Adsorption characteristics of organic substances on sewage sludge-based adsorbent (SBA) were tested comparing with those on powder activated carbon (PAC). The removal efficiencies of carbohydrate, lipid and protein on SBA with the adsorbent dosage of 4g L–1 are 82.09%, 97.10% and 52.24%, which are 1.07, 1.10 and 1.81 times those of PAC, respectively. The maximal total Chemical Oxygen Demand (COD) adsorption capacity on SBA from carbohydrate-lipid-protein-ternary solution is 94.83 mg g–1, which is 1.19 times that of PAC. X-ray photoelectron spectroscope (XPS) analyses show that O, Si, Ca and Fe elements, etc. on SBA surface promote the adsorption of organic substances.
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