Supercritical Carbon Dioxide Extraction of Organic Matter from Petroleum Source Rocks and Its Implications

(整期优先)网络出版时间:1996-04-14
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Organicmatterwasexperimentallyextractedbysupercriticalfluids(CO2+1%isopropanol)frompetroleumsourcerocksofdifferentthermo-maturitiesatdifferentburieddepthsinthesamestratigraphicunitintheDongyingBasin.Theresultsshowthatsupercriticalfluidextraction(SFE)ismoreeffectivethanSoxhletextraction(SE),withhigheramountsandgreatervarietiesofhydrocarbonsandsolubleorganicmatterbecomingextractive.ThesupercriticalCO2extractionisthereforeconsideredmorevaluableinevaluationofpetroleumsourcerocksandoilresources,particularlythoseofimmaturetypes.