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12 August 2021 | Story Leonie Bolleurs | Photo Supplied
Tinus Viljoen (second from the left) is responsible for waste management at the university. Here he is pictured at the new chemical waste facility on the western side of the Bloemfontein Campus. With him, on his left, is Nico Janse van Rensburg, Senior Director, University Estates; Prof Danie Vermeulen, Dean of the Faculty of Natural and Agricultural Sciences; and on the far right is Benedict Mochesela, officer at University Estates.

A new chemical waste facility on the western side of the Bloemfontein Campus started functioning in July 2021 and will enhance the safe storage of hazardous materials on campus.

Since the safety of its staff and students are a key priority for the university, as stipulated in its strategic plan, a facility such as this plays an essential role in reducing any health risks and even the possibility of an explosion.

Tinus Viljoen, a Lecturer in the Department of Genetics, concurs that this facility makes the university a safer place because there are less toxic and flammable waste lying around in the labs. 

Besides his role as lecturer, he is responsible for waste management, including the collection of hazardous waste internally, classifying it, and arranging for it to be collected by accredited waste companies. 

A safer space

Waste previously stored in the Genetics Building is now kept at the new facility. Viljoen is of the opinion that this new space is safer because fewer students and staff have access to the western campus. “The chemical waste tends to smell, and on this part of the campus it is out of the way,” he says.

He also says that it helps to have a central place to store the waste, because of logistical reasons. “It makes the overall waste management easier.”

It is mainly inorganic and organic liquid/solid waste, contaminated glass, contaminated solids (e.g., filter paper and gloves), acid waste, and expired chemicals that are stored at the facility. 

This facility makes the university a safer place because there are less toxic and flammable waste lying around in the labs. – Tinus Viljoen

Adhering to legislation

He explains that he is notified by departments in the Faculty of Natural and Agricultural Sciences when they have waste to collect and that he then collects it on Fridays.

Viljoen continues: “The chemical waste is then classified according to the various waste streams and stored in large 210 l drums. When the drums are full, I contact an accredited hazardous waste company to remove, transport, and dispose of the various waste according to strict legislation, constituting the National Environmental Management Act (Act 107 of 1998), the National Environmental Management: Waste Act, 2008 (Act 59 of 2008), the Hazardous Substances Act (Act 5 of 1973), and the National Road Traffic Act, 93 of 1996 (NRTA).”

“The majority of the waste is transported to a hazardous landfill in Gauteng and the rest are incinerated,” he concludes. 

News Archive

Medical team performs first hybrid procedure in the Free State
2014-12-08

The days when a heart operation meant hours in an operating theatre, with weeks and even months of convalescing, will soon be something of the past.

A team of cardiologists from the University of the Free State’s (UFS) Faculty of Health Sciences once again made medical history when they performed the first hybrid procedure in the Free State.

The Department of Paediatric Cardiology, in conjunction with the Department of Cardiothoracic Surgery, performed this very successful procedure on a 45-year-old woman from Kuruman.

During the procedure of 30 minutes, the patient’s thorax was opened up through a mini thoracotomy to operate on the beating heart.

“The patient received an artificial valve in 2011. Due to infection, a giant aneurism developed from the left ventricle, next to the aorta. Surgery would pose a very high risk to the patient. Furthermore, her health was such that it would contribute to problems during open-heart surgery,” explains Prof Stephen Brown, Head of the UFS’s Department of Paediatric Cardiology.

“After the heart was opened up through a mini thoracotomy, the paediatric cardiologists performed a direct puncture with a needle to the left ventricle cavity. A Special sheath was then placed in the left ventricle to bypass the catheters. Aided by highly advanced three-dimensional echocardiography and dihedral X-ray guidance, the opening to the aneurism, located directly below the artificial aorta valve, was identified and the aneurism cannulated.”
 
During the operation, a special coil, called a Nester Retractor, was used for the first time on a patient in South Africa to obtain stasis of extravasation and ensure the stability of devices in the aneurism.

“This is highly advanced and specialist work, as we had to make sure that the aneurism doesn’t rupture during manipulation and the devices had to be positioned in such a way that it doesn’t cause obstruction in valve function or the coronary artery. The surgical team was ready all the time to switch the patient to the heart-lung machine should something go wrong, but the procedure was very successful and the patient was discharged after a few days.”

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