Electrolyte producing apparatus with monitoring device

Details Electrolyte producing apparatus with monitoring device Electrolyte producing apparatus with monitoring device

1998-05-28

2000-07-25

Gorgos, Kathryn

Chemistry: electrical and wave energy

Apparatus

Electrolytic

204400, C25B 900

Patent

active

060932929

ABSTRACT:
An electrolyte producing apparatus is formed of an electrolyzing device for producing a strong acidic liquid on an anode side and a strong alkaline liquid on a cathode side through electrolyzing a basic liquid, a mixing device connected to the electrolyzing device for mixing a part of the acidic liquid and a part of the alkaline liquid to form a mixture of the acidic and alkaline liquids, and a measuring device including a light ejecting device for ejecting light to the mixture, and a light receiving device for receiving the light passing through the mixture. A light absorbance of the mixture is measured in an area of wavelengths of about 260 nm to 330 nm. A concentration of hypochlorous acid in the produced strong acidic liquid can be accurately monitored without using a coloring reagent to thereby obtain a pH value of the strong acidic liquid.

REFERENCES:
Patent Abstracts of Japan, vol. 016, No. 283 (C-0955), Jun. 24, 1992 & JP 04 074588 A (Matsushita Electric Works Ltd), Mar. 9, 1992.
Patent Abstracts of Japan, vol. 007, No. 142(p-205), Jun. 22, 1983 & JP 58 055839 A (Kawasaki Seitetsu KK), Apr. 2, 1983.
R Briggs, K.T.V. Grattan, Z. Mouaziz, A.F. Elvidge: "On-line monitoring of residual chlorine" Journal of Water Science and Technology, vol. 10, 1990, pp. 39-49, XP002099459 no month and year provided.

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