Desorption of banana peel was studied using 8 types of solvent medium including tape water, milli-Q water, distilled water, 0.1N H2SO4, 0.1N HCl, 0.1N HNO3, 0.1N NaOH and 0.1 N CH3COOH. For this purpose, 0.5 g of saturated (with Cu) banana peel was taken in 100 ml of above mentioned medium and shaken at 120 rpm for 24 hr. 2