Banana waste can now become a sustainable fuel source
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Hundreds of countries around the world grow bananas. For each pound of edible banana, about ten pounds of plant material goes to waste. After a banana tree flowers and produces fruit, the entire main shoot dies. These tons of waste caught the attention of researchers at Nottingham University. Joel Chaney, a PhD student from the University of Nottingham came up with the idea of developing a low-tech approach to turn this banana waste into an efficient fuel source. He used banana skins to create briquettes that burn slowly like hardwood.
Chaney became aware of the tons of banana waste while in Rwanda and brought his concerns back to the Nottingham University engineering lab. He developed a low-tech application. He mixes banana peels with sawdust and compacts the mixture into a brick. After about two weeks of drying time, the green, ahem, yellow fuel is ready for use.
Some of the biggest banana-producing countries like Rwanda, Tanzania and Burundi, met more than 80% of their energy needs by burning wood. This low-tech solution could create industry in developing countries and help to reduce poverty as well as prevent deforestation. Additionally, many women in developing countries spend up to six hours a day gathering wood. Many women are forced to move through unsafe areas while trying find fuel for their families. Researches say they are happy to give the idea away for free and encourage people who would like to use their idea to contact them.