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In the present investigation, adsorbent activated charcoal was prepared from wood apple shell by chemical activation and used for Cr(VI) removal from aqueous solutions. Powdered wood apple shell was activated by acid H2SO4 and heat treatment in muffle furnace at 600°C for 2h. The specific surface area of prepared activated carbon was found to be 1898m2g−1. Batch adsorption studies reveal that the...