天然气脱硫过程的胺液污染问题及胺液净化技术研究进展-孙姣

20143310CHEMICALINDUSTRYANDENGINEERINGPROGRESS2771123121212130013023001303215000MDEATE645A10006613201410277107DOI10.3969/j.issn.1000-6613.2014.10.042IntroductionofamineliquidpollutioninnaturalgasdesulfurizationprocessandpurificationtechnologySUNJiao12SUNBing3JIChunyan12WeiYueyou12CHENWenyi121DepartmentofProcessEquipmentandControlEngineering.HebeiUniversityofTechnologyTianjin300130China2ResearchCenterofEngineeringFluidandProcessEnhancementHebeiUniversityofTechnologyTianjin300130China3SuzhouLishengWaterPurificationTechnologyCo.Ltd.Suzhou215000JiangsuChinaAbstractAminedesulfurizationprocessespeciallythemethyldiethanolamineMDEAmethodiscommonlyusedinthenaturalgasdesulfurizationbutalotofpollutionissuessuchasfoamingdegradationandheatstablesaltoftenappearedintheuseofamineliquidwhichseriouslyaffecttheoperationofdesulfurizationsystem.Consideringthehighcostofreplacingamineitisnecessarytopurifyaminetoextenditsservicelife.Thispaperanalyzedthecausesandsolutionsofaminepollutionproblems.Themaincausesofaminepollutionwereimproperpretreatmentwhichmaygeneratethethermalstabilitysaltsuspendedsolidandheavyhydrocarbonandoxygeninsystemresultinginaminedegradationandincreaseofpollutantconcentrationsinamineliquid.Amineliquiddegradationandthermalstabilitysaltwerethemostseriousproblemssincethesefactorswoulddirectlyinfluencetheotheramineproblems.Additionallythedevelopmentsinaminepurificationwereintroduced.Themostpopularaminepurificationtechnologywastheapplicationofionexchangetechniqueintheionicimpuritiesremovalandotherfilteradsorptiontechnologiesinthenonionicimpuritiesremoval.Thesetechnologieshadmoreadvantagesthanneutralizati[e-mail]2014332772KeywordsaminepurificationaminefoamingamineliquorentrainingoilaminedegradationthermalstabilitysaltnaturalgasdesulfurizationH2SCO2CS2COS-MDEAH2S[1-2]MDEA[3]11C5+1123456789101112131.1[4][5]Fe(OH)3FeS1.2[6][7]1.3[8-9]1.3.1[10][11][10-11]1MDEA[12][13]BP1027731FeSpHC5+Arnaudov[14]Chen[15][16]Fe(OH)3FeSFe(OH)3FeS0.3mm1.3.2[17-18]22--1.4CO2MDEAHSSCO2O2COSCS2HSS1MDEA+H2SMDEAH+···HS−1HSSHSASHSS[2]MDEA+HXMDEAH+···X−2HXXMDEAMDEARooney[19]MDEAMDEAMDEA50%MDEA8528DEA1605mg/kg2014332774[20]CH3OHHCNCO2MDEA[21]ChakmaCO2MDEA12045100140145CO2[22-23]MDEAMDEAMDEA[24]MDEA-1.5[25]1.622H2SCO22CO2CO222.1433++MDEA10277533[26-29][30-31][32]2.22.2.1H2SHSS2.2.2MDEA[33]MDEA10.0kPa6597%2.2.3UCARSEP[34]ElectroSepTechnologiesElectroSep[35]3[36]ElectroSepUCARSEP3UCARSEP[34][37]2.2.4NarendraVerma[38]MPRSSUEco-TecAmipur[39]Amipur4Amipur[40]MPRSSU35HCXSSXHSSXVersaltl4Amipur[39]20143327765[40][41]EliteRUTMHSS7.42%0.88%[42]--[43]-[44]SSU[45]2.2.5[46]32.2.6Sigmapure[47]312345[1].[J].19866187-93.[2].——[J].201129115-21.[3].MDEA[J].1994234201-204.[4].[J].200623356-58.[5].[J].2009308574-576.[6]LingaHHinderakerGTykhelleB.Theeffectofhydrocarboncondensateandanti-foamingagentsontheperformanceofCO2adsorptionwithactivedMDEA[EB/OL].FramoPurificationAS.http//[7].[J].20093717-10.[8]PauleyCR.Facethefactsaboutaminefoaming[J].Chem.Eng.Prog.199187733-38.[9]PauleyCRHashemiRCaothienS.Waystocontrolamin-unitfoamingoffered[J].OilGasJ.1989875067-75[10].[J].200827250-54.[11].[J].20071462-66.[12].MDEA[J].200833631-36.[13].[J].200522168-71.[14]AmaudovLDenkovNDSurchevaIetal.Effectofoilyadditivesonthefoamabilityandfoamstability.I.Roleofinterfacialproperties[J].Langmuir200117156999-7004.[15]ChenXiFreemanStephanieARochelleGaryT.Foamingof102777aqueouspiperazineandmonoethanolamineforCO2capture[J].InternationalJournalofGreenhouseGasControl20115381-386.[16].[J].2002282351-356.[17].[M].1991408.[18].[M].200860.[19]RooneyPCDuPartMSBaconTR.Oxygen’sroleinalkanolaminedegradation[J].HydrocarbonProc.Int.Ed.1998777109-113.[20].N-[J].1999152219-223.[21].CO2MDEA[J].199928298-102.[22].MDEA[J].2009384308-311.[23].MDEA[J].2010394294-296.[24].MDEA[C]//200638-41.[25].MDEA[J].201026520-23.[26].[J].2005353167-178.[27].[J].199524160-63.[28]RossSYoungJG.Actionofantifoamingagentsatoptimumconcentrations[J].Ind.Eng.Chem.1951432520–2525.[29]OkazakiSSasakiT.2Typesofantifoamersandtheircooperatingaction[J].Bull.Chem.Soc.Jpn.196033564–565.[30].[J].1998493358-361.[31].[J].19915343-47.[32]Jean-PaulLecomte.[J].200733551-53.[33].MDEA[J].200934125-29.[34]DavidBurns.TheUCARSEPprocessforon-lineremovalofnon-regenerablesaltsfromamineunit[C]//LaruanceReidGasConditionConferenceLaruance1995.[35]PaulParisi.Electrodialysis-effectiveaminereclamationwithminimaloperationalimpact[C]//85thGasProcessorsAssociation2006.[36].[J].2005344281-284.[37].201020272514.X[P].2011-06-29.[38]NarendraVermaAnilVerma.Aminesystemproblemsarisingfromheatstablesaltsandsolutionstoimprovesystemperformance[J].FuelProcessingTechnology200990483-489.[39]Amipur[J].200435821-25.[40].SSU[J].200902156-158.[41].[J].2012453-56.[42].200410053470.0[P].2006-02-15.[43].201010584438.0[P].2011-07-20.[44].[J].2012187-91.[45].[J].20107209-211.[46].[J].20081667.[47]VonPhuStephenA.Sweeteningprocessfoamin