- Title
- The development of novel nickel selective amine extractants
- Creator
- Okewole, Adeleye I, Antunes, Edith M, Nyokong, Tebello, Tshentu, Zenixole R
- Subject
- To be catalogued
- Date
- 2013
- Type
- text
- Type
- article
- Identifier
- http://hdl.handle.net/10962/241641
- Identifier
- vital:50957
- Identifier
- xlink:href="https://doi.org/10.1016/j.mineng.2013.04.019"
- Description
- A chelating ion exchanger, prepared by functionalising Merrifield resin with 2,2′-pyridylimidazole, was utilized to selectively adsorb and separate nickel from other base metal ions in synthetic sulfate solutions. The sorbent material was characterized by scanning electron microscopy (SEM), microanalysis, infrared (IR), X-ray photoelectron spectroscopy (XPS) and BET surface area. The distribution ratio (D) and the sorption capacity of the microspheres toward Ni(II), Cu(II), Co(II) and Fe(II) ions was studied by using the batch and column methods, respectively. Ni(II) followed by Cu(II) showed the highest distribution ratio (D) and the highest sorption efficiency of nickel(II) ions around pH 2. The binary separation of nickel(II) from copper(II), cobalt(II) and iron(II) respectively, undertaken in a column study, through loading the metal ions at pH ≈ 2 followed by selective decomplexation, demonstrated the selectivity of the sorbent material for nickel(II). Thus, 2,2′-pyridylimidazole can be regarded as a nickel-specific extractant.
- Format
- computer, online resource, application/pdf, 1 online resource (6 pages), pdf
- Publisher
- Elsevier
- Language
- English
- Relation
- Minerals Engineering, Okewole, A.I., Antunes, E., Nyokong, T. and Tshentu, Z.R., 2013. The development of novel nickel selective amine extractants: 2, 2′-pyridylimidazole functionalised chelating resin. Minerals Engineering, 54, pp.88-93, Minerals Engineering volume 54 p. 88 2013 0892-6875
- Rights
- Publisher
- Rights
- Use of this resource is governed by the terms and conditions of the Elsevier Terms and Conditions Statement (https://www.elsevier.com/legal/elsevier-website-terms-and-conditions)
- Rights
- Closed Access
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Collections
Tshentu, Zenixole Richman (Dr)
Antunes, Edith Martins (Dr)
RU DST/NRF SARChI for Medicinal Chemistry and Nanotechnology
Nyokong, Tebello (Distinguished Professor)
RU Department of Chemistry
SDG 03. Good Health and Well-Being
| Thumbnail | File | Description | Size | Format | |||
|---|---|---|---|---|---|---|---|
| View Details | SOURCE1 | The development of novel nickel selective amine extractants.pdf | 706 KB | Adobe Acrobat PDF | View Details |