ENHANCING BIOADSORPTION EFFICIENCY OF PEANUT SKIN BASED ON PHYSICAL AND CHEMICAL ACTIVATION METHODS IN FE2+ ION REMOVAL USING COLUMN TECHNIQUE IN ARTIFICIAL WASTEWATER
DOI:
https://doi.org/10.29121/granthaalayah.v12.i3.2024.5553Keywords:
Heavy Metal Ions, Adsorption Method, Bioadsorbent, Percent RemovalAbstract [English]
In the interest of efficient heavy metal ion removal from water, various methods such as aeration, coagulation, filtration, sedimentation, and adsorption have been thoroughly investigated. Adsorption, specifically the column method with groundnut shell powder as a bio adsorbent, stands out as a practical, effective, and efficient approach. In this study, a fixed variable of 50 g adsorbent, a particle size of 35 mesh, and an initial adsorbate concentration of 100 ppm was used, along with a 10-liter adsorbate volume and a flow rate of 4 liters per minute. Sampling intervals of 0, 15, 30, 45, 60, 75, 90, 105, 120, 135, and 150 minutes were chosen, and the independent variables encompassed untreated adsorbents, physically activated adsorbents, and chemically activated adsorbents using 1N H2SO4 and 1N NaOH. The outcomes revealed that the adsorption of Fe2+ was notably influenced by the type of activator. The highest Fe2+ removal percentage, 55.90%, was achieved at 135 minutes, showcasing the efficacy of the bioadsorption process. Notably, the optimal bioadsorbent activation was attained using 1N NaOH. This study provides valuable insights into the dynamics of heavy metal ion removal, emphasizing the significance of bioadsorption with groundnut shell powder and underscoring the impact of specific activation methods on the efficiency of the adsorption process.
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