C - Chemistry – Metallurgy – 25 – B
Patent
C - Chemistry, Metallurgy
25
B
204/165, 204/62.
C25B 9/00 (2006.01) C25B 1/24 (2006.01) C25B 1/26 (2006.01) C25B 9/06 (2006.01)
Patent
CA 1162879
ABSTRACT OF THE DISCLOSURE An improved electrolytic apparatus for the production of an alkali metal halate, such as sodium chlorate, from an aqueous solution of alkali metal halide, such as sodium chloride, includes modular, vertical anodes and cathodes in alternating relationship in a housing, and an upwardly oriented flow directing funneling chimney structure in a cylindrical shaped housing and over the electrodes, through which, electrolyte between the electrodes rises, passing from a wider portion of the funnel to a narrower part thereof, and a connected chimney passageway. from which it is returned from recirculation to a location below the electrodes after removal of gas from it. Different structures of the electrolytic apparatus or cell are specifically disclosed in one of which the electrolyte, after having pass-d through the funnel structure, moves longitudinally with respect to the cell, and in the other of which it moves transversely. Also disclosed are alternate embodiments of the apparatuses of the types mentioned which include heat exchangers and plurality of the described funnel devices. Method, for the manufacture of alkali metal chlorate by utilization of such apparatuses are also described. Additionally, several improvements in electrode structures, joinders of electrodes to conductors, spacings of electrodes and sealings of electrodes, conductors and cell parts are illustrated.
365429
Kemanord Ab
Marcoux & Sher Swabey Mitchell Houle
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