The research on the adsorption effect on metal ions by immobilized marine algae

被引：0
|
作者：
Xian, X [1 ]
Qiu, HY [1 ]
Cai, ZZ [1 ]
Chen, LD [1 ]
Meng, SH [1 ]
Huang, ZW [1 ]
机构：
[1] Xiamen Univ, Coll Oceanog & Environm Sci, Xiamen 361005, Peoples R China
来源：
ACTA OCEANOLOGICA SINICA | 2006年 / 25卷 / 02期
关键词：
marine algae; desorption effect; metal ion; immobilization;
D O I：
暂无
中图分类号：
P7 [海洋学];
学科分类号：
0707 ;
摘要：
The process of adsorption of Cu2+, Cd2+ by immobilized marine algae was investigated. It can be noted from the results that, the process for biosorption of heavy metals (copper, cadmium) by immobilized Laminaria japonica can be described by the Banerm model. According to the model, the adsorption rate constant calculated was 0.107 8 and 0.030 28 min(-1) for Cu2+ and Cd1+ respectively. The experimental biosorption equilibrium data for Cu2+ and Cd2+ were in good agreement with those calculated by the Langmuir model. The maximum uptake capacity calculated was 83.3 and 112.4 mg/g for Cu2+ and Cd2+ according to the Langmuir model, respectively. The appetency of Lumnaria japonica to Cu2+ was better than Cd2+.
引用
收藏
页码：153 / 158
页数：6
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