Director: Research & Development Koch-Glitsch, Wichita, USA September 2003 to present
Professor, Associate Professor, Senior Lecturer Department of Process Engineering, Stellenbosch University April 1995 to August 2003
Senior Process Engineer, Senior Process Engineer Grade I SASTECH (Division of SASOL LTD.) November 1993 to March 1995
Design Engineer Universal Oil Products (UOP), Chicago, USA October 1992 to October 1993
Senior Process Engineer, Process Engineer, Assistant Process Engineer SASTECH (A division of SASOL LTD.) March 1989 to October 1992
Research Assistant University of Stellenbosch, Chamber of Mines Contract January 1987 to February 1989
Honours & Awards
2012: Koch Industries Environmental, Health & Safety Excellence award.
2002: Alexander von Humboldt Stipend to do research in Germany.
2001: Listed in Marquis Who’s who in Science and Engineering.
2001: DAAD Scholarship to do research in Germany.
2001: Ad hominen promotion to Full Professor on the basis of research outputs.
2000: University of Stellenbosch Lecturer of the year award for excellence in undergraduate teaching.
1999: Ad hominem promotion to Associate Professor on the basis of research outputs.
1999: Awarded University of Stellenbosch medal as one of the researchers of the year.
1993: Sent to USA by Sasol on basis of being identified as an engineer with good potential.
1992: Sastech (Sasol) award for technical achievement in developing extractive distillation processes.
Research Interests
Distillation and extraction
Solvent driven separations
Supercritical fluid processing
Thermodynamics
Selected Publications
Du Rand, M., Nieuwoudt, I., Schwarz, C.E. & Knoetze, J.H. 2012, “A practical equation of state for non-spherical and asymmetric systems for application at high pressures. Part 1: Development of the pure component model”, Canadian Journal of Chemical Engineering, vol. 90, no. 3, pp. 584-596.
Du Rand, M., Nieuwoudt, I., Schwarz, C.E. & Knoetze, J.H. 2012, “A practical equation of state for non-spherical and asymmetric systems for application at high pressures. Part 2: Extension to mixtures”, Canadian Journal of Chemical Engineering, vol. 90, no. 3, pp. 597-611.
Nieuwoudt, I. 2011, “Exploiting the synergy between liquid extraction and other solvent driven separations”, 11AIChE – 2011 AIChE Annual Meeting, Conference Proceedings.
Nieuwoudt, I. 2011, “Tray efficiency of SUPERFRAC(TM) high-performance trays in C2 splitter service”, Hydrocarbon Asia, Apr-Jun 2011, pp. 64-68.
Nieuwoudt, I. & Quotson, P. 2011, “INTALOX ULTRA random packing – Pushing the envelope”, 11AIChE – 2011 AIChE Spring Meeting and 7th Global Congress on Process Safety, Conference Proceedings.
Schwarz, C.E., Nieuwoudt, I. & Knoetze, J.H. 2010, “Additional pilot plant measurements with incorporation of reflux for the fractionation of wax derivatives with supercritical propane”, Industrial and Engineering Chemistry Research, vol. 49, no. 9, pp. 4462-4467.