Process for removing a layer of thick mercury from the bottom of

Chemistry: electrical and wave energy – Processes and products

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C25G 140

Patent

active

045656134

ABSTRACT:
To remove a layer of thick mercury from the bottom of electrolysis cells having a cathode formed by a film of mercury flowing over the bottom, a scraper is moved in the mercury film in a controlled manner to leave continuously a residual film of thick mercury of predetermined thickness adhering to the bottom. The process applies to mercury-cathode cells for the electrolysis of aqueous solutions of sodium chloride.

REFERENCES:
patent: 679476 (1901-07-01), Kelley
patent: 1009133 (1911-11-01), Croston
patent: 3321388 (1967-05-01), Ueda et al.
patent: 3905880 (1975-09-01), Lee et al.
patent: 4303491 (1981-12-01), Ferrari et al.

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