METHOD OF PRODUCING AMMONIUM PERSULFATE
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Oct 24, 2019
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Dec 27, 2017
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Jan 13, 2017
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Abstract
A method of producing ammonium persulfate by electrolyzing ammonium sulfate is characterized in that an ammonium sulfate aqueous solution is supplied as an anode-side feedstock, a solution containing less than 1.0 mol of acid-derived acid dissociable hydrogen ions per 1.0 mol of amount of charge transfer is supplied as a cathode-side feedstock, and electrolysis is performed to produce ammonium persulfate on the anode side and at least ammonia on the cathode side. Since ammonium sulfate not dependent upon the ammonium sulfate produced within the system can be used as a main feedstock, the method is industrially advantageous and, further, because of an electrolytic method, the method enables the coproduction not only of ammonium persulfate but also of valuable materials such as ammonia and hydrogen and, furthermore, enables the production of ammonium persulfate at a high current efficiency.
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