| 发明名称 |
Verfahren zum Aufarbeiten metallurgischer Abfallprodukte |
| 摘要 |
<p>Treatment of metallurgical by-prods. contg. Zn,Ni,Cu,Cd,Co and/or Mn cpds., to recover metal, involves (a) ammoniacal leaching with an ammoniacal buffer soln.; (b) separating undissolved residues and a soln. contg. complexed metal; and (c) desorbing ammonia from the soln. with an air stream to ppte. the metal as the hydroxide.</p> |
| 申请公布号 |
DE69500251(D1) |
申请公布日期 |
1997.05.28 |
| 申请号 |
DE1995600251 |
申请日期 |
1995.03.07 |
| 申请人 |
SCEGI S.A.R.L., ST-JULIEN LES METZ, FR |
发明人 |
FRADA, JEAN-MICHEL, CABINET BALLOT SCHMIT, F-57000 METZ, FR;EVRARD, OMER, CABINET BALLOT SCHMIT, F-57000 METZ, FR |
| 分类号 |
C22B3/14;C22B7/02;(IPC1-7):C22B7/02 |
主分类号 |
C22B3/14 |
| 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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