Method for the removal of thallium

Details Method for the removal of thallium Method for the removal of thallium

1994-04-22

1995-05-30

Niebling, John

Chemistry of inorganic compounds

Treating mixture to obtain metal containing compound

Group iiia metal or beryllium

75416, 204114, C25C 116

Patent

active

054198828

ABSTRACT:
A method for removing thallium ions from aqueous solutions uses manganese dioxide sludge produced during the electrolysis of zinc. The preferred allotropy of MnO.sub.2 is the .alpha.-form, which selectively absorbs thallium ions with minimum interference from other elements and metal ions present in the solution, and is significantly more economical than other reagents currently used for the same purpose.

REFERENCES:
patent: 4071421 (1978-01-01), Masters
patent: 4096233 (1978-06-01), Bodson
patent: 4274931 (1981-06-01), Verbaan
patent: 4292283 (1981-09-01), Weigel
patent: 4439288 (1984-03-01), Hoffman
patent: 5120353 (1992-06-01), Fugleberg et al.

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