发明名称 |
METHOD AND DEVICE FOR METAL PURIFICATION AND SEPARATION OF PURIFIED METAL FROM A METAL MOTHER LIQUID SUCH AS ALUMINIUM |
摘要 |
The invention relates to a method and device for the purification and separation of purified metal from a metal mother liquid having a specific density and comprising one or more foreign element(s), the method comprising the steps of: providing in a column device a starting material comprising metal crystals and a metal mother liquid comprising at least one foreign element; applying a temperature difference between a relatively hot zone at the upper end of the column and a relatively cool zone at the lower end of the column; a separation step wherein at least a part of the metal crystals is separated from the metal mother liquid by rising of the metal crystals to the upper surface of the metal mother liquid; and a further separation step wherein purified metal floating on the upper surface of the metal mother liquid is discharged from the column device. |
申请公布号 |
CA2657092(C) |
申请公布日期 |
2016.06.21 |
申请号 |
CA20072657092 |
申请日期 |
2007.07.05 |
申请人 |
ALERIS SWITZERLAND GMBH |
发明人 |
WOUTERS, HUIBRECHT ADRIAAN;TEN CATE, ANDREAS;BEUNDER, ELISABETH MARIA;BOENDER, WILLEM;HOGENBOOM, MARCELLUS ALBERTUS;KIEFT, RENE;STORM, JOOST CHRISTIAAN |
分类号 |
C22B21/06;B01D9/00;C22B9/02 |
主分类号 |
C22B21/06 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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