发明名称 |
Förfarande för hydrometallurgisk behandling av indiumkloridlösning |
摘要 |
<p>PCT No. PCT/FR88/00573 Sec. 371 Date Jul. 19, 1989 Sec. 102(e) Date Jul. 19, 1989 PCT Filed Nov. 24, 1988 PCT Pub. No. WO89/04877 PCT Pub. Date Jun. 1, 1989.A process for the hydrometallurgical treatment of an indium chloride solution and at least one element selected from the group consisting of tin and antimony comprises the following steps: a) adjustment of the free chloride ion content by addition of alkaline or alkaline earth chloride or a mixture thereof and of their acidity by the addition of hydrochloric acid; b) bringing said indium chloride solution into contact with an organic phase containing dry trialkyl phosphate; c) extraction of said organic phase by bringing the latter into contact with a 0.1 to 3 N hydrochloric acid solution to obtain an indium chloride solution; d) basic extraction using an alkaline metal hydroxyde. Application to extractive metallurgy and recovery of indium and accompanying elements.</p> |
申请公布号 |
FI893531(A) |
申请公布日期 |
1989.07.21 |
申请号 |
FI19890003531 |
申请日期 |
1989.07.21 |
申请人 |
METALEUROP S.A. |
发明人 |
LE QUESNE, YVES;FOSSI, PAOLO |
分类号 |
C01G15/00;C01G19/00;C01G30/00;C22B3/38;C22B58/00;(IPC1-7):C22B/ |
主分类号 |
C01G15/00 |
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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