Synthesis and Characterization of a Bio Waste Material as an Effective Low-cost Adsorbent



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Submitted Jun 2, 2022
Published Jun 30, 2022
10.24018/ejeng.2022.7.3.2835

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Activated carbons are carbonaceous materials characterized by their large internal surface area, well-developed porous structure, and tunable surface-containing functional groups. Adsorption onto activated carbon has been found to be one of the most widely used methods for removing organic and inorganic contaminants from water due to its high adsorption capacity. Activated carbon has been synthesized from bio-waste materials of the plant Bambusa vulgaris. Physical activation was done by a thermal treatment which was followed by chemical activation using HNO3 and H3PO4 respectively. This is done in order to allow contaminants to be adsorbed on the surface area which depends upon the functional group and ions present on the surface of the activated carbon. Characterization includes pH, apparent density, Boehm titration, iodine number, proximate analysis, SEM studies, and FTIR studies. The synthesized adsorbent acts effectively thus proving that this activated carbon can be considered a good adsorbent for the removal of impurities from water.

Keywords: Activated carbon, Boehm titration, Iodine number, Surface area

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