Adsorption kinetics of Cd(II), Zn(II) and Cu(II) and their mixtures from an aqueous solution onto immobilized activated sludge

被引：1
|
作者：
Filipkowska, Urszula [1 ]
Kuczajowska-Zadrozna, Malgorzata [1 ]
机构：
[1] Univ Warmia & Mazury, Dept Environm Engn, Ul Warszawska 117a, PL-10720 Olsztyn, Poland
来源：
DESALINATION AND WATER TREATMENT | 2020年 / 180卷
关键词：
Heavy metals; Mixture of metals; Sorption kinetics; HEAVY-METALS; SORPTION; REMOVAL; IONS; BIOSORPTION; ALGINATE; BIOMASS;
D O I：
10.5004/dwt.2020.25050
中图分类号：
TQ [化学工业];
学科分类号：
0817 ;
摘要：
In this study, we determined the kinetics of cadmium, zinc, and copper removal by an activated sludge immobilized in 1.5% sodium alginate with 0.5% polyvinyl alcohol. The adsorption of metals from solutions of both single metals and their mixtures was found to follow the pseudo-second-order reaction. In the solutions of single metals cadmium was most effectively adsorbed (96.10 mg g(-1) d.m.); whereas in metal mixtures, it was copper (37.38 mg g(-1) d.m). It was also observed that the presence of copper in a mixture of metals impaired the sorption of cadmium and zinc.
引用
收藏
页码：284 / 292
页数：9
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