A Study of Surface Treatments on Carbonate Core Material for Application to Mineral Precipitation and Dissolution during Geologic Carbon Storage

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dc.contributor.advisorTomson, Mason B.en_US
dc.contributor.committeeMemberBedient, Philip B.en_US
dc.contributor.committeeMemberWard, C. H.en_US
dc.contributor.committeeMemberHirasaki, George J.en_US
dc.creatorWork, Sarahen_US
dc.date.accessioned2013-06-05T15:55:09Zen_US
dc.date.accessioned2013-06-05T15:55:14Zen_US
dc.date.available2013-06-05T15:55:09Zen_US
dc.date.available2013-06-05T15:55:14Zen_US
dc.date.created2012-12en_US
dc.date.issued2013-06-05en_US
dc.date.submittedDecember 2012en_US
dc.date.updated2013-06-05T15:55:15Zen_US
dc.description.abstractUnderground injection of acid gas has been studied for several decades for oil field applications, such as enhanced oil recovery (EOR), but is now being studied as a solution to climate change. This research aims to simulate underground conditions at injection sites, such as the pilot scale injection site located near the site of a coal fired power facility in the Black Warrior Basin of Alabama. This proposed carbon capture and sequestration (CCS) location would involve injection of liquid CO2 into a carbonaceous saline aquifer. The objective of this study was to investigate carbonate surface treatments that alter the kinetics and mechanism of mineral dissolution resulting from the injection of an acid gas (CO2) into a geologic formation. A variety of mineral coatings were tested in an attempt to preserve mineral integrity under acidic conditions. Surface active chemicals were first tested, including scale inhibitors, followed by a novel acid induced surface treatment that precipitates an inorganic layer on the calcite to preserve the acid soluble mineral. These experiments are the first to investigate the use of scale inhibitors for mineral preservation, although were found ultimately to have little impact on dissolution kinetics. However, anions of moderate to strong acids induced surface coatings that were determined to effectively inhibit dissolution. Additionally, a novel, high pressure flow-through experimental apparatus was developed to simulate pressure and temperature conditions relevant to injection sites. Similar mineralogical studies in the literature have used pressurized, unstirred, batch systems to simulate mineral interactions. Solids with an acid induced surface coating were tested in the high pressure column and no calcium was found to leave the column.en_US
dc.format.mimetypeapplication/pdfen_US
dc.identifier.citationWork, Sarah. "A Study of Surface Treatments on Carbonate Core Material for Application to Mineral Precipitation and Dissolution during Geologic Carbon Storage." (2013) Diss., Rice University. <a href="https://hdl.handle.net/1911/71300">https://hdl.handle.net/1911/71300</a>.en_US
dc.identifier.slug123456789/ETD-2012-12-334en_US
dc.identifier.urihttps://hdl.handle.net/1911/71300en_US
dc.language.isoengen_US
dc.rightsCopyright is held by the author, unless otherwise indicated. Permission to reuse, publish, or reproduce the work beyond the bounds of fair use or other exemptions to copyright law must be obtained from the copyright holder.en_US
dc.subjectCarbon captureen_US
dc.subjectCarbon sequestrationen_US
dc.subjectLiquid Co2en_US
dc.subjectPassivationen_US
dc.subjectFluoriteen_US
dc.subjectCalcium tartrateen_US
dc.subjectCarbonate dissolutionen_US
dc.subjectScale inhibitoren_US
dc.titleA Study of Surface Treatments on Carbonate Core Material for Application to Mineral Precipitation and Dissolution during Geologic Carbon Storageen_US
dc.typeThesisen_US
dc.type.materialTexten_US
thesis.degree.departmentCivil and Environmental Engineeringen_US
thesis.degree.disciplineEngineeringen_US
thesis.degree.grantorRice Universityen_US
thesis.degree.levelDoctoralen_US
thesis.degree.nameDoctor of Philosophyen_US
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