Electrochemically activated anolyte and catholyte liquid

• US 20070187262A1
• Filed: 01/19/2007
• Published: 08/16/2007
• Est. Priority Date: 02/10/2006
• Status: Active Grant

• Current Assignee: Tennant Company
• Original Assignee: Tennant Company
• Inventors: Field, Bruce F., Gronlund, Patrick J.
• Granted Patent: US 8,007,654 B2
• Time in Patent Office: Days
• US Class Current: 205/742
• CPC Class Codes: A47L 11/03 characterised by having provisions for supplying cleaning or polishing agents A47L11/065, A47L11/085, A47L11/125, A47L11/145, A47L11/161, A47L11/1625, A47L11/185, A47L11/201 take precedence
• CPC Class Codes: A47L 11/4016 specially adapted for collecting fluids
• CPC Class Codes: A47L 11/4083 Liquid supply reservoirs; Preparation of the agents, e.g. mixing devices
• CPC Class Codes: C02F 1/4618 for producing "ionised" acidic or basic water
• CPC Class Codes: C02F 1/4672 by electrooxydation
• CPC Class Codes: Y02E 60/36 Hydrogen production from non-carbon containing sources, e.g. by water electrolysis

Abstract

An electrochemically activated fluid is provided, which has an anolyte and a catholyte. For example, a sparged anolyte and a sparged catholyte are provided. In another example, a combined anolyte and catholyte is provided.

Claims

1. A sparged reaction product produced at least in part from water being in contact with an anode and a cathode, the anode and cathode being separated by a membrane that permits one-way transport across the membrane of selected ions generated by the cathode or anode.

2. The reaction product of claim 1 consisting essentially of water.

3. The reaction product of claim 1 comprising tap water.

4. The reaction product of claim 1 comprising a combination of an anolyte and a catholyte.

5. The reaction product of claim 1 comprising a catholyte.

6. The reaction product of claim 5 wherein the catholyte is characterized by a stoichiometric excess of hydroxide ions.

7. The reaction product of claim 5 wherein the pH of the catholyte is about greater than 7.

8. The reaction product of claim 5 wherein the pH of the catholyte is about 9 to 12.

9. The reaction product of claim 5 wherein the catholyte has an oxidation-reduction potential of about −

150 mV to about −

1000 mV.

10. The reaction product of claim 1 comprising an anolyte.

11. The reaction product of claim 10 wherein the anolyte is characterized by a stoichiometric excess of hydrogen ions and has a pH of about less than 7.

12. The reaction product of claim 10 wherein the anolyte has a pH of about 2.5 to about 6.

13. The reaction product of claim 10 wherein the oxidation-reduction potential of the anolyte is about +100 mV to about +1200 mV.

14. The reaction product of claim 10 wherein the anolyte comprises chlorine.

15. The reaction product of claim 10 wherein the anolyte comprises oxygen in solution.

16. A reaction product produced from a combination of water being in contact with an anode and water being in contact with a cathode, the anode and cathode being separated by a membrane that permits one-way transport across the membrane of selected ions generated by the cathode or anode.

17. The reaction product of claim 16 wherein the membrane permits one-way transport of hydroxide ions towards the cathode, the hydrogen ions having been generated by the anode.

18. The reaction product of claim 16 wherein the membrane permits transport across the membrane of ions generated by the cathode towards the anode.

19. The reaction product of claim 16 comprising an anolyte produced by the anode and a catholyte produced by the cathode.

20. The reaction product of claim 19 wherein the catholyte is characterized by a stoichiometric excess of hydroxide ions.

21. The reaction product of claim 19 wherein the pH of the catholyte is about greater than 7.

22. The reaction product of claim 19 wherein the pH of the catholyte is about 9 to 12.

23. The reaction product of claim 19 wherein the catholyte has an oxidation-reduction potential of about −

150 mV to about −

1000 mV.

24. The reaction product of claim 19 wherein the anolyte has a pH of about less than 7.

25. The reaction product of claim 19 wherein the anolyte has a pH of about 2.5 to about 6.

26. The reaction product of claim 19 wherein the oxidation-reduction potential of the anolyte is about +100 mV to about +1200 mV.

27. A combined anolyte and catholyte electrochemically activated fluid.

28. The fluid of claim 27 consisting essentially of water.

29. The fluid of claim 27 comprising tap water.

30. The fluid of claim 27 wherein the catholyte is characterized by a stochiometric excess of hydroxide ions.

31. The fluid of claim 27 wherein the pH of the catholyte is about greater than 7.

32. The fluid of claim 27 wherein the pH of the catholyte is about 9 to 12.

33. The fluid of claim 27 wherein the catholyte has an oxidation-reduction potential of about −

150 mV to about −

1000 mV.

34. The fluid of claim 27 wherein the anolyte has a pH of about 7.

35. The fluid of claim 27 wherein the anolyte has a pH of about 2.5 to about 6.

36. The fluid of claim 27 wherein the oxidation-reduction potential of the anolyte is about +100 mV to about +1200 mV.

37. The fluid of claim 27 wherein the anolyte comprises chlorine.

38. The fluid of claim 27 wherein the anolyte comprises oxygen in solution.