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Supercritical Fluid Extraction of Hydrocarbons from the Marcellus Shale by Using CO2

dc.contributor.advisorCandela, Philipen_US
dc.contributor.authorJarboe, Palma Jeanen_US
dc.date.accessioned2014-10-11T05:38:15Z
dc.date.available2014-10-11T05:38:15Z
dc.date.issued2014en_US
dc.identifierhttps://doi.org/10.13016/M2GK5R
dc.identifier.urihttp://hdl.handle.net/1903/15706
dc.description.abstractSupercritical carbon dioxide was used to extract n-aliphatic hydrocarbons from samples of Marcellus shale, and to evaluate recovery as a function of sample matrix particle size (sieve size). Results show that supercritical CO2 has the potential to liberate diesel-range n-aliphatic hydrocarbons from high-maturity shale at estimated in situ pressure and temperature conditions. Total quantity of resolvable n-aliphatic hydrocarbons ranged from approximately 0.3 - 12 milligrams of hydrocarbon per gram of total organic carbon. No significant differences in extracted hydrocarbons were observed between crushed samples of different sieve sizes (1000 - 500 µm, 250 - 125 µm, and 63 - 25 µm). However, some increase in hydrocarbon extraction efficiency was seen as a function of exposed surface area. Additionally, a slight positive correlation was also observed between hydrocarbon recovery and S1 (free oil content) warranting further investigation.en_US
dc.language.isoenen_US
dc.titleSupercritical Fluid Extraction of Hydrocarbons from the Marcellus Shale by Using CO2en_US
dc.typeThesisen_US
dc.contributor.publisherDigital Repository at the University of Marylanden_US
dc.contributor.publisherUniversity of Maryland (College Park, Md.)en_US
dc.contributor.departmentGeologyen_US
dc.subject.pqcontrolledPetroleum geologyen_US
dc.subject.pqcontrolledGeochemistryen_US
dc.subject.pquncontrolledCarbon Dioxideen_US
dc.subject.pquncontrolledHydrocarbonsen_US
dc.subject.pquncontrolledMarcellus Shaleen_US
dc.subject.pquncontrolledSupercritical Fluid Extractionen_US


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