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01 September 2025 | Story Martinette Brits | Photo Supplied
Engineering
From 2026, the University of the Free State (UFS) will offer its first four-year Bachelor of Engineering (BEng) in Agricultural and Biosystems Engineering, alongside new MSc and PhD programmes in Ecological and Nature-based Engineering Sciences – preparing graduates to address sustainability challenges in food, water, energy, and the environment.

For the first time, the University of the Free State (UFS) will be offering a full four-year engineering degree. From 2026, the Faculty of Natural and Agricultural Sciences will present the Bachelor of Engineering (BEng) in Agricultural and Biosystems Engineering, alongside new PhD and MSc degrees in Ecological and Nature-based Engineering Sciences – the first postgraduate qualifications of their kind on the African continent. Together, these programmes strengthen the university’s role in addressing some of the world’s most pressing and complex sustainability challenges.

Louis Lagrange, BEng Project Manager, describes the new undergraduate degree as a milestone for the university: “It will be the first full engineering degree presented by the UFS, and it directly targets the pressing water–food–energy nexus. It combines hard-core engineering and precision farming digital skills with the living world of biosystems to develop regenerative and environmentally sustainable food production systems.”

The BEng degree is endorsed by the Engineering Council of South Africa (ECSA) and approved by the South African Qualifications Authority (SAQA). It is designed to prepare students for the full agricultural engineering design process – from identifying and evaluating challenges, to designing, implementing, and testing sustainable solutions. Students will also be able to specialise through electives in animal production, horticulture, or open land crop production.

Lagrange explains that the programme offers students hands-on engagement from the start. “They will gain experience in agricultural mechanisations such as drones and GIS, water and irrigation systems, soil and environmental stewardship, renewable energy including solar and biofuels, precision agriculture, data-driven smart farming, and food processing.”

BEng graduates will be well positioned for diverse careers, ranging from agricultural/biosystems engineer, irrigation and water resource engineer, smart farming specialist, and food processing engineer to roles in mechanisation, soil conservation, animal husbandry, and energy conversion. Employers include agribusinesses, consulting engineers, environmental firms, government agencies, and research organisations. 

According to Dr Jacques Maritz, Head of Engineering Sciences, “Our BSc, MSc, and PhD graduates will be uniquely positioned as ecological engineering scientists who can also branch out to advanced sustainability analysts, computational sustainability professionals, or nature-based complexity scientists who will have the future-proof skill of solving complex sustainability challenges in interdisciplinary teams by using some of the most advanced technology.  On the horizon – an NQF 8 postgraduate diploma (PGDip) in Ecological and Nature-based Engineering Sciences to academically link undergraduate students to postgraduate studies.”     

 

Postgraduate degrees: advancing ecological engineering

Alongside this undergraduate development and the existing BSc specialising in Physics with Engineering Subjects, the UFS is also introducing new postgraduate degrees in Ecological and Nature-based Engineering Sciences. “These are the first qualifications of their kind on the African continent and are endorsed by the International Ecological Engineering Society (IEES) and the Ecological Engineering Institute of Africa (EEIA),” explains Dr Maritz.   

Dr Maritz explains: “Ecological engineering applies ecological and complexity science principles to design and restore sustainable ecosystems that integrate human society with the natural environment. These programmes will also strengthen work-integrated learning at the UFS, preparing graduates to address climate resilience, scientifically led biodiversity restoration, pollution remediation through data-driven interventions, and sustainable complex systems development.”

The postgraduate programmes are linked to the UFS’ growing research agenda, which includes plans for a biomass production facility at the UFS Industrial Park to advance scientific circular economy solutions, sustainable energy, and bio-inspired technologies. They also engage with cutting-edge fields such as extreme ecological engineering – creating new ecological functionality in severely degraded environments – and industrial ecological engineering, which reimagines the built environment through green construction materials, circular economy practices, and innovations such as 3D-printed green concrete.

Both Lagrange and Dr Maritz emphasise that these qualifications reflect the UFS’ Vision 130 commitment to being research-led, student-centred, and regionally engaged. They agree that the new programmes are ideally suited for students who want to combine engineering, science, and nature with emerging technologies, while pursuing careers that make a real impact on sustainability in South Africa and beyond.

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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