环境工程学报2013，Vol.7Issue(7)：2775-2780,6.
重金属离子在钠基膨润土中的吸附特征与机理
Adsorption characters and mechanisms of heavy metal ions in Na-bentonite
摘要
Abstract
Bentonite is a kind of natural clay mineral that possesses much larger specific surface area and adsorption capacity.The adsorption capacities of Na-bentonite in absorbing Cu2+,Zn2+ and Cd2+ were studied.The experimental results showed that the absorbability of the Na-bentonite increased with increasing concentration of metals ions,and were found to have selectivity in the order of Cu2 + ＞ Zn2 + ＞ Cd2 + The absorption mechanism of was analyzed by XRD,IR,etc.with the results indicated that ion-exchange adsorption were key forms.关键词
钠基膨润土/重金属/吸附特征/吸附机理Key words
Na-bentonite/ heavy metal/ adsorption character/ adsorption mechanisms分类
资源环境引用本文复制引用
杨秀敏,钟子楠,潘宇,程晓霞..重金属离子在钠基膨润土中的吸附特征与机理[J].环境工程学报,2013,7(7):2775-2780,6.基金项目
黑龙江省教育厅项目(12521478) （12521478）
