Continuous electrolysis method with electrolytic bath for polysulfide production and electrolysis device for implementing the same
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United States of America Patent
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Apr 24, 2018
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app pub date -
Sep 30, 2013
filing date -
Oct 1, 2012
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Abstract
An electrolysis method of preventing the voltage of an electrolytic bath from rising over time without halting electrolysis and an electrolysis device for executing the method are provided such that: in operation of a two-compartment electrolytic bath, which has a membrane partitioning an anode compartment from a cathode compartment and in which a sulfide ion-containing white liquor for use in a pulp production process is fed into the anode compartment while direct current is supplied to the electrolytic bath to produce polysulfide in the anode compartment through electrolysis, and a sulfide ion-containing white liquor for use in a pulp production process that contains at least one of a scale cleaning agent and a scale inhibitor is fed to the anode compartment.
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