Anolyte and its making method
A technology of anolyte and manufacturing method, applied in the direction of electrolysis process, electrolysis components, chemical instruments and methods, etc., can solve the problem of increasing the disproportionation of peroxide free radicals, and achieve the effect of high safety
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[0075] An example of a method for preparing such an aqueous electrolyte solution 4 is a method of dissolving ascorbic acid in purified water (pure water) such as distilled water or deionized water within the above-mentioned concentration range.
[0076] 6 is a pump installed in the electrolyte solution supply pipe 8, and by operating the pump 6, the electrolyte solution 4 is sent to the electrolytic cell 10 through the supply pipe 8.
[0077] The electrolytic cell 10 has an anode 12 and a cathode 14 facing each other at a predetermined interval, and a diaphragm 16 disposed between the two electrodes and separated from the two electrodes. In the electrolytic cell 10 , an anode chamber 18 is formed between the anode 12 and the diaphragm 16 , and a cathode chamber 20 is formed between the cathode 14 and the diaphragm 16 . The anode 12 and cathode 14 are formed of electrochemically inert metal materials. The electrode material is preferably platinum, platinum alloy or the like. ...
Embodiment 1
[0090] use figure 1 The shown electrolysis device electrolyzes an aqueous electrolyte solution containing ascorbic acid. Five platinum plates (7.5 cm x 11.5 cm) were arranged in parallel at intervals of 2.5 mm in the electrolytic cell, and a non-charged separator was installed between them. Then, by using the above-mentioned platinum plates alternately as anodes and cathodes, a total of four electrolytic cells were arranged side by side. The internal volume of the electrolytic cell was 86.4 ml, and the electrolytic aqueous solution was supplied to the electrolytic cell at a flow rate of 2000 ml / min to obtain an anolyte and a catholyte. Adjust the electrolysis current density to 0.02A / cm 2 .
[0091] The resulting anolyte had a pH of 3.68 and an ORP of 82 mV.
[0092] An aqueous electrolyte solution was prepared by adding ascorbic acid to a concentration of 2 mM in deionized water. Also, since deionized water is used, the content of water-soluble inorganic salts in the aqu...
Embodiment 2
[0115] Except that the concentration of ascorbic acid in the aqueous electrolyte solution is 50mM and the current density is 0.01A / cm 2 Except for the rest, it was the same as in Example 1, and an electrolytic solution was produced.
[0116] Gained anode and catholyte are respectively observed the signal of peroxide radical in the same manner as Example 1 by ESR.
[0117] Express the resulting ESR spectrum in Figure 4 and Figure 5 . Figure 4 A map of the anolyte. From the absence of peroxide radical signals, it can be explained that the peroxide radicals are disproportionated and the peroxide radicals almost disappear.
[0118] Also, the amount of dissolved oxygen was 12.3 mg / l. And the pH is 2.87 and the ORP is 55mV.
[0119] Figure 5 This is the spectrum when catholyte is used. The signal of the peroxide radical can be seen (signal indicated by arrow a in the figure). That is to say, the peroxide free radicals have not disappeared and have not been disproportion...
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