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16 February 2022 | Story Leonie Bolleurs | Photo Supplied
Unique PhD Journeys
Prof Liezel Lues and her two doctoral students on graduation day. On the left is Dr Modeni Sibande, who is looking forward to ensuring that Public Administration and Management remains relevant to contemporary evolving issues in society. On the right is Dr Maréve Biljohn, who as a student has always shown commitment to do her best in every aspect of her PhD journey.

In nature, one often comes across cool and surreal phenomena. Experiencing rare happenings in the academia is an altogether different encounter. One that Prof Liezel Lues, Professor in the Department of Public Administration and Management at the University of the Free State (UFS), explains as winning the lottery.

Two of Prof Lues’ doctoral students – representing two different institutions – graduated in 2018. Four years later, on the exact same date, 1 March 2022, Drs Maréve Biljohn and Modeni Sibanda will take up their new positions, respectively as Head of the Department of Public Administration and Management at the UFS and Head of the Department of Public Administration at the University of Fort Hare.

 

Social innovation and service delivery

Dr Biljohn, currently Senior Lecturer in the department, did her thesis on the topic: Social innovation and service delivery by local government: a comparative perspective. With work experience in local government, Dr Biljohn had a good idea of the problems that underpin poor service delivery in this sphere of government.

Public participation in integrated development planning: a case study of Buffalo City Metropolitan Municipality, was the title of Dr Sibanda’s thesis. The study revealed how individuals and communities navigate forms of power and raise the critical consciousness of municipal residents, communities, and public officials.

According to Dr Sibanda, his study was motivated by the need to explore how public participation power dynamics influence Integrated Development Planning outcomes.

He believes by doing so, the complexity of how individuals and communities navigate forms of power in public participation platforms and spaces would be unravelled. Unravelling such public participation power dynamics, he says, would raise critical consciousness and address and challenge visible, hidden, and invisible forms of power on these public platforms and spaces. “Often public participation platforms and spaces neglect and ignore the capacity of such spaces to manage the pervasive, complex power dynamics among stakeholders in municipal strategic development planning processes. This focus to my PhD therefore sought to fill that knowledge gap,” adds Dr Sibanda.

Prof Lues says the value link to their research is buoyed in the South African Local Government. “They have both established a niche area that addresses the challenges South African municipalities face,” she adds.


“There is no doubt that they are suitable for the position of head of department at this point.”


Achieving a coveted status in their careers

On experiencing this unique journey, Prof Lues says: “Of all the relations, a relation between a promoter and a student is the most inspiring and admirable one. Any promoter takes the utmost pride when his/her taught students achieve coveted status in their respective careers. To me, it feels like winning the lottery – twice.”

News Archive

UFS venture cleans up acid mine drainage
2015-07-06

The system that puts oxygen back into the water.

Photo: Supplied

South Africa is one of the most important mining countries in the world, beginning in the 1870s. Although the mining industry has been responsible for significant development and employment, it pollutes the environment and waters sources. Through the joint effort of a well-known mining company, the University of the Free State, and the Technology Innovation Agency (UFS/TIA) SAENSE Group, a new treatment for Acid Mine Drainage (AMD) has been developed.

The system treats the major contaminants found in acid mining wastewater effectively.  
 
The UFS remediation systems use a reservoir tank into which the AMD is pumped. The water then flows passively (without using energy) to the Barium Carbonate Dispersed Alkaline Substrate (BDAS) system. The metals and anions in the AMD react chemically with the barium carbonate and precipitate (form solids). The solids stay in the tank while the clean water is released.

The efficacy and applicability of the research was demonstrated on site in Belfast, Mpumalanga where the team constructed a pilot plant in July 2014. This patented technology has treated 1 814 400 litres of Acid Mine Drainage to date with an outflow water quality that satisfies the South African National Standards (SANS) 241:2006 & 2011 regulations for drinking water.   

Rohan Posthumus from the (UFS/TIA) SAENSE Group said: “At this stage, we do not recommend that the water should be used as drinking water, but certainly it can lower water usage in mines while finding application in dust suppression of washing processes. The team would like to complete a full characterisation of the final released water. There are currently no toxic by-products formed, and even very basic filtration can make the outflow drinking water.”

Prof Esta van Heerden’s research group from the Department of Microbial, Biochemical, and Food Biotechnology has been working on AMD research for some time, but the development of the BDAS system was started in 2013 by post-doctoral student, Dr Julio Castillo, and his junior researcher, Rohan Posthumus.

The data from the BDAS system have led to two publications in peer-reviewed journals as well as a registered patent.

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