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17 April 2018 Photo Johan Roux
Be an ambassador for hope - Miss Deaf SA Chantelle Pretorius
Chantelle Pretorius, Miss Deaf South Africa 2017/2018, spoke at the April graduation at the UFS Bloemfontein Campus. Spotlight photo: Rulanzen Martin
Chantelle Pretorius, Miss Deaf South Africa 2017-2018, delivered a speech filled with hope at the University of the Free State’s (UFS) Faculty of Education April graduation ceremony.

“In the words of Tata Nelson Mandela, education is the most powerful weapon you can use to change the world,” said Chantelle.
 
A journey filled with triumph 
Chantelle’s journey to becoming a UFS graduate and foundation-phase teacher at Barkly East Primary School in the Eastern Cape is an inspirational one. When she became a UFS student in 2012, she showed promise on the football field and represented the university’s first football team from 2013 to 2015. She graduated with a BA in Education in 2015.
 
“Each person will experience the journey of life differently, but when we let our light shine, we unconsciously allow others to do the same,” said Chantelle. She encouraged the graduates by reminding them there is no obstacle too big to overcome.
 
No discrimination and people-centred university
“I am honoured to stand here today, before you all, as an ambassador for hope. I have never focused on my weaknesses but rather on my strengths. I pushed myself to be a better person in life and I am thankful that I had the opportunity to obtain a degree from the UFS, even though I am a deaf person. The university does not discriminate against anybody with a disability. So I salute this institution for allowing me to make my dream of becoming a graduate come true,” said Chantelle.

Pillars of strength and inspiration
She reminded the graduates that teaching was about being a pillar of strength and inspiration to the children they will teach. Chantelle said success did not happen overnight and that the graduates would need to live life with the right approach. She encouraged them to be enthusiastic, positive and motivated teachers. “Be the teacher that touches the lives and hearts of the children you teach because in the end, it is not what you say that matters but rather how you made the child feel, that will be remembered,” she said. 

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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