利用硫化学发光检测器和气相色谱仪测定天然气和液化气中的含硫化合物

迟永杰(中国石油西南油气田公司天然气研究院)利用硫化学发光检测器(SCD)和气相色谱仪,采用定体积进样和石英毛细管色谱柱,对天然气和液化气的含硫化合物进行测定该方法简便快速,对硫化合物呈等摩尔线性响应,检测灵敏度高,不受大多数样品基质的干扰气体分析硫化物测定硫化学发光检测器气相色谱等摩尔线性响应,,,,,,,,,,1测定原理,(SO)()1:()+O2!SO+H2O+SO+O3!SO2+O2+h(300~400nm),,1()SO,,59增刊CHEMICALENGINEERINGOFOIL&GAS(),,(0.5pgS/sec)1∀1042实验部分2.1Agilent6890N/Sievers355;Wasson3048,60m,530m,7.0m2.2-10#,5min,5#/min120#,0min,20#/min200#,15min;250#;3.0mL;,,201,9.8Ps,i10mL/min,52cm/s2.3,(Sulfinert)(80#),SCD,22.4(FPD),SCD,,,,(COS)(CH3SH),,,(CH3SSCH3)/,,3实验结果3.1,20,3,4,,53.2(100~300)∀10-9(ppb),6:,6020083.37,,,1:0.05%,1.5%,112.0423902.2625003.5024605.73244022.0423502.2624603.5024105.73240032.0523402.2624503.5024205.73240042.0423602.2624503.5024305.73241052.0423602.2624503.5024305.73242062.0423802.2624203.5024005.73239072.0423802.2623703.5023705.7323802.042365.42.262442.93.502418.25.732406.6RSD,%0.040.650.001.470.001.020.000.744讨论(1),(Wasson3048),,J&WGasPro-PLOT,,7(2),10%~20%,,,,61增刊CHEMICALENGINEERINGOFOIL&GAS,Agilent6890N(EPC),,,Agilent7890,,5结论,,,1ASTMD5504-01.StandardTestMethodforDeterminationofSulfurinNaturalGasandGaseousFuelsbyGasChromatographandChemiluminescence:,1965515,(),,,GB18407∃%GB/T13610∃%6,&∋HSE,20053500,JJG693-2004JJG695-2003,,2006&∋,,(8∀10-6~100∀10-6)(0.1%~4.0%),,200712GBW(E)060910,:(8~40)∀10-6,1∀10-6,(40~100)∀10-6,2.5%GBW(E)060911,:0.1~4.0%,1.5%,2007天然气研究院第一研究室报道622008ther,strengthenedthefunctionofelectronicbooksmanagemen,tandacceleratedtheconstructionoffourdatabasesofscientificresearchdataretrievalcolumn,continuouslysupplementedrelatedinformationtotheexistingdatabases,andtrybesteffortstobuildupthemostperfectandmostcharacteristicdigitizedlibraryinnaturegasindustryinourcountry.Keywords:scientificandtechnologicalinformation,softscientificresearch,informationinvestigation,redactionandpublication,digitizedlibrary,ResearchInstituteofNaturalGasTechnologyResearchandApplicationonAnalysisandMeasurementTechnologyofNaturalGasTangMeng,LuoQin,ChiYongjie(ResearchInstituteofNaturalGasTechnology,PetroChinaSouthwestOil&GasfieldCompany).CHEMICALENGINEERINGOFOIL&GAS,VOL.37,Supplement,pp42~52,2008(ISSN1007-3426,INCHINESE)Abstract:TheresearchachievementsonanalysisandmeasurementtechnologyofnaturalgaswerebrieflyintroducedsinceResearchInstituteofNaturalGasTechnologywasfoundin1958.Theachievementsareinvolvedinthewholeprocessofprocessingnaturalgasfrombeginningtoenduser,whichcontainingthegasqualityrequirements,samplingguidelines,analysisandtestmethods,aswellasphysicalpropertycalculationmethods.TheChinanationalstandardsystemfornaturalgasonanalysisandmeasurementwasbuiltup.Thecalibrationgassystemfornaturalgaswasalsobuiltup.Uptonow,Chinahasbuiltthebasicstandardandcalibrationsystemforanalysisandmeasuremen,twhichistrackedtointernationalcustomsandtherepresentativestandardisGB17820.AlltheachievementsweresatisfiedtherequirementsfordevelopingofChinanaturalgasindustry.Thefuturedevelopmentongasanalysisandmeasurementwasintroduced.Keywords:naturalgas,analysisandmeasuremen,tstandard,calibrationgas,traceabilityofanalysisDetectionTechnologyofNaturalGasHydrocarbonDewPointLuoQin,ZengWenping,WangXiaoqin(ResearchInstituteofNaturalGasTechnology,PetroChinaSouthwestOil&GasfieldCompany).CHEMICALENGINEERINGOFOIL&GAS,VOL.37,Supplement,pp53~58,2008(ISSN1007-3426,INCHINESE)Abstract:Hydrocarbondewpoint(HDP)/liquidhydrocarboncontentisoneofthekeyphysicalpropertyparametersofnaturalgas.HDPdeterminationofpipelinegascanensurethepipelinerunningsafely.TherearethreemethodsforHDPdetermination:chilledmirrorautomaticmeasurementmethod,chilledmirrorocularestimationandcalculationfromnaturalgasanalysis.Thisarticlespecifiestheadvantages,disadvantagesandinfluencefactorsofthethreemethods,providesreferenceforselectingHDPtestmethodsandhasapracticalsignificancefordevelopindustryandnationalstandardsinthefuture.ThisarticleintroducesthecalibrationtechniqueofchilledmirrorHDPanalyzersourcedfromISO/TC193,indicatesthatthisnewcalibrationtechniquecanensurethetraceabilityofchilledmirrormethod,increasestheaccuracyofmeasurementresults.Itisproposedtorunafterandresearchi,tsetupthecalibrationtechniqueandstandardfornaturalgaschilledmirrorHDPanalyzerinourcountryassoonaspossible.Keywords:naturalgasanalysis,hydrocarbondewpoin,ttestmethod,influencefactor,instrumentcalibrationDeterminationofSulfideinNaturalGasandLiquidPetroleumGasUsingSulfurChemiluminescenceDetector(SCD)andGasChromatographyChiYongjie(ResearchInstituteofNaturalGasTechnology,PetroChinaSouthwestOil&GasfieldCompany).CHEMICALENGINEERINGOFOIL&GAS,3Nov.2008,Vol.37,SupplementCHEMICALENGINEERINGOFOIL&GASVOL.37,Supplement,pp59~62,2008(ISSN1007-3426,INCHINESE)Abstract:Thisarticledescribesamethodfordeterminationofsulfideinnaturalgasandliquefiedpetroleumgasusingsulfurchemiluminescencedetector(SCD)andgaschromatographywhichadoptsconstantvolumeinjectionandquartzcapillarychromatogramcolumn.Thismethodissimple,rapidandlinerequimolarwiththesulfide.Thedetectorhasahighsensitivityandisnotdisturbedbythesamplesubstrate.Keywords:gasanalysis,sulfidedetermination,sulfurchemiluminescencedetector,gaschromatography,linerequimol