C - Chemistry – Metallurgy – 25 – D
Patent
C - Chemistry, Metallurgy
25
D
204/127, 204/15
C25D 7/06 (2006.01) C25D 5/08 (2006.01)
Patent
CA 1251415
ABSTRACT OF THE DISCLOSURE: A process for the electrodeposition of metals, especially zinc, on to metal strip, particularly steel strip, from an aqueous solution of metal salts. The process uses high relative flow velocities between electrolyte and strip and electrolyte and anodes, the metal strip being introduced vertically into the electrolyte, turned around and led vertically out of the electrolyte. A process of this nature should enable high current densities to be employed, including in vertical cells in which the metal strip, in particular steel strip, is passed vertically through the electrolyte, and permit even relative flows between the metal strip and the electrolyte, thus producing even deposition conditions for the parts of the metal strip entering and leaving the cell. The electrolyte is forced to flow against the direction of strip travel throughout the section between the anodes and the metal strip. The equipment envisaged for carrying out the process is de- signed so that the electrolytic cell is fitted with shaft- shaped sections for the strip entrance and exit, within which sections the anodes are arranged parallel to each other and to the metal strip, and the sections are connect- ed by a communicating lower part of the cell, and the top of the section for the strip entrance is set lower than the top of the section for the strip exit by the dimension .DELTA. h.
467521
Bechem Werner
Peters Hubertus
Solbach Werner
Wolfhard Dietrich
Hoesch Aktiengesellschaft
Robic Robic & Associes/associates
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