초록 |
With the rapid development of the textile, printing and dyeing industry, dye wastewater emissions are increasing. Therefore, it is essential to remove the dye from wastewater stream and the adsorption method is straightforward and has been widely used in the treatment of pollutants in water and air. In the present study, we choose the silk sericin which is the by- product of silk industry as an activated carbon precursor. Sericin-derived activated carbon (S-AC) loaded alginate (S-AC/Alg) adsorbent was fabricated and used for the high performance methylene blue (MB) adsorption process. From the results, the prepared S-AC/Alg beads had the large BET surface area (1215.4 m2/g). Furthermore, S-AC/Alg exhibited excellent MB adsorption capacity (502.5 mg/g) and excellent regeneration efficiency. The natural polymer-derived biosorbents may serve as a cost-effective, eco-friendly adsorbent for the removal of MB from an aqueous solution. |