| 发明名称 |
METHOD AND PLANT FOR REMOVING ARSENIC AND/OR ANTIMONY FROM FLUE DUSTS |
| 摘要 |
A method for the treatment of flue dusts containing arsenic and/or antimony from pyrometallurgical methods, wherein a reducing agent is added to the flue dusts, the flue dusts are heated together with the reducing agent, and volatile components are separated from a slag. The reducing agent is a carbonaceous compound. |
| 申请公布号 |
US2016237523(A1) |
申请公布日期 |
2016.08.18 |
| 申请号 |
US201315025991 |
申请日期 |
2013.10.02 |
| 申请人 |
OUTOTEC (FINLAND) OY |
发明人 |
Güntner Jochen;Sturm Peter;Wrobel Maciej;Hammerschmidt Jörg;Holmström Ake;Berg Gunnar |
| 分类号 |
C22B7/02;B01D53/76;B01D53/83;C22B15/00;B01D53/64 |
主分类号 |
C22B7/02 |
| 代理机构 |
|
代理人 |
|
| 主权项 |
1. A method for the treatment of flue dusts containing 2 to 10% w/w arsenic and/or antimony from pyrometallurgical methods, wherein a reducing agent is added to the flue dusts, the flue dusts are heated together with the reducing agent, and volatile components are separated from a slag, wherein the reducing agent is a carbonaceous compound characterized in that heating is effected in a fluidized bed. |
| 地址 |
Espoo FI |
