About the Project
The aim of the project to develop an innovative method to treat precious metal wastes and reduce both water consumption and potential environmental hazards. The project is split into four distinctive areas.
Area 1. Selective leaching studies – Initial work will look at developing innovative leaching processes for the recovery of precious metals. This will potentially involve pressurised systems, ultrasonics and electrochemical methods alongside traditional chemical leaching methods.
Area 2. Metal ion extraction studies - Initial work will look at commercially available ion exchangers/scavengers which can actively extract softer heavy metals from solution. Tests will be carried out to determine the capacity, kinetics and thermodynamics of the extraction mechanism. Synchrotron techniques will be utilised to directly understand the mechanism by which the metals interact with these solid phase extractants and facilitate the development of a surface complexation model.
Area 3. Dynamic testing and modelling – Work will be carried out to determine dynamic operation parameters of the recovery process. A hydrodynamic model will then be developed to facilitate scale up of the recovery process.
Area 4. Electrochemical recovery process – Once an enriched stream of precious metals has been created the precious metals will be recovered by electrochemical methods. Work will be carried out to both develop new electrodes for the electrodeposition processes as well as adapting the electrolyte to maximise the recovery process.
This project is open to competition for an EPSRC Doctoral Training Grant (DTG). Closing date for applications: 27 November 2015
UK candidates would be eligible for fees and stipend at the standard EPSRC rate.
EU candidates would be eligible for fees only (no stipend).
Overseas candidates are not eligible for this funding but are welcome to apply if able to fund the project from other sources.
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