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Are you cautious enough on the roads?

18 April 2019 | Story Valentino Ndaba

Be Safe on road — Be safe on the roads: Prevention is better than a hospital ward or coffin.

Safety starts with you, non-compliance ends you. A traffic spike over the Easter holidays does not justify disobeying road rules. The university is counting on all students, both drivers and pedestrians, to continue prioritising safety on the roads.

Don’t be a statistic, take responsibility
The 2018 Preliminary Easter Road Safety Report issued by the Department of Transport, indicated that most accidents were caused by irresponsibility. “In 2018, human factor contributed 89,5% to crashes as compared to the 74,3% in 2017. The number of jay-walking pedestrians killed on our roads also increased to 38% as compared to 25,2% in 2017,” said Minister of Transport, Blade Nzimande.

The university implores you to play a role in reducing these numbers in 2019.

On driving and cellphones
According to Arrive Alive, the use of communication devices while driving is prohibited. “No person shall drive a vehicle on a public road while holding a cellular or mobile telephone or any other communication device in one or both hands or with any other part of the body, unless such a device is affixed to the vehicle or is part of the fixture in the vehicle.”

Pedestrian duties
Pedestrians are encouraged to practice caution when using sidewalks and while crossing the road. When walking, face oncoming traffic and pay attention to traffic signs so as not to constitute a source of danger to yourself or to traffic.

Safe speed saves lives
A general speed limit of 60 kilometres per hour shall apply to all public roads within urban areas, 100 kilometres per hour on public roads, and 120 kilometres per hour on freeways. Abide by these speed limits, unless stated otherwise by traffic signs.

More tips on drunken driving, wearing seat belts, and other aspects of road safety are easily available on the Arrive Alive website.

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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