发明名称 |
Process for the manufacture of iron and aluminum-free zinc chloride solutions |
摘要 |
A process for the removal of iron and aluminum values from acidic solutions thereof with zinc chloride wherein the solution is subjected to pressure hydrolysis to precipitate the iron and aluminum as the hydroxides or oxide hydrates, and then the precipitate is removed and washed. Zinc chlorides which are particularly free from iron and aluminum can be rapidly and easily obtained with this process.
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申请公布号 |
US4282190(A) |
申请公布日期 |
1981.08.04 |
申请号 |
US19790092535 |
申请日期 |
1979.11.08 |
申请人 |
TH. GOLDSCHMIDT AG |
发明人 |
MUELLER, WOLFGANG;WITZKE, LOTHAR |
分类号 |
C01F7/34;C01G9/04;C01G49/06;(IPC1-7):C01G9/04 |
主分类号 |
C01F7/34 |
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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