| 发明名称 |
PROCESS FOR DEARSENIFYING PHOSPHORIC ACID SOLUTIONS |
| 摘要 |
Phosphoric acid solutions are dearsenified by treating them with a sulfide and separating the resulting precipitate from the purified solution. The sulfide is at least one compound of the general formula P4Sx in which x stands for a number of 3 to 10. |
| 申请公布号 |
ZA8509381(B) |
申请公布日期 |
1986.08.27 |
| 申请号 |
ZA19850009381 |
申请日期 |
1985.12.09 |
| 申请人 |
HOECHST AKTIENGESELLSCHAFT |
发明人 |
GUENTHER SCHIMMEL;REINHARD GRADL;GERO HEYMER |
| 分类号 |
C01B25/237;C01B25/238;C01B25/30;C01B25/46 |
主分类号 |
C01B25/237 |
| 代理机构 |
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