Groundwater redox conditions at a petroleum contaminated site, Kuils River, South Africa : pathways for BTEX biodegradation

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dc.contributor.advisorRoychoudhury, Alakendra Nen_ZA
dc.contributor.authorMerrett, Greg Leeen_ZA
dc.date.accessioned2014-10-18T05:53:38Z
dc.date.available2014-10-18T05:53:38Z
dc.date.issued2003en_ZA
dc.descriptionIncludes bibliographical references (leaves 84-88).en_ZA
dc.description.abstractA shallow sandy aquifer, contaminated by petrol from an underground storage tank, was studied to determine if intrinsic bioremediation of the hydrocarbons is taking place. Groundwater samples taken from 32 monitoring wells were analysed for NO₃-,NH₄+, Mn²+, Fe²+, SO₄²-, and ΣH₂S. Portable electrodes were used to make field measurements of electrical conductivity, redox potential, and pH. The variation and distribution of these redox-sensitive groundwater constituents show that bioremediation via NO₃- reduction, Fe³+ reduction, and SO₄²- reduction (and possibly methanogenesis in the most reduced part of the plume) is occurring. In some cases redox processes are taking place simultaneously resulting in redox zones that overlap. Iron and sulphate reduction are the dominant processes taking place.en_ZA
dc.identifier.apacitationMerrett, G. L. (2003). <i>Groundwater redox conditions at a petroleum contaminated site, Kuils River, South Africa : pathways for BTEX biodegradation</i>. (Thesis). University of Cape Town ,Faculty of Science ,Department of Geological Sciences. Retrieved from http://hdl.handle.net/11427/8588en_ZA
dc.identifier.chicagocitationMerrett, Greg Lee. <i>"Groundwater redox conditions at a petroleum contaminated site, Kuils River, South Africa : pathways for BTEX biodegradation."</i> Thesis., University of Cape Town ,Faculty of Science ,Department of Geological Sciences, 2003. http://hdl.handle.net/11427/8588en_ZA
dc.identifier.citationMerrett, G. 2003. Groundwater redox conditions at a petroleum contaminated site, Kuils River, South Africa : pathways for BTEX biodegradation. University of Cape Town.en_ZA
dc.identifier.ris TY - Thesis / Dissertation AU - Merrett, Greg Lee AB - A shallow sandy aquifer, contaminated by petrol from an underground storage tank, was studied to determine if intrinsic bioremediation of the hydrocarbons is taking place. Groundwater samples taken from 32 monitoring wells were analysed for NO₃-,NH₄+, Mn²+, Fe²+, SO₄²-, and ΣH₂S. Portable electrodes were used to make field measurements of electrical conductivity, redox potential, and pH. The variation and distribution of these redox-sensitive groundwater constituents show that bioremediation via NO₃- reduction, Fe³+ reduction, and SO₄²- reduction (and possibly methanogenesis in the most reduced part of the plume) is occurring. In some cases redox processes are taking place simultaneously resulting in redox zones that overlap. Iron and sulphate reduction are the dominant processes taking place. DA - 2003 DB - OpenUCT DP - University of Cape Town LK - https://open.uct.ac.za PB - University of Cape Town PY - 2003 T1 - Groundwater redox conditions at a petroleum contaminated site, Kuils River, South Africa : pathways for BTEX biodegradation TI - Groundwater redox conditions at a petroleum contaminated site, Kuils River, South Africa : pathways for BTEX biodegradation UR - http://hdl.handle.net/11427/8588 ER - en_ZA
dc.identifier.urihttp://hdl.handle.net/11427/8588
dc.identifier.vancouvercitationMerrett GL. Groundwater redox conditions at a petroleum contaminated site, Kuils River, South Africa : pathways for BTEX biodegradation. [Thesis]. University of Cape Town ,Faculty of Science ,Department of Geological Sciences, 2003 [cited yyyy month dd]. Available from: http://hdl.handle.net/11427/8588en_ZA
dc.language.isoengen_ZA
dc.publisher.departmentDepartment of Geological Sciencesen_ZA
dc.publisher.facultyFaculty of Scienceen_ZA
dc.publisher.institutionUniversity of Cape Town
dc.subject.otherEnvironmental Geochemistryen_ZA
dc.titleGroundwater redox conditions at a petroleum contaminated site, Kuils River, South Africa : pathways for BTEX biodegradationen_ZA
dc.typeMaster Thesis
dc.type.qualificationlevelMasters
dc.type.qualificationnameMScen_ZA
uct.type.filetypeText
uct.type.filetypeImage
uct.type.publicationResearchen_ZA
uct.type.resourceThesisen_ZA
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