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University of the Free State students triumph in SDG Challenge 2023

03 November 2023 | Story André Damons | Photo SUPPLIED

SDG Competition 2023 — From left: Dr Brandon van Rooyen, Dr Anathi Makamane, Dr Yolandi Schoeman and Daniel Naudé participated and won the SDG Challenge South Africa. Pieter Bruwer is absent from the photo.

A team of exceptional students from the University of the Free State (UFS) has claimed victory in the prestigious SDG Challenge South Africa, a global competition that unites students and organisations to address the United Nations Sustainable Development Goals (UNSDGs). This remarkable achievement not only underscores the skill and dedication of UFS students but also reinforces their commitment to forging a more sustainable and equitable world.

The group of students from different disciplines within the Faculty of Natural and Agricultural Sciences (NAS), came up with an interdisciplinary and forward-thinking approach which contributed significantly to their victory. The team members, including Pieter Bruwer, Dr Anathi Makamane, Dr Brandon van Rooyen (all from Sustainable Food Systems and Development), Daniel Naudé (Department of Agriculture Economics), as well as Dr Yolandi Schoeman (a postdoctoral fellow in the Centre for Environmental Management (CEM) from the Faculty of Natural and Agricultural Sciences, each brought their unique expertise to the challenge.

Prof Jan Willem Swanepoel, Associate Professor in the Department of Sustainable Food Systems and Development within the Faculty of Natural and Agricultural Sciences, provided invaluable mentorship to the team. The students were also supported by Robyn Mellett from OMI Solutions.

Dr Schoeman says the SDG Challenge, designed to confront global challenges, connects students and organisations from across the globe, fostering collaboration towards achieving the UNSDGs, which encompass critical issues such as climate change and the reduction of global inequalities. Teams from South African universities, including the University of Cape Town, Stellenbosch University, and the University of KwaZulu-Natal, partnered with leading companies to address specific challenges tied to their corporate missions.

Develop a waste management strategy

Team UFS joined forces with Ivanhoe Mines, a prominent mining company operating in the Democratic Republic of Congo to develop a waste management strategy for the Kamoa-Kakula Copper Complex. This endeavour was laden with complexities due to the limited waste management options available in the area. The challenge was not just about managing multiple waste streams from the mining complex, but also about addressing socioeconomic and biodiversity challenges stemming from the burgeoning population in the region, which led to a range of environmental concerns.

“In response, the UFS team innovatively conceived ÉcoFlotille, a solution that not only tackled essential waste management issues but also promoted biodiversity net gain. The plan extended its reach to support local agribusinesses and small and micro-enterprises through the repurposing and reuse of waste materials, while presenting a unique biofinancing opportunity. The EcoFlotille solution represents a distinctive aspect of their triumphant journey.

“ÉcoFlotille not only aligns with the SDGs but also plays a crucial role in realising the vision of the Kunming-Montreal Global Biodiversity Framework, which emphasises the conservation and sustainable use of biodiversity. Additionally, it aligns with the goals of Agenda 2063 for Africa, striving to advance the continent’s development objectives and create a prosperous and harmonious future for the region,” says Dr Schoeman.

The scalability of ÉcoFlotille across Africa holds great promise. Its innovative waste management approach and biofinancing potential could serve as a model for addressing similar challenges in diverse regions of the continent. This opens up opportunities for wider adoption and positive impacts throughout Africa.

Creating a more sustainable and equitable world

The SDG Challenge South Africa is an integral part of Soapbox’s global mission to mobilise university students and organisations in working collaboratively toward the UNSDG. These goals aim to address the world’s most pressing challenges, requiring collective efforts to achieve sustainable economic growth, environmental sustainability, and social inclusion by 2030.

The UFS’s remarkable success in the SDG Challenge not only highlights the university’s dedication to fostering global citizenship and sustainability but also underscores the remarkable potential of its students in driving positive change in Africa and the world.

According to Dr Schoeman, the UFS team’s victory in the SDG Challenge stands as a testament to their unwavering commitment to creating a more sustainable and equitable world. Their innovative solution, ÉcoFlotille, serves as a beacon of hope, illustrating how the vigour and ingenuity of the younger generation can propel us closer to realising the UNSDG by 2030, effectively ticking all 17 SDG boxes.

Solving a real-world problem

Prof Swanepoel says the SDG Challenge is a global competition that unites students and organisations to address the UNSDGs. These goals encompass some of the most pressing challenges facing our world today, such as climate change, poverty, and inequality.

According to him, by participating in the SDG Challenge, the UFS students had the opportunity to apply their knowledge and skills to solve a real-world problem experienced by one of the biggest mining houses in the world. They gained valuable experience in collaborating with the private sector.

“I am immensely proud of the students' achievement in the prestigious Soapbox SDG Challenge South Africa. Their interdisciplinary approach and forward-thinking mindset are a testament to the calibre of education and mentorship they receive at the UFS,” Prof Swanepoel says.

“Furthermore, I am confident that the skills and experience gained through the SDG Challenge will help the students to make a positive impact on the world. They are the next generation of leaders who will be responsible for addressing the complex social and environmental challenges Africa face. I also believe that coming out as victors in this competition would open more doors for them and the university in the private sector.”

News Archive

Carbon dioxide makes for more aromatic decaffeinated coffee

2017-10-27

The Inorganic Group in the Department of Chemistry
at the UFS is systematically researching the utilisation
of carbon dioxide. From the left, are, Dr Ebrahiem Botha,
Postdoctoral Fellow; Mahlomolo Khasemene, MSc student;
Prof André Roodt; Dr Marietjie Schutte-Smith, Senior Lecturer;
and Mokete Motente, MSc student.
Photo: Charl Devenish

Several industries in South Africa are currently producing hundreds of thousands of tons of carbon dioxide a year, which are released directly into the air. A typical family sedan doing around 10 000 km per year, is annually releasing more than one ton of carbon dioxide into the atmosphere.

The Inorganic Chemistry Research Group in the Department of Chemistry at the University of the Free State (UFS), in collaboration with the University of Zurich in Switzerland, has focused in recent years on using carbon dioxide – which is regarded as a harmful and global warming gas – in a meaningful way.

According to Prof André Roodt, Head of Inorganic Chemistry at the UFS, the Department of Chemistry has for the past five decades been researching natural products that could be extracted from plants. These products are manufactured by plants through photosynthesis, in other words the utilisation of sunlight and carbon dioxide, nitrogen, and other nutrients from the soil.

Caffeine and chlorophyll
“The Inorganic group is systematically researching the utilisation of carbon dioxide. Carbon dioxide is absorbed by plants through chlorophyll and used to make interesting and valuable compounds and sugars, which in turn could be used for the production of important new medicines,” says Prof Roodt.

Caffeine, a major energy enhancer, is also manufactured through photosynthesis in plants. It is commonly found in tea and coffee, but also (artificially added) in energy drinks. Because caffeine is a stimulant of the central nervous system and reduces fatigue and drowsiness, some people prefer decaffeinated coffee when enjoying this hot drink late at night.

Removing caffeine from coffee could be expensive and time-consuming, but also environmentally unfriendly, because it involves the use of harmful and flammable liquids. Some of the Inorganic Group’s research focus areas include the use of carbon dioxide for the extraction of compounds, such as caffeine from plants.

“Therefore, the research could lead to the availability of more decaffeinated coffee products. Although decaffeinated coffee is currently aromatic, we want to investigate further to ensure better quality flavours,” says Prof Roodt.

Another research aspect the team is focusing on is the use of carbon dioxide to extract chlorophyll from plants which have medicinal properties themselves. Chemical suppliers sell chlorophyll at R3 000 a gram. “In the process of investigating chlorophyll, our group discovered simpler techniques to comfortably extract larger quantities from green vegetables and other plants,” says Prof Roodt.

Medicines
In addition, the Inorganic Research Group is also looking to use carbon dioxide as a building block for more valuable compounds. Some of these compounds will be used in the Inorganic Group’s research focus on radiopharmaceutical products for the identification and possibly even the treatment of diseases such as certain cancers, tuberculosis, and malaria.

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