Adsorptive Removal of Toxic Metal from Aqueous Solution by Using a Biowaste -Used Tea Leaves
Keywords:amination, biosorbent, cadmium, Langmuir isotherm
In the present work an efficient and cost-effective biosorbent was prepared by chemical modification of tealeaves. Amine-functional group was introduced on the surface of adsorbent using dimethylamine. The adsorbent was characterized by SEM, FTIR and elemental analysis. The adsorption capacity of the adsorbent for Cd (II) was determined as the function of pH of the solution, concentration of metal ions and contact time. The maximum adsorption was found to be 77 mg/g at pH 6.
Nepal Journal of Science and Technology Vol. 13, No. 2 (2012) 109-114DOI: http://dx.doi.org/10.3126/njst.v13i2.7722
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