Hyderabad:A live demonstration at Osmania University showed how common waste like coconut shells could be turned into a useful material for farming using a simple method.
The session was conducted by the department of chemical engineering at University College of Technology (UCT), Osmania University, as part of a BTech project by student Dinesh under a “waste to wealth” research initiative guided by Dr Sadam Ilaiah.
The team used a Kon-Tiki kiln to convert coconut shells into biochar. The process involves heating biomass in a low-oxygen environment so that it does not burn completely, but turns into a carbon-rich material. “This is a simple technique that can be used outside labs as well, especially in rural areas,” Dr Ilaiah said.
During the demonstration, coconut shells were added layer by layer over a bed of hot embers. The gases released during the process burn at the top, which helps reduce smoke. Unlike open burning, this method keeps most of the carbon in solid form. The final product, biochar, is a porous material that can improve soil quality.
“It helps soil hold water better and reduces the need for chemical fertilisers. It can also help store carbon,” the team explained. The method is seen as useful for farmers and small-scale users who regularly deal with agricultural waste.
The demonstration was supported by Sree Engineering Works and Dr V Anil Kumar, who provided the Kon-Tiki kiln. Laboratory staff, including Rahul, also assisted in carrying out the process. The session focused on showing how a simple way of handling waste can be turned into something useful for agriculture.
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