Title:
METHOD FOR REMOVING THALLIUM FROM A ZINC-CONTAINING SOLUTION
Document Type and Number:
WIPO Patent Application WO2005047551
Kind Code:
A8
Abstract:
This invention relates to a method for removing thallium from a zinc-containing solution. In particular, the method relates to the purification with metallic zinc powder of a solution going to the electrolytic production of zinc. In this method, thallium is removed by means of a lead compound in the solution purification stage, either during the final purification stage or in a purification stage in which cadmium is precipitated.
Inventors:
JAERVINEN AIMO (FI)
Application Number:
PCT/FI2004/000087
Publication Date:
October 27, 2005
Filing Date:
February 24, 2004
Export Citation:
Assignee:
OUTOKUMPU OY (FI)
JAERVINEN AIMO (FI)
JAERVINEN AIMO (FI)
International Classes:
C01G15/00; C01G51/00; C22B3/24; C22B3/46; C22B17/00; C22B19/00; C22B61/00; C01G; (IPC1-7): C22B3/24; C22B61/00
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