Mane P. C, Bhosle A. B, Deshmukh P.D, Jangam C. M
The activated carbon produced from tendu (Diospyros melanoxylon) leaf refuse (TLR) was chemically activated using sulfuric acid and utilized as an adsorbent for the removal of chromium ion (VI) from aqueous solution in the concentration range 50 – 250 mg/L. Adsorption experiments were carried out in a batch process and various experimental parameters such as effect of contact time, initial chromium ion concentration, carbon dosage and pH on percentage removal have been studied. Adsorption results obtained for activated carbon (CA-TLR) were compared with the commercial activated carbon (CA-CAC). Adsorption results obtained, shows that the Cr (VI) uptake being attained at pH 2. The equilibrium adsorption data was better fitted to the Langmuir’s and Freundlich adsorption models. It was concluded that activated carbon produced from tendu leaf refuse (CA-TLR) has an efficient adsorption capacity compared to (CA-CAC) sample.
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