研究提出了在碱性氰化液中加入表面活性剂萃取金的新型萃取体系. 考查了平衡pH值、有机相组成、 CPB: Au(CN)2-(摩尔)、混相时间、相比、不同金初始浓度、温度、萃取剂类型及不同稀释剂、表面活性剂对萃取率的影响. 控制表面活性剂用量, 能使TBP选择性地定量萃取金; 平衡pH值及稀释剂用量对萃取率影响不大; 在优化实验条件下金的萃取率达98%以上; 用30% TBP+70% 磺化煤油的有机相, 金的萃取容量达38042 mg/L. 讨论了萃取机理, 推断了萃取反应式.
参考文献
| [1] | Das N R;Bhattacharyya S N .[J].Talanta,1976,23:535. |
| [2] | Ritcey G M;Askbrook W A.Solvent Extraction-Part Ⅱ,Elsevier[M].Amsterdam,1979:381. |
| [3] | Mooiman M B;Miller J D;Mena M M.International Solvent Extraction Conference (ISEC′83)[C].AIChE,Denver,1983:530. |
| [4] | Miller J D;Wan R Y;Mooiman M B et al.[J].Separation Science and Technology,1987,22(2-3):487. |
| [5] | Wan R Y;Miller J D .[J].Journal of Metals,1986,38(12):35. |
| [6] | Mooiman M B;Miller J D .[J].Hydrometallurgy,1991,27:29. |
| [7] | Alguacil F J;Caravaca C;Cobo A et al.[J].Hydrometallurgy,1994,35:41. |
| [8] | Alguacil F J;Caravaca C;Martinez S et al.[J].Hydrometallurgy,1994,36:369. |
| [9] | Mooiman M B;Miller J D.Minerals and Metallurgical Processing[M].SME/AIME,1984:153. |
| [10] | Mooiman M B;Miller J D .[J].HYDROMETALLURGY,1986,16:245. |
| [11] | Alguacil F J;Hernandez A;Luis A .[J].Hydrometallurgy,1990,24:157. |
| [12] | Caravaca C;Alguacil F J .[J].Hydrometallurgy,1992,31:257. |
| [13] | Caravaca C .[J].Hydrometallurgy,1994,35(53) |
| [14] | Caravaca C;Alguacil F J;Sastre A .[J].Hydrometallurgy,1996,40:263. |
| [15] | Ritcey G M;Molnar R;Riveros P A.International Solvent Extraction Conference (ISEC′88)[C].Moscow,1988 |
| [16] | Riveros P A .[J].Hydrometallurgy,1990,24:135. |
| [17] | Kordosky G A;Sierakoski T M;Virning M I et al.[J].Hydrometallurgy,1992,30:291. |
| [18] | Caravaca C .[J].Hydrometallurgy,1994,35:27. |
| [19] | Alguacil F J;Caravaca C .[J].Hydrometallurgy,1996,42:197. |
| [20] | 马恒励,金品利.二烷基亚砜-胺二元系从氰化物溶液中萃取金[J].贵金属,1992(04):8-14. |
| [21] | Mooiman M B .The Solvent Extraction of Gold from Cyanide Solution[D].University of Utah,Salt Lake City,UT,1984. |
| [22] | 陈景.铂族金属化学冶金理论与实践[M].昆明:云南科学技术出版社,1995 |
上一张
下一张
上一张
下一张
计量
- 下载量()
- 访问量()
文章评分
- 您的评分：
-
10%
-
20%
-
30%
-
40%
-
50%