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Synthesis and application of some Ag+-selective ligands and iron oxide/Ag+-selective composite nanoparticles
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Aderibigbe, Abiodun Daniel (2019) Synthesis and application of some Ag+-selective ligands and iron oxide/Ag+-selective composite nanoparticles. PhD thesis, University of Warwick.
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WRAP_Theses_Aderibigbe_2019.pdf - Submitted Version - Requires a PDF viewer. Download (4Mb) | Preview |
Official URL: http://webcat.warwick.ac.uk/record=b3489789~S15
Abstract
The work presented in this thesis reports the synthesis and application of some novel Ag+-selective ligands and magnetic iron oxide /Ag+-ligand nanocomposites for Ag+ recovery from aqueous solutions. Also investigated is the Ag+-selective ligand binding studies using traditional methods including mass spectrometry and proton NMR titrations. Chapter 1 provides a detailed introduction to methods of metal recovery leading to discussion of adsorption technology and ending with a detail review of types of iron oxide/ligand composites for metal recovery.
Chapter 2 reports on a novel room temperature route to accessing a range of novel N,N’-malonamide derivatives and styrylamide Ag+-selective ligands, and the measurement of their efficiency and selectivity for Ag+ extraction from aqueous solution.
Chapter 3 presents a detailed investigation of the binding stoichiometries of two Ag+ selective ligands (N,N’-malonamide derivatives and styrylamide) with Ag+, using mass spectrometry and proton NMR titrations (leading to Job’s and mole ratio plots).
Chapter 4 focuses on the synthesis of iron oxide nanoparticle and its linkage to a novel styrylamide Ag+-selective ligand by means of atom transfer radical polymerization (ATRP) and free radical polymerization (FRP) and ending with testing of the iron oxide/styryl amide nanocomposite obtained for Ag+ recovery from aqueous solution.
Chapter 5 describes the synthesis of iron oxide/imidazolium-based Ag+-ligand nanocomposite and the optimization of parameters (pH, time, dosage and stripping agent) for efficient and selective Ag+ recovery from aqueous solutions.
Chapter 6 details the experimental procedures and chemical analyses undertaken in this thesis.
| Item Type: | Thesis (PhD) | ||||
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| Subjects: | Q Science > QD Chemistry | ||||
| Library of Congress Subject Headings (LCSH): | Ligands, Nanoparticles, Iron oxides -- Magnetic properties, Cations, Stoichiometry, Addition polymerization | ||||
| Official Date: | July 2019 | ||||
| Dates: |
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| Institution: | University of Warwick | ||||
| Theses Department: | Department of Chemistry | ||||
| Thesis Type: | PhD | ||||
| Publication Status: | Unpublished | ||||
| Supervisor(s)/Advisor: | Clark, Andrew J. (Professor) ; Bon, Stefan Antonius Franciscus | ||||
| Sponsors: | Commonwealth Scholarship Commission in the United Kingdom ; University of Warwick | ||||
| Format of File: | |||||
| Extent: | xix, 177 leaves : illustrations | ||||
| Language: | eng |
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