| 发明名称 |
FORFARANDE FOR SAMTIDIG AVGIFTNING, DEKARBONISERING OCH PELLETTISERING AV DET SLAM, SOM BILDAS NER AVGASER FRAN SLUTNA ELEKTRISKA SMELTUGNAR FOR FRAMSTELLNING AV KISELMETALL ELLER KISELHALTIGA LEGERINGAR, TVETTAS I ... |
| 摘要 |
A method of treating the silica dust recovered from waste gasses by wet-washing of the gasses is disclosed. The sludge material is charged to a rotary kiln at a temperature of 800 DEG - 1,400 DEG C. in the presence of an oxidizing or reducing agent whereby the sludge is converted to pellets while phenols and cyanides are simultaneously treated. |
| 申请公布号 |
SE422891(B) |
申请公布日期 |
1982.04.05 |
| 申请号 |
SE19770004587 |
申请日期 |
1977.04.21 |
| 申请人 |
* ELKEM-SPIGERVERKET AS |
发明人 |
H * KROGSRUD |
| 分类号 |
B01J2/12;B09B3/00;C02F11/00;C02F11/06;C22B1/14;F23J1/00;(IPC1-7):01J2/12 |
主分类号 |
B01J2/12 |
| 代理机构 |
|
代理人 |
|
| 主权项 |
|
| 地址 |
|
