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03 October 2019 | Story Eugene Seegers | Photo Charl Devenish
Pieter Hoogenboezem
Pieter Hoogenboezem with his proud parents, dad Hans and mom Eldi, and Prof Francis Petersen, Rector and Vice-Chancellor of the UFS.


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At a gala event held on the University of the Free State (UFS) Bloemfontein Campus, on 28 September 2019, the top 14 entrants in the 39th UFS-Volksblad Matriculant of the Year competition were given an opportunity to share their vision with invited guests.

In his introductory speech, Pieter Hoogenboezem, deputy head boy of Pietersburg High School in Polokwane, Limpopo, said: “I think the Matriculant of the Year should strive to do their best in everything they attempt, and they should be good at communicating with others.” Pieter will be studying medicine at the UFS next year. He was crowned the winner of the 2019 Matriculant of the Year competition and also received the Sparkling Personality award, as decided by his fellow finalists. 

Pieter says of this achievement: “I am humbled and so blessed with the talents my heavenly Father has given me. I believe that the training and knowledge that I will receive at the UFS will empower me to make a worthwhile contribution to the medical field and society at large. It is going to be a great privilege for me to make Kovsies proud and to move others to become part of this university that promotes transformation, diversity, and inclusivity!”

Several other prizes were also awarded during the evening. Mandie de Wet from the Hoër Meisieskool Oranje in Bloemfontein walked away with the prize for best achievement in sport for her prowess on the hockey field, and Runé Edeling (Eunice High School) was rewarded for her accomplishments in dressage on a national level, as well as her extensive scientific knowledge and ability shown at the Eskom Expo, the Eskom Science Fair, and an international science expo in Arizona, USA. Each of these winners received R5 000 from the Kovsie Alumni Trust.

Dr Pieter Rademan, Matriculant of the Year 2009, had this to say to the finalists — many of whom will start studying next year to become doctors: “I’m delighted to see that so many here are interested in medicine; there is a desperate need for more doctors and good doctors in the country.” Using an example from the Norsemen, he told the matriculants: “Despite being shipbuilders and seafarers, the Vikings would set fire to their ships when they reached their destination.” He said this ensured that they would be motivated to overcome difficulties before rebuilding their vessels to continue the voyage. He exhorted: “Burn your ships! Calm seas do not make for good sailors. Get out of your comfort zone and get comfortable with being uncomfortable.”


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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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