铜（II）和锌（II）在欧洲赤松上的生物吸附
Copper(II) and zinc(II) biosorption on Pinus sylvestris L.
作者信息
Ucun Handan, Aksakal Ozkan, Yildiz Ergun
机构信息
Department of Environmental Engineering, Engineering Faculty, Atatürk University, Erzurum 25240, Turkey.
出版信息
J Hazard Mater. 2009 Jan 30;161(2-3):1040-5. doi: 10.1016/j.jhazmat.2008.04.050. Epub 2008 Apr 22.
The biosorption properties of copper(II) and zinc(II) onto a cone biomass of Pinus sylvestris L. was investigated by using batch techniques. The biosorption studies carried out with single metal solutions. The removal of copper(II) and zinc(II) from aqueous solution increased with pH and sharply decreased when pH of the solution was decreased. The maximum biosorption efficiency of P. sylvestris was 67% and 30% for Cu(II) and Zn(II), respectively. Batch kinetic and isotherm of biosorption metal ions were investigated. The second-order kinetic model was used to correlate the experimental data. The Freundlich and Langmuir model can describe the adsorption equilibrium of metal(II) on cone biomass. The biosorption constants were found from the Freundlich and Langmuir isotherms at 25 degrees C. It is found that the biosorption data of metals on cone biomass fitted both the Freundlich and Langmuir adsorption models.
采用分批技术研究了铜（II）和锌（II）在欧洲赤松球果生物质上的生物吸附特性。生物吸附研究是在单一金属溶液中进行的。水溶液中铜（II）和锌（II）的去除率随pH值升高而增加，当溶液pH值降低时急剧下降。欧洲赤松对Cu（II）和Zn（II）的最大生物吸附效率分别为67%和30%。研究了生物吸附金属离子的分批动力学和等温线。采用二级动力学模型关联实验数据。Freundlich模型和Langmuir模型可以描述金属（II）在球果生物质上的吸附平衡。在25℃下从Freundlich和Langmuir等温线得出生物吸附常数。发现金属在球果生物质上的生物吸附数据符合Freundlich和Langmuir吸附模型。
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