Sewage sludge was used as precursor to develop a potential inexpensive adsorbent by both simple drying and pyrolysis. The resulting materials were evaluated as adsorbents for the removal of 4-chlorophenol (4-CP) from aqueous solution. The dried biosolids showed a BET surface area lower than 3m 2 /g, which yield a maximum adsorption capacity of 0.73mmol 4-CP/g at pH 5.0 and 15°C. The carbonization...
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