South African Students Invent Bricks From Urine
25 October 2018 |
1:00 pm
Since the realisation that human activity is resulting in harm to the environment, there have been efforts made to address the issue and discover ways to ensure that the environment is protected. Two students in South Africa said they have invented bricks using human waste-urine. The students Vukheta Mukhari and Suzanne Lambert say the bricks…
Since the realisation that human activity is resulting in harm to the environment, there have been efforts made to address the issue and discover ways to ensure that the environment is protected.
Two students in South Africa said they have invented bricks using human waste-urine. The students Vukheta Mukhari and Suzanne Lambert say the bricks made is environmentally friendly.
Dr Dyllon Randall,Vukheta Mukhari and Suzanne Lambert Photo: BBC
The bricks were made from a combination of urine gotten from men’s toilets, sand and bacteria using a process that enables the bricks to cake naturally at room temperature.
According to them, an enzyme in the mixture of urine, sand and bacteria breaks down the urine to produce calcium carbonate – a major element in limestone-which makes it possible for the other materials mould together.
Usually, ordinary bricks are required to be baked in high-temperature kilns which produce high quantities of carbon dioxide.
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