Removal of Lead from Aqueous Solution by Sewage Sludge Carbon Adsorbent
The capacity of sewage sludge carbon (SSC) for the removal of lead ion from aqueous solution has been studied under different conditions,namely SSC particle size,initial pH,initial Pb2+ ion concentration and solution temperature.The results show that equilibrium data obtained fit the Langmuir adsorption isotherms,this SSC is an efficient adsorbent for removing lead ion.The finer the SSC particle used,the higher the metal adsorption capacity.An initial solution pH ≥4.5 is favourable for obtaining high metal removal.
Zhong Cao, Xueqiang Cao, Lixian Sun, Yinghe He
C. B. Xia et al., "Removal of Lead from Aqueous Solution by Sewage Sludge Carbon Adsorbent", Advanced Materials Research, Vols. 239-242, pp. 1866-1869, 2011