Insoluble anode for electrolyses in aqueous solutions
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United States of America Patent
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-
Jan 11, 1994
Grant Date -
N/A
app pub date -
Oct 1, 1991
filing date -
Sep 28, 1991
priority date (Note) -
Expired
status (Latency Note)
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Abstract
An insoluble anode is for the electrowinning of heavy metals from aqueous solutions which contain them, and for the electrolytic production of oxidizer halogenated salts. The anode includes a copper bar acting as a bus bar (i.e., as a current-bearing bar), having vertical and horizontal holes through which fork-shaped elements, made from a bimetallic conductor, are inserted and fastened. A plurality of fork-shaped elements, made from the filamentary bimetallic conductor, coated by a catalytic layer of Pt and/or PbO.sub.2, act as an electrode with preferential oxygen development. A framework made from an insulating plastics material, is for supporting and stiffening the structure, and for the precise positioning of the anode inside the cell.
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