IP Library › Granted Patent US 8,459,275
Granted Patent B2
US 8,459,275 · App. 12/887,755 · Granted Jun 11, 2013

In-situ cleaning system

Inventors: Kim R. Smith (Woodbury, MN); Keith E. Olson (Apple Valley, MN); Erik C. Olson (Savage, MN); Michael S. Rischmiller (Faribault, MN)
Assignee: Ecolab USA Inc.
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Quick Facts
Patent No.
US 8,459,275
App. No.
12/887,755
Granted
Jun 11, 2013
Kind
B2
Abstract

The in situ cleaning system provides an inlet capable of providing feed water to an in situ cleaning component, one or more in situ cleaning components, including water treatment components, an oxidizing agent generating component and/or alkalinity generating component, and an outlet in fluid communication with a washing system, providing a cleaning use solution to the washing system.

Claims (26)

1. An in situ cleaning system comprising:

(a) an inlet capable of providing feed water to an in situ cleaning component;

(b) an in situ cleaning component comprising one or more of:

(i) a water treatment component;

(ii) an oxidizing agent generating component; and

(iii) an alkalinity generating component, wherein the alkalinity generating component comprises a decomposition agent selected from the group consisting of a source of manganese, a source of silver, and combinations thereof, wherein the decomposition agent catalyzes a decomposition of an oxidizing agent to form a source of alkalinity when contacted with the oxidizing agent; and

(c) an outlet in fluid communication with a washing system.

2. The system of claim 1 , wherein the one or more in situ cleaning components are provided in a single housing.

3. The system of claim 1 , wherein the one or more in situ cleaning components are provided in a plurality of housings.

4. The system of chum 1 , wherein the cleaning system is positioned external to the washing system.

5. The system of claim 1 , wherein the cleaning system is positioned internally to the washing system.

6. The system of claim 1 , wherein the water treatment component is capable of reducing a source of solubilized water hardness in the feed water.

7. The system of claim 1 , wherein the water treatment component comprises a threshold agent.

8. The system of claim 1 , wherein the water treatment component is a treatment reservoir comprising one or more conversion agents selected from the group of meta oxides, metal hydroxides, and mixtures thereof.

9. The system of claim 8 , wherein at least one of the one or more conversion agents is a solid and is agitated in a bed of the treatment reservoir by a method selected from the group consisting of the flow of water through the column, fluidization, mechanical agitation, high flow backwash, recirculation, and combinations thereof.

10. The system of claim 1 , wherein the water treatment component comprises one or more catalysts positioned inside a treatment reservoir and is selected from the group consisting of a source of magnesium, aluminum, zinc, and titanium ions and is bound to a supporting material.

11. The system of claim 10 , wherein the supporting material comprises a weak acid cation resin selected from the group consisting of an acrylic acid polymer, a methacrylic acid polymer, and mixtures there.

12. The system of claim, wherein the water treatment component comprises a removable cartridge.

13. The system of claim 1 , wherein the water treatment component comprises an alkaline source to increase the pH of the water source to greater than about 9.

14. The system of claim 1 , wherein the water treatment component includes an inlet for providing a water soluble source of magnesium to the feed water.

15. The system of claim 1 , wherein the oxidizing agent generating component comprises an electrochemical unit capable of producing an oxidizing agent selected from the group consisting of hydrogen peroxide, ozone, a peracid, a halogen bleach, and mixtures thereof and further comprises a bypass line fluidly connected between the oxidizing agent generating component and the washing system.

16. The system of claim 15 , wherein the electrochemical unit further provides a source of alkalinity.

17. The system of claim 1 , wherein the decomposition agent is provided on a support medium comprising an inert support bed having low water solubility and is selected from the group consisting of magnesium oxide, magnesium hydroxide, zinc oxide, titanium oxide, silicon oxide, aluminum silicate, ceramic, carbon, polymeric material and combinations thereof.

18. The system of claim 1 , wherein the decomposition agent is provided on a support medium comprising a fabric selected from the group consisting of a sponge, a non-woven material, a woven material, an extruded film, a laminate, and combinations thereof.

19. The system of claim 1 , wherein the alkalinity generating component comprises an electrochemical unit capable of producing a source of alkalinity, and an inlet in fluid communication with the electrochemical cell, wherein the inlet provides a source of alkali metal carbonate, bicarbonate, and mixtures thereof to the electrochemical cell.

20. The system of claim 1 , further comprising an additional ingredient inlet in fluid communication with the outlet, wherein the additional ingredient inlet is capable of providing an additional ingredient to the washing system and consists essentially of a surfactant and/or is substantially free of a source of alkalinity and/or a builder.

Assignments (1)
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Sep 22, 2010
From: SMITH, KIM R.; OLSON, KEITH E.; OLSON, ERIK C.; RISCHMILLER, MICHAEL S.
To: ECOLAB USA INC.
Reel/Frame 025028/0355 →
Continuity (2)
Provisional Application 61245060 · Sep 23, 2009
Related Publication 20110067732A1 · Mar 24, 2011