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dc.contributor.advisor Alvarez, Pedro J. J.
dc.creatorJaved, Hassan
dc.date.accessioned 2020-08-11T21:48:02Z
dc.date.available 2020-08-11T21:48:02Z
dc.date.created 2020-08
dc.date.issued 2020-08-10
dc.date.submitted August 2020
dc.identifier.citation Javed, Hassan. "Mechanistic insights on the merits and limitations of advanced treatment processes for removal of contaminants of emerging concern." (2020) Diss., Rice University. https://hdl.handle.net/1911/109179.
dc.identifier.urihttps://hdl.handle.net/1911/109179
dc.description.abstract Perfluoroalkyl substances (PFASs) are recalcitrant contaminants of emerging concern that have widespread distribution in water sources, and exhibit potential to persist and bioaccumulate. Non-destructive and destructive remediation strategies have been actively investigated to remove PFAS. Adsorption on activated carbon is the most widely used non-destructive treatment method to remove PFAS. However, limited innovation has occurred in the field of activated carbon materials and there is a need to develop ultra-high surface area activated materials that exhibit high adsorption capacity and selectivity for target contaminants. Furthermore, non-destructive methods only transfer the contamination from one phase to another and therefore must be used in conjunction with destructive treatment methods to effectively remove and mineralize the target contaminant. In recent years, there has been growing interest to use Advanced Oxidation Processes (AOPs) to degrade PFAS. However, progress in the field has been hampered by the ambiguity that exists regarding the role of two key reactive oxygen species (ROS) i.e. hydroxyl radical (•OH) and superoxide radical anion (O2•-) in degrading PFAS with some studies demonstrating their effectiveness while others claiming the contrary. This dissertation aims to provide mechanistic insights into the treatment of PFAS and other contaminants of emerging concern by: i) Developing fundamental understanding of how the structure of a novel ultra-high surface area activated carbon relates to its function as an adsorbent. ii) Resolving the ambiguity regarding the role of •OH and O2•- in degrading PFAS.
dc.format.mimetype application/pdf
dc.language.iso eng
dc.subjectcontaminants of emerging concern
perfluoroalkyl substances
endocrine disrupting chemicals
hydroxyl radical
superoxide radical
activated carbon
water treatment
environmental remediation.
dc.title Mechanistic insights on the merits and limitations of advanced treatment processes for removal of contaminants of emerging concern
dc.type Thesis
dc.date.updated 2020-08-11T21:48:02Z
dc.type.material Text
thesis.degree.department Chemistry
thesis.degree.discipline Natural Sciences
thesis.degree.grantor Rice University
thesis.degree.level Doctoral
thesis.degree.name Doctor of Philosophy


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