A group of apprentices in South Africa has recently developed a unique and world’s first and foremost bio-brick made from human urine. The pioneers behind this task hail from Cape Town. The basic idea behind coming up with such an out of the box thinking is to go green and help save the environment.
The bio-brick was made using the male urinals and sand plus bacteria. This specially designed brick can be molded even at room temperature instead of the traditional need for high-temperature kilns. One of the major factors is that the process can prove to be a plus point by producing by-products such as potassium and nitrogen which are commonly used as commercial fertilizers. The use of human waste for multiple product building is an inspiration for the researchers willing to make use of any waste stream for a new product manufacturing process. As per Dr. Dyllon Randall, this is no doubt a breakthrough the construction industry has been waiting for owing to the monetary benefits.
The bio-bricks’ concept is nothing new as it had earlier been made using synthetic products by the US students. However, the use of human waste is an advantage in terms of quantity and by-product release during the manufacturing process. The microbial carbonate precipitation is the method used to build the bio-bricks through a natural technique similar to that of the seashells formation. The sand is a house for the urease producing bacteria that break urea followed by calcium carbonate formation which aids sand cementing into specific shapes. The basic use of urine is to obtain a commercial fertilizer from it along with the bio-brick construction. This research paves way for a possible sustainable construction material. A study by Indiana University researchers to save energy and reduce greenhouse gases by introducing a new brewing process for sustainable beer production is something the US beer lovers are willing to pay for as well. The solar panels, insulated brewing vessels, installed onsite wastewater treatment plants, and recaptured steam from the brewing process along with the use of exotic brewing using yeast cultures are some ways of energy-saving practices.
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