PhD opportunity on long-term management of bauxite residues leachates

Our team has now available a Ph.D. opportunity at the University of Leeds on “Long-term management of leachates produced from highly alkaline bauxite residues” with Dr Ian Burke (SEE), Prof Doug Stewart (Civil Eng), Dr Will Mayes (Hull) and Amiel Boullemant (Rio Tinto Legacy Management).

Project Objectives

  1. Investigate the fate and mobility of soluble metals (Al, As, Mo. V) in relevant leachate management systems (e.g. neutralisation, re-circulation) using a combination of on-site measurement and laboratory experimentation (with synchrotron and electron microscopy based characterisation of metal(loid) speciation in the solid phases produced).
  2. Determine the effectiveness of residue treatments (e.g. in situ neutralisation, carbonation reactions) for controlling trace metal(loid) leaching and their long-term role in promoting residue stability and rehabilitation/ revegetation prospects.
  3. Investigate the fate of released oxyanions (chiefly V) in natural environments receiving treated leachates in order to understand the role of interactions with soil minerals and organic matter in controlling metal(loid) mobility and risk.

Project partner(s): Rio Tinto Legacy Management

Contact email: i.t.burke@leeds.ac.uk

You can find detailed information here.

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