Abstract
AbstractThe bacterial cellulose‐co‐polyacrylamide (BC‐PAAM) is successfully synthesized by radiation‐induced graft polymerization using gamma rays with the simultaneous technique. The optimum irradiation dose applied is 50 kGy and the mass ratio among acrylamide (AAm) and bacterial cellulose (BC) is 1:4. The sorption of aqueous Cu and Pb onto BC‐PAAM is investigated in the relation of pH 3 and 5. The heavy metal ions are applied as single during adsorption study. The sorption uptake of the metal ions by BC‐PAAM shows that the adsorption capacity is higher at pH of 5 compared to the adsorption capacity of pH 3, both for Cu and Pb metal ions. The adsorption capacity obtained in the condition of pH 5 is 20.88 and 81.79 mg g−1 for Cu and Pb, respectively. While the adsorption efficiency in pH 5 is 29.54% (for Cu) and 92.76% (for Pb). The adsorbent (before and after metal ions uptake) is characterized by Fourier transform infrared spectroscopy and differential scanning calorimetry.
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