| 发明名称 |
METHOD FOR THE TREATMENT OF GASEOUS DISCHARGES OF A UNIT MANUFACTURING AN OPTICAL-FIBRE PREFORM FOR RECOVERING GERMANIUM |
| 摘要 |
The invention relates to a method for treating gaseous discharges which stem from a unit manufacturing an optical-fibre preform and contain germanium. Said method consists of the following steps: preparation of a liquid effluent from the gaseous discharges, followed by precipitation of the germanium in the liquid effluent. According to the invention precipitation is carried out by the addition of magnesium oxide MgO to the liquid effluent. |
| 申请公布号 |
WO9936366(A1) |
申请公布日期 |
1999.07.22 |
| 申请号 |
WO1999FR00083 |
申请日期 |
1999.01.18 |
| 申请人 |
ALCATEL;APPRIOU, ANDRE;CALVO, LAURENT;LAVANANT, GERARD |
发明人 |
APPRIOU, ANDRE;CALVO, LAURENT;LAVANANT, GERARD |
| 分类号 |
B01D53/34;B01D53/64;B01D53/68;B01D53/77;C01G17/00;C02F1/62;C03B37/014;C03B37/018 |
主分类号 |
B01D53/34 |
| 代理机构 |
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