Recent study be a team of scientists from Brazil demonstrated the possibility of using banana peels to treat water contaminated by copper, lead and other heavy metal ions.Other natural waste materials such as sugar cane bagasse (the fibrous material left over after sugar cane has been crushed), peanut shells and apple waste could also be used as alternative materials in the treatment process. The principle is based on the affinity of the banana contents towards retaining heavy metal ions.
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