Title:
THREE ELECTRODE ELECTROLYTIC CELL AND METHOD FOR MAKING HYPOCHLOROUS ACID
Document Type and Number:
WIPO Patent Application WO/2014/071127
Kind Code:
A3
Abstract:
A method and apparatus are provided for electrolyzing a source liquid (54) in an electrolytic device (10, 50, 300). The electrolytic device (10, 50, 300) includes a first cathode (20, 320) in a cathode chamber (14); and an anode (22, 322) and a second, auxiliary cathode (24, 324) in an anode chamber (16). The anode chamber (16) and cathode chamber (14) are separated by a barrier (18, 316), and the anode (22, 322) and the auxiliary cathode (24, 324) are separated by a gap (26) that lacks a barrier. While electrolyzing the source liquid with the electrolytic device (10, 50, 300), a level of current applied to the auxiliary cathode (24, 324) is adjusted in response to pH of an anolyte liquid (36) produced from the source liquid (32, 54) by the anode chamber (16) to maintain the pH within a desired range.
Inventors:
JOYNT DANIEL L (US)
Application Number:
PCT/US2013/067962
Publication Date:
July 17, 2014
Filing Date:
November 01, 2013
Export Citation:
Assignee:
TENNANT CO (US)
International Classes:
C25B9/19; C02F1/467; C25B1/26
Foreign References:
| US20120085658A1 | 2012-04-12 | |||
| US20100078331A1 | 2010-04-01 | |||
| US20120085657A1 | 2012-04-12 | |||
| US20120175267A1 | 2012-07-12 |
Attorney, Agent or Firm:
BRUSH, David, D. et al. (Champlin & Koehler P.A.,900 Second Avenue South, Suite 140, Minneapolis MN, US)
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