Method and apparatus for applying electrical charge through a liquid to enhance sanitizing properties
A kind of equipment, liquid technology, applied in the direction of toilet sanitary equipment, cleaning equipment, chemical instruments and methods, etc.
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example 1
[0298] 13.1 Example 1: Electric Field Measurements
[0299] The electric field measurements were performed on the spray bottle of Example 1, which was based on the reference Figure 5 , 6, 10A-10C and 11-14 shown and described embodiments. Five measurements were taken at each linear position along the spray axis from the spray nozzle of Example 1. Figure 20 plots the averaged results. For comparison with water spray results, a length of rubber hose was connected to the outlet of the spray bottle and the potential with respect to ground was measured at the end of the water stream on a 1 megohm load. The rubber hose is then shortened and the measurement repeated until the measurement location is near the sprayer nozzle. A true conductive path is formed by the water flow and four measurements are obtained at each location.
[0300] Figure 20A The potential field (volts peak-peak) as a function of distance (inches) from the nozzle is noted. Figure 20B Label the electric fi...
example 2
[0303] 13.2 Example 2: Antimicrobial Effects
[0304] The efficacy of the spray bottle of Example 2 in reducing bacterial concentration was also measured. The experiment was performed according to E1153-03 of the American Society for Testing and Materials (ASTM) as specified by ASTM International West Conshohocken PA, which is a test for evaluating the antimicrobial efficacy of biocides on inanimate, non-porous, non-food contact surfaces method. Separate samples of treated vectors contained Staphylococcus aureus (ATCC #6538) and Escherichia coli (ATCC #11229).
[0305] The spray bottle of Example 2 was the same as the spray bottle of Example 1 described above, and the spray bottle of Example 2 was also filled with tap water for the experiment. The test method was modified by spraying the treated substrate with the spray bottle of Example 2 for four seconds at a distance in the range of three to four inches from the treated substrate and having an ambient temperature of 20°C....
example 3 and 4
[0309] 13.3 Examples 3 and 4: Antimicrobial Effects
[0310] The efficacy of the spray bottles of Examples 3 and 4 in reducing bacterial load was also measured. Experiments were performed in the same manner as described above for Example 2, with individual samples of treated vectors containing Escherichia coli type O157:H7 (ATCC #35150), Salmonella (ATCC #10708), Pseudomonas aeruginosa (ATCC #15442) , Vancomycin-resistant Enterococcus (VRE) (ATCC #51575) and Methicillin-resistant Staphylococcus aureus (MRSA) (ATCC #33592).
[0311] The spray bottles of Examples 3 and 4 were the same as those of Example 1 described above, wherein the spray bottles of Examples 3 and 4 were also filled with tap water for the experiment. The test method was modified to spray the treated carrier with the spray bottle of Examples 3 and 4 for six seconds at a distance in the range of three to four inches from the treated carrier and have an ambient temperature of 21°C . One-third of the treated ca...
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