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This study involved investigating the adsorption potential of biochar prepared from banana peel for the removal of copper ($$\hbox {Cu}^{2+})$$ Cu2+) and lead ($$\hbox {Pb}^{2+})$$ Pb2+) . Process parameters for batch adsorption including contact time, pH, adsorbent dose, and initial metal concentrations were optimized. The time at which the equilibrium adsorption was attained was recoded as 30 min...
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