Advances in the ambient temperature ferrite process applied to acid mine drainage treatment

被引：5
|
作者：
Choung, JW
Xu, Z [1 ]
Finch, JA
机构：
[1] Univ Alberta, Dept Chem & Mat Engn, Edmonton, AB T6G 2G6, Canada
[2] McGill Univ, Dept Min & Met Engn, Montreal, PQ H3A 2B2, Canada
来源：
ENVIRONMENTAL TECHNOLOGY | 2000年 / 21卷 / 02期
关键词：
acid mine drainage; ambient temperature ferrite process; calcium; carbonates;
D O I：
10.1080/09593330.2000.9618901
中图分类号：
X [环境科学、安全科学];
学科分类号：
08 ; 0830 ;
摘要：
Treating acid mine drainage (AMD) using ambient temperature ferrite (ATF) process is attractive but challenging due to the complex nature of AMD Solution chemistry. Calcium, associated with sulfate and ferric oxy-hydroxides, has been shown to interfere with ferrite formation. A novel process has been developed based on the use of carbonates to scavenge the soluble calcium followed by neutralization with carefully controlled solution chemistry. With this process, magnetic precipitates of spinel structure are formed from a simulated AMD within a practically feasible reaction period, while producing an environmentally safe effluent.
引用
收藏
页码：201 / 207
页数：7
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