二氧化碳-甲烷混合氣體水合物相平衡特性研究.pdf

1、中山大學(xué)碩士學(xué)位論文二氧化碳甲烷混合氣體水合物相平衡特性研究姓名：江承明申請學(xué)位級別：碩士專業(yè)：熱物理與能源利用技術(shù)指導(dǎo)教師：郭開華20100602中山大學(xué)碩士學(xué)位論文PhaseEquilibriumPropertyofMixedGasHydratesofCarbonDioxideandMethaneMajor：ThermalPhysicsandEnergyUtilizationTechnologyName：ChengmingJiang

2、Supervisor：KaihuaGuoAbstractTraditionalfossilenergy(coal，oilandnaturalgas)resourcesarelimitedDevelopingnewcleanenergyreducingthenegativeinfluenceoftheenergyutilizationandtechnologydevelopmentfortheenvironmentarethemainso

3、lutionstotheenergyproblemof21stcenturyNaturalGasHydrates(NGH)isknownasahigh—qualityclean，andpotentialenergysource，anditsreservesisalmosttwotimesofthetotalreservesinallfossilfuelsintheworldSo，thedevelopmentandutilizationo

4、fnaturalgashydratesresourcesisnecessaryAtthesametime，emittingexcessiveC02，amainsourceofgreenhousegas，causedtheenhancedglobalwarming，andleadstoasubstantialincreaseintemperatureSo，replacingofCIhfromhydrate、析thC02asallinteg

5、ratedwayofgreenhousegasstorageandexploitinggashydratesattractedmoreandmoreattentionPhaseequilibriumisthebasicprincipleofrecoveringNGHandvariousapplicationtechnologies，SOitisveryimportanttostudyNGHphaseequilibriumexperime

6、ntalresearchandthermodynamicmodelsAnewvisualexperimentalapparatuswassetupforNGHphaseequilibriumstudyingExperimentaldataonthehydrateequilibriumformationconditionsofCH4，C02andthosegasmixturesinpurewaterweremeasuredwiththis

7、apparatusAtotalof5systemshavebeenstudiedApplyingthegashydrateforecastmodelofDuandGuo，combiningPeng—Robinsonequationandquadraticfunctionmixingrulewhichisusedtocalculatethegasphasefugacitythegas、枋tlldifferentcomponentswere

8、calculatedandpredictedthroughprogrammingItisshownthatDu—GuomodelCanwellpredicthydrateequilibriumconditionsByusingthequasistaticchangeofthesystemalongthreephaseequilibriumlines，theupperquadruplepointofC02Wasdeterminedandu