Abstract
A new biosorbent prepared by using garlic peel as the raw material was investigated for the removal of methylene blue (MB) from aqueous solution. Results showed that adsorption of MB on garlic peel gel was highly pH-dependent, and equilibrium was attained in 10 min. The adsorption capacity is 440 mg MB per gram of garlic peel gel. The column adsorption results show that MB can be completely removed from aqueous solution, and 1.0 M HCl is effective to elute the adsorbed MB off the column and condense the initial MB solution to more than 40 times. The prepared garlic gel exhibits as a potential low-cost and effective adsorbent for dyes removal from waste water.
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