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Study on the adsorption of lead(II)in wastewater by hazelnut shell powder

Linlin Lv, Xiaojun Jiang, HangWu, Tian Ai

In order to study the adsorption mechanism of hazelnut shell powder on Pb2+,This work studied on kinetic adsorption properties and isothermal adsorption property of Pb2+ in hazelnut shell powder, and the thermodynamic analysis was carried out. The results show that the Pseudosecond- order model is suitable for the adsorption of Pb2+ on HS, the maximum adsorption capacity obtained by Langmuir model is very close to the actual value, and maximum adsorption capacities were 65.66mg/g. The process of hazelnut shell powder adsorbent of Pb2+ was an exothermic process.