STARTUP METHOD FOR ELECTROLYTIC SULFURIC ACID SOLUTION MANUFACTURING SYSTEM
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United States of America Patent
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Issued Date -
Mar 16, 2023
app pub date -
Sep 15, 2020
filing date -
May 18, 2020
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Abstract
Hydrogen peroxide water and, if necessary, sulfuric acid and/or water, are added to a sulfuric acid solution in a storage tank of an electrolytic sulfuric acid solution manufacturing system to enhance the oxidizing power of the sulfuric acid solution supplied to an electrolytic cell to perform electrolysis. The manufacturing system starts up during an initial operation after completion of the system, or after replacement of a sulfuric acid-containing solution in the system, or during an operation after the concentration of a persulfuric acid component in the sulfuric acid solution stored in the system decreases due to shutdown of the system, or other similar situations. By starting up the manufacturing system in this manner, the startup of the system, which manufactures an electrolytic sulfuric acid solution containing a persulfuric acid component generated by electrolyzing sulfuric acid, can be completed in a short time, and the energy consumption can be reduced.
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