Abstract

The influence of electrical discharge on the discoloration of solution in the foaming apparatus was observed. The pure water or indigo blue solutions in various concentrations were used as substrate liquids. Foam was formed without the addition of foaming agents in the strict flow regime or with the addition of common surfactant. Performed measurements confirmed the presence of 40 mg/l hydrogen peroxide, OH radicals, dissolved ozone and gaseous ozone, which were generated by the electrical discharge.

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