Electrochemical activation of water

Abstract

A sprayer apparatus includes a spray nozzle in fluid communication with a reservoir for an aqueous salt solution; at least two electrodes spaced apart from each other integrated into the reservoir; a controller structured to apply electricity to the at least two electrodes, wherein the controller controls an application of electricity to cause a first one of the at least two electrodes to be positively charged and a second one of the at least two electrodes to be negatively charged; and wherein the sprayer apparatus is configured to produce air bubbles during application of electricity, wherein the air bubbles cause agitation and mixing of the aqueous salt solution.

1 . A sprayer apparatus, comprising:
 a spray nozzle in fluid communication with a reservoir for an aqueous salt solution;   at least two electrodes spaced apart from each other integrated into the reservoir; and   controller structured to apply electricity to the at least two electrodes, wherein the controller controls an application of electricity to cause a first one of the at least two electrodes to be positively charged and a second one of the at least two electrodes to be negatively charged;   wherein the sprayer apparatus is configured to produce air bubbles during application of electricity, wherein the air bubbles cause agitation and mixing of the aqueous salt solution.   
     
     
         2 . The sprayer apparatus of  claim 1 , further comprising, a digital user interface structured to display an operation indicator that changes with a polarity of the at least two electrodes. 
     
     
         3 . The sprayer apparatus of  claim 1 , wherein the controller is further structured to reverse a polarity of at least one of the at least two electrodes in response to reaching a pre-determined time during operation of the sprayer apparatus. 
     
     
         4 . The sprayer apparatus of  claim 1 , wherein the controller is further structured to operate the sprayer apparatus at an amperage of greater than 4 Amps. 
     
     
         5 . The sprayer apparatus of  claim 1 , wherein the at least two electrodes are iridium-coated. 
     
     
         6 . The sprayer apparatus of  claim 1 , further comprising, at least one sensor for determining an amount of at least one of a product or a by-product of at least one of an electrochemical activation (ECA) product solution of the sprayer apparatus or the aqueous salt solution. 
     
     
         7 . The sprayer apparatus of  claim 6 , wherein the at least one sensor is selected from the sensors consisting of: a free available chlorine (FAC) sensor, a pH sensor, an electrode temperature sensor, and an aqueous salt solution resistance sensor. 
     
     
         8 . The sprayer apparatus of  claim 6 , wherein the controller controls the application of electricity in response to the sensed at least one of the product or the by-product. 
     
     
         9 . The sprayer apparatus of  claim 6 , wherein the at least one sensor is configured to measure at least one parameter selected from the parameters consisting of: a concentration of a product, a concentration of a reactant, and a concentration of an active species. 
     
     
         10 . The sprayer apparatus of  claim 1 , further comprising, an impeller disposed in the reservoir for mixing the aqueous salt solution in the reservoir, and wherein the controller controls the impeller during the application of electricity. 
     
     
         11 . The sprayer apparatus of  claim 1 , an impeller disposed in the reservoir for mixing solution in the reservoir. 
     
     
         12 . The sprayer apparatus of  claim 11 , wherein the impeller is disposed on an inner surface of the reservoir. 
     
     
         13 . A sprayer apparatus, comprising:
 a spray nozzle in fluid communication with a reservoir for an aqueous salt solution;   a submersible housing with at least two electrodes spaced apart from each other within the submersible housing, wherein the submersible housing is adapted to be immersed into the reservoir; and   a controller electrically coupled to the at least two electrodes, wherein the controller controls application of electricity to cause a first one of the at least two electrodes to be positively charged and a second one of the at least two electrodes to be negatively charged,   wherein the sprayer apparatus is configured to produce air bubbles during application of electricity, and wherein the air bubbles cause agitation and mixing of the aqueous salt solution.   
     
     
         14 . The sprayer apparatus of  claim 13 , further comprising a digital user interface structured to display an operation indicator that changes with a polarity of the at least two electrodes. 
     
     
         15 . The sprayer apparatus of  claim 13 , wherein the controller is further structured to reverse a polarity of at least one of the at least two electrodes in response to reaching a pre-determined time during operation of the sprayer apparatus. 
     
     
         16 . The sprayer apparatus of  claim 13 , wherein the controller is further structured to operate the sprayer apparatus at an amperage of greater than 4 Amps. 
     
     
         17 . The sprayer apparatus of  claim 13 , wherein the at least two electrodes are iridium-coated. 
     
     
         18 . The sprayer apparatus of  claim 13 , further comprising, at least one sensor for determining an amount of at least one of a product or a by-product of at least one of an electrochemical activation (ECA) product solution of the sprayer apparatus or the aqueous salt solution. 
     
     
         19 . The sprayer apparatus of  claim 18 , wherein the at least one sensor is selected from the sensors consisting of: a free available chlorine (FAC) sensor, a pH sensor, an electrode temperature sensor, and an aqueous salt solution resistance sensor. 
     
     
         20 . The sprayer apparatus of  claim 18 , wherein the controller controls the application of electricity in response to the sensed at least one of the product or the by-product. 
     
     
         21 . The sprayer apparatus of  claim 18 , wherein the at least one sensor is configured to measure at least one parameter selected from the parameters consisting of: a concentration of a product, a concentration of a reactant, and a concentration of an active species. 
     
     
         22 . The sprayer apparatus of  claim 13 , further comprising, an impeller disposed in the submersible housing for mixing the aqueous salt solution in the reservoir, and wherein the controller controls the impeller during the application of electricity. 
     
     
         23 . The sprayer apparatus of  claim 13 , an impeller disposed in the submersible housing for mixing solution in the reservoir. 
     
     
         24 . The sprayer apparatus of  claim 23 , wherein the impeller is disposed on an inner surface of the reservoir.