,,,X(No.20010034);36Vol.3,No.620026TechniquesandEquipmentforEnvironmentalPollutionControlJun.,20022.1.1[2],(MEA)(DEA)(DIPA)(MDEA)(TEA)(MEA),:,,,;:,(COS),,MEACOS(CS2)COS,DEADEA,,MEA,DEA,0.5%,CO2COS,(DIPA)30%40%,DIPA,-CO2,CO2CO2CO22.1.2,,[3],Rectisol(),1951(Fousor)1954,(Sasol)(-58),,,CO2mg/m3(),502080,,1960,Fluor2070,NortonSelexolCO2,,,,,CO2N2:,,,,:,,,,:(1)();(2)2.1.3-,,Shell2060,DIPA,,[4],,COS,,2.2,,,,,222,2.2.1[1,5]Na2CO3,Fe(OH)3,::2Fe(OH)3+3H2SFe2S3+6H2O(1):2Fe2S3+6H2O+3O24Fe(OH)3+6S(2):Na2CO33%5%,Fe(OH)30.5%,98%,,8432.2.2(Thylox),,2050Koppers[6],K2CO3Na2CO3As2O3,,Na4As2S5O2[3]:Na4As2S5O2+H2SNa4As2S6O+H2O(3)Na4As2S6O+H2SNa4As2S7+H2O(4)2Na4As2S7+O22Na4As2S6O+2S(5)2Na4As2S6O+O22Na4As2S5O2+2S(6),5mg/m3(),,,,2.2.3(G-V)[1,4],,::Na3AsS3O+H2SNa3AsS4+H2O(7):2Na3AsS4+O22Na3AsS3O+2S(8)H2SCO2CO2,pH(pH=7.5)pH(pH=9.0),,,G-V,[3],150,7.4MPa,CO21mg/m3(),(0.58kg/m3)2.2.4(ADA)[1,3]Strentford,ADANorthWesternGasBoard(BritishGas)ClaytonAniline2050,2060,,22,72(ADA),::H2S+Na2CO3NaHS+NaHCO3(9)2NaHS+4NaVO3+H2OADANa2V4O9+4NaOH+2S(10)Na2V4O9+2NaOH+H2O+2ADA()4NaVO3+2ADA()(11):O2+2ADA()2ADA()+2H2O(12):Na2CO33%5%;NaVO30.12%0.28%;;2040;pH8.59.2;99%:(1),;(2);(3);(4)CS2CO2;(5),;(6)Stretford,Sulfolin[7],1985Sulfolin,Stretford,:Na2V4O9+2NaOH+O24NaVO3+H2O(13)SulfolinStretfordUnisulfStretfordStretford,Unisulf,,,CO299%,1.33mg/m32.2.5()2070,LO-CAT[1,4],,,,,:H2S(g)+2Fe3+2H++S(s)+2Fe2+(14)O2(g)+2H2S+2Fe2+4OH-+2Fe3+(15)2080,EDTA,,140.4g/L,40,99.99%,,,3:(1)LO-CAT;(2)LO-CAT;(3)Aqua-CatLO-CAT[3]:(1),2mg/m3();(2),80%946:90%,ADA50%60%;(3),,LO-CAT,,99.99%,,,,,Sulfint[8],LO-CAT,,Sulferox[9]LO-CAT,::2FeL+H2S2Fe2+L+S+2H+(16):4Fe2+L+O2+4H24Fe3+L+S+2H2O(17)L(4%),,,50,0.3%0.4%,Sulferox1.4mg/m3HCNNH3SO2,SulferoxCO2[3],CO2,50%90%,COSCS2H2SCO2,,COS30%60%LO-CAT[7],:FD[10]HEDP-NTA-,2.2.6,(Takahax)[1],,,,,99%(Perox),[3],2070,[10],,,99%(Fumaks)[3],SumitomoHCN,Na2CO3,,99%,::H2S+Na2CO3NaHS+NaHCO3(18)NaHS+RHO+H2ONaOH+S+RNHOH(19):RNHOH+O22H2O+2RNO(20)NaHCO3+NaOHNa2CO3+H2O(21)(:R),2.3,,PDS,,[11],,,ADA,ADA(PDS),PDS[12]-[13]-,,11:H2S+2Fe3+2H++S+2Fe2+(22),:2Fe2+2Fe3++2e(23):2H++2eH2(24)053,H+:H2SH2+S(25)[14]:,,;,,-(),(TV)1977,:,,ADA;;[15,16],,AnatasslaKotronarou[17],16KHz,,,,,[18],Fe3+,,99%,;,,,,3,,,,,,,,,,,;,,,,,[19],,,,,,,:(1)H2SSO2;(2)H2S/CO2,;(3);(4)H2;(5),,[14][4],;,;PDSPDS,,,,,,[1]..:,1999,261267[2]..,1997,(1):1619[3]..:,2001,1945[4],,,.H2S.,1999,19(3):8490[5],..,1996,19(5):353357[6]DalrympleDA,etal.Anoverviewofliquidredoxsulfurrecovery.Chem.Eng.Prog.,1989,85(3):4348[7]..,1992,21(3):142146[8]GoarBG.Sulfurrecoverytechnology.EneryProcess,1986,6(2):7178[9]KohlA.L.,NielsenR.B.GasPurification(Fifth).Houston,Texas:GulfPublishingCo.,1997,825838[10],..:,1992,111114156:[11],,.PDS-.,1993,(2):3436[12].PDS.,1991,17(1):4041[13],,,.-.,1997,18(4):400408[14]..,1992,(5):5761[15]..,1998,(3):1719[16]ChungY.C.,HuangCh.P.Microbialoxidationofhy2drogensulfidewithbiofilter.JournalofEnvironmentSci2enceandHealth,PartA:EnvironmentalScienceandEn2gineering&ToxicandHazardousSubstanceControl,1996,7:12631278[17]AnatasslaKotronarou.Oxidationofhydrognsulfideinaqueoussolutionbyultrasonicirradiation.Environ.Sci.Technol.,1992,26(2):24202470[18]ZhangJiazhong,NingPing,HaoJiming.StudyonliquidphasecatalyticoxidationprocessoflowconcentrationH2S.The2ndSeminarofJSPS2MOECoreUniversityProgramonUrbanEnvironment.Kyoto,Japan:Jan2uary,2002,273278[19],,..,1995,18(3):7075(:)()1980,,19931,20001,,20021,,:,,:1.(6000)2.,,3.,,:[].().(),,():(),()4.(A4)5.,6.,7.,,:2871(100085)253