- Title
- The sulphidization of mineral surfaces as applied to the froth flotation process
- Creator
- Ramagwede, Mudzimba Hubert
- ThesisAdvisor
- Harris, P.J.
- ThesisAdvisor
- Eve, D.J.
- Subject
- Sulfide minerals
- Subject
- Flotation
- Date
- 1988
- Date
- 2013-02-28
- Type
- Thesis
- Type
- Masters
- Type
- MSc
- Identifier
- vital:4296
- Identifier
- http://hdl.handle.net/10962/d1004590
- Description
- This work constitutes a fundamental study of the interaction between soluble sulphide,copper (II) oxide and cerussite particles in the presence of Ca²⁺ ,Mg²⁺ starch , gum arabic and Triton X- IOO . A detailed investigation of the effect of pH of the system on the rate of sulphide uptake was made . In addition , the structural form of the surface precipitat.es were determined with the aid of scanning electron microscopy . On the basis of these results , it was concluded that adsorption of sulphide on cerussite in the presence or absence of Ca²⁺ starch, gum arabic and Triton X-IOO could either lead to the formation of a non-uniform or a uniform sulphide layer depending on the experimental conditions . However , the interaction of copper (II) · oxide wi th soluble sulphide in the presence or absence of the above mentioned species always led to the formation or a non-uniform sulphide layer . Preliminary experiments of the interaction between xanthate and sulphidized surface showed that oxide surface covered with metal sulphide layer reacts with less xanthate than the free oxide surface.
- Format
- 160 p., pdf
- Publisher
- Rhodes University, Faculty of Science, Chemistry
- Language
- English
- Rights
- Ramagwede, Mudzimba Hubert
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Collections
RU Department of Chemistry
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