Solidification and stabilization of Pb, Zn, Cd and Cu in tailing wastes using cement and fly ash

被引：41

作者：

Jang, A ^{[1
]}

Kim, IS ^{[1
]}

机构：

[1] Kwangju Inst Sci & Technol, Dept Environm Sci & Engn, Kwangju 500712, South Korea

来源：

MINERALS ENGINEERING | 2000年 / 13卷 / 14-15期

关键词：

acid rock drainage; crushing; tailings; cementation; reclamation;

D O I：

10.1016/S0892-6875(00)00151-5

中图分类号：

TQ [化学工业];

学科分类号：

0817 ;

摘要：

Three types of acidic solution (0.1 N HCl, HNO3-HClO4 and HNO3-HCl) were applied to determine the elemental compositions for tailing wastes and fly ash. In addition, a sequential extraction was carried out to determine the chemical partitioning. The curing period of the solidified/stabilized (S/S) materials was estimated for its unconfined compressive strength (UCS) at three, seven and 28 days in order to learn the mixing ratio of cement, railing wastes and fly ash, respectively. To obtain the highest strength, the optimum mixing ratio was considered to be 85% cement, 5% tailing wastes and 10% fly ash (TW5FA10). (C) 2000 Elsevier Science Ltd. All rights reserved.

引用

页码：1659 / 1662

页数：4

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