Abstract
Heating rate and nitrogen gas flow rate were found to be influencing carbonization process. Lowering the heating rate from 30 to 10°C/min has resulted in the increase of Brunauer–Emmett–Teller (BET) surface area of the adsorbent from 398.23 to 555.53m2/g; the percentage of color removal and COD reduction of Rhodamine B dye have also increased from 27.59 to 99.11% and 25.77 to 98.62%, respectively. The adsorbent prepared under 100cm3/min nitrogen flow rate exhibits higher efficiency than that at 500cm3/min. The carbonization process has efficiently increased the BET surface area of the raw adsorbent by 99.35%.
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