Removal of Copper Ion From Aqueous Solution Using Biosorbent Derived from Banana Pseudo Stem
Abstract
This study investigated the potential of banana pseudo stem to remove copper ion from aqueous solution. The raw banana pseudo stem was washed, cut, dried and ground into powder to convert it into biosorbent. Batch copper adsorption experiments were performed in order to determine the optimum condition of the parameter. The influence of copper ion adsorption parameters including initial copper ion solution concentration (100 - 350 mg/L), adsorbent dosage (0.1 g - 0.6 g), pH (2 - 10), contact time (60 - 270 min) and temperature (30
– 60 °C) were evaluated. According to the batch experiment, the optimum value was found as initial copper ion concentration at 300 mg/L, adsorbent dosage at 0.1 g, solution pH at 8, contact time at 210 min and temperature of 55 °C. The removal efficiency of copper ion using banana pseudo stem was achieved more than 99 % at optimized conditions of influential parameters. Therefore, banana pseudo stems are potentially to be utilized as a new biosorbent material in the removal of copper from water due to high adsorption efficiency and low cost.
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