Physical and chemical characterization of vermicompost from bovine manure and evaluation of competitive retention of copper and zinc.

被引:15
|
作者
Lamim, SSM [1 ]
Jordao, CP
Brune, W
Pereira, JL
Bellato, CR
机构
[1] Univ Fed Juiz de Fora, Dept Quim, BR-36100000 Juiz De Fora, MG, Brazil
[2] Univ Fed Vicosa, Dept Quim, BR-36571000 Vicosa, MG, Brazil
来源
QUIMICA NOVA | 1998年 / 21卷 / 03期
关键词
heavy metals; vermicompost; copper and zinc competition;
D O I
10.1590/S0100-40421998000300008
中图分类号
O6 [化学];
学科分类号
0703 ;
摘要
The physical and chemical characterization of vermicompost from bovine manure has been studied. It was examined the pH and cation exchangeable capacity (CEC), organic matter content, electric conductivity and elementary and XRD analyses, among other characteristics. The vermicompost was then applied to the retention and competition of metal micronutrients and pollutants (Cu and Zn) from metal nitrate solutions. The retention was affected by both the pH and adsorption time, while the competitive character of these metals for the substrate was relevant to each pH examined.
引用
收藏
页码:278 / 283
页数:6
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