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Systemic Projects

Value From Wastes

Belinda Flood
Project title - Completed

The interaction between plant growth, platinum mine tailings and sodic soil
(Supervisor: Professor Mary Scholes)
This honours project investigates the amelioration of sodic soils by adding calcium-rich platinum tailings to sodic soil and non-sodic soil, in order to improve the Ca:Mg:Na ratios in the soils, thereby improving the nutrient status of the soils and facilitating plant growth. Read more...

Nicole Meyer
Project title - Completed

A kinetic investigation into the dissolution of pyroxene: A precursor to mineral carbonation of PGM tailings in South Africa
(Supervisors: Dr M Becker, Dr J Broadhurst, Assoc Prof J Petersen, Prof J-P Franzidis and Assoc Prof D-L Reid)
Increasing atmospheric carbon dioxide is currently of considerable concern in terms of global warming. A possible technology that can contribute to the reduction of CO2 emissions is its sequestration by mineral carbonation. Read more...

Mpendulo Ncongwane
MSc Project title

A feasibility study of the mineral carbonation of PGM Tailings
(Duration: Jan 2014 to Dec 2015)
Mineral carbonation is a carbon sequestration technology that entails the reaction of CO2 with oxides or silicates of magnesium, calcium or iron to produce stable carbonate compounds. Read more...

Helene-Marie Stander
MSc/PhD Project title

Valorisation of mine waste: from early stage design to technology transfer
(Duration: 2012 to 2015)
The international mining and minerals beneficiation industry is important for producing the materials required for manufacturing of consumer goods and is critical to maintaining and improving the living standards of the world’s human population. Read more...

Lesley Sibanda
MPhil Project title

Recycling and utilization of mine waste: an alternative management approach to gold tailings in South Africa
(Duration: Feb 2014 to Dec 2015)
The gold mining industry generates a tremendous amount of mine waste from the extraction and beneficiation of mineral rich ore annually. The disposal of these waste into impoundments (also known as tailings dams) poses significant challenges such as surface erosion and dust generation, soil and water pollution due to acid mine drainage. Read more...

Jacques Vogeli
Project title - Completed

Investigation of the potential for mineral carbonation of South African PGM tailings
(Supervisors: Prof. David L. Reid; Dr Jennifer Broadhurst; Dr Megan Becker).
Increasing atmospheric CO2 concentration is currently of considerable concern in terms of global warming. A possible technology that can contribute to the reduction of CO2 emissions is its sequestration by mineral carbonation. Read more...