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  • Lecturer
  • Environmental Geochemistry
  • Ph (021) 808 3117, Fax (021) 808 3129
  • Email: cdowding@sun.ac.za
 
 
 


  • BSc Stellenbosch University (2001)
  • MSc Stellenbosch University (2004)
  • PhD Durham University (2009)
 

  • Redox processes in soils and water
  • Oxidative breakdown of persistent organic pollutants
  • Contaminated soil and water treatment using mining and industrial wastes
  • ATR-FTIR analysis of the mineral water interface
  • Fate and mobility of contaminants in soils of arid regions
 

  • Soil contamination surrounding Cu mines in the Northern Cape Province
  • Geochemical interpretation of palaeosols in the Northern Cape
  • Drying induced changes on mineral-water interfaces
 

Clarke CE, Johnson KL. Oxidative breakdown of acid orange 7 by a manganese oxide containing mine waste: Insight into sorption, kinetics and reaction dynamics. Applied Catalysis B: Environmental 2010; 101: 13-20.
 
Clarke, C. E., F Kielar, H. M. Talbot and K. L. Johnson. 2010. "Oxidative decolorization of acid azo dyes by a Mn oxide containing waste." Environmental Science and. Technology, 44, 116-1122..
 
Dowding, C. E. and M. V. Fey. 2007. "Morphological, chemical and mineralogical properties of some manganese-rich oxisols derived from dolomite in Mpumalanga province, South Africa." Geoderma 141: 23-33.
 
Dowding, C. E., M. J. Borda, M. V. Fey and D. L. Sparks. 2005. "A new method for gaining insight into the chemistry of drying mineral surfaces using ATR-FTIR." Journal of Colloid and Interface Science 292(1): 148-151.
 

Current Postgraduate Students
Name
Reckson Mulidzi
Degree PhD
Thesis Title The effect of wine effluent irrigation on soil properties
Current Status  

Name
Elsabe Cloete
Degree MSc
Thesis Title The geochemical evolution of metal sulphate brines within the Cu mining region of the Northern Cape
Current Status Started 2011

Name
Stephan le Roux
Degree MSc
Thesis Title The formation and stability of secondary Cu minerals within contaminated soils of the Okiep Copper District
Current Status Started 2011

Name
Olwethu Majodina
Degree MSc
Thesis Title Pedological and sedimentary genesis of the Vaalputs palaeosols
Current Status Started 2011