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Activated carbon has been developed using different techniques and activating agents. The activation of carbon is done using different chemical, physical, and bio activating agents. This activating agent gives various outcomes of the activated carbon depending on the structure of the cursor used. The increase in population has also brought about a significant increase in waste generated. In this work, we were able to produce activated carbon from African star apple seed using the seed, husk, and shell. This work was carried out using a furnace at 500 C. The carbon produced was then activated using different concentrations of Phosphoric acid (H 3 PO 4 ), which are 0.2M, 0.4 M, 0.6 M, 0.8 M and 1.0 M. Whole seed which was impregnated with 0.2 M gave the highest yield of 87.192%. The amount of activating agent used did not determine the yield.

Effect of varying concentrations on the yield of activated carbon produced from African star apple