| 发明名称 |
METHOD OF FE POWDER FROM PICKLING WASTE LIQUID |
| 摘要 |
The method improves economical efficiency and eliminates environmental pollution by reusing wasted acids. The method comprises (A) purificating the wasted acids by adding iron scraps; (B) producing Fe(CO2)22H2O powder by adding H2(CO2)2; (C) heating the powder at 500≦̸C and producing α-Fe2O3 powder.
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| 申请公布号 |
KR950008689(B1) |
申请公布日期 |
1995.08.04 |
| 申请号 |
KR19930029965 |
申请日期 |
1993.12.27 |
| 申请人 |
POSCO |
发明人 |
LEE, JAE - YONG;SON, JIN - GUN;YUN, TAE - SHIK |
| 分类号 |
B22F9/00;(IPC1-7):B22F9/00 |
主分类号 |
B22F9/00 |
| 代理机构 |
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代理人 |
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