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Low corrosive oxidation potential sterilization water and preparation method thereof

A technology of oxidation potential and sterilizing water, which is applied in the direction of botany equipment and methods, fungicides, chemicals for biological control, etc., to achieve the effect of expanding the application range, convenient use, and reducing corrosion

Inactive Publication Date: 2013-05-22
邵鹏飞
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0009] The first object of the present invention is to provide a method for preparing low-corrosivity oxidation potential sterilizing water, to solve the technical problem that acid oxidation potential water has general metal corrosion in the prior art
[0010] The second object of the present invention is to provide a low-corrosivity oxidation potential sterilizing water to solve the technical problem that the acid oxidation potential water in the prior art has general metal corrosion

Method used

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  • Low corrosive oxidation potential sterilization water and preparation method thereof
  • Low corrosive oxidation potential sterilization water and preparation method thereof
  • Low corrosive oxidation potential sterilization water and preparation method thereof

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preparation example Construction

[0059] Therefore, the present invention provides a kind of preparation method of the oxidation potential sterilization water of low corrosivity, comprises the following steps:

[0060] (1) Provide available chlorine supply units that contain available chlorine or can produce available chlorine;

[0061] (2) Provide pH adjustment unit;

[0062] (3) Mixing the pH adjustment unit with the available chlorine supply unit to obtain a strong oxidizing solution, the pH of the strong oxidizing solution is between 2 and 8, and its oxidation-reduction potential is not lower than 600mV, which The content of available chlorine is not less than 3mg / L, and the sum of the content of 3-methylbutyric acid and 3-methylbutyrate ion is not higher than 1.8mol / L.

[0063] The present invention also provides a low-corrosivity oxidation potential sterilizing water, including a pH value adjustment unit and an available chlorine supply unit that are separately packaged before use; the available chlorin...

Embodiment 1

[0088] Embodiment 1: configure 10L oxidation potential sterilization water

[0089] Prepare different pH adjustment units, units A1-A3:

[0090] Prepare sodium dihydrogen phosphate-sodium monohydrogen phosphate buffer solution (pH6-8) with a total concentration of 0.6M, take 10L, fill it, and make A1 unit, the total concentration refers to the sodium dihydrogen phosphate-sodium hydrogen phosphate sum of concentrations;

[0091] Prepare 3-methylbutyric acid / 3-methylsodium butyrate buffer solution (pH4-6) with a total concentration of 1.5M, take 10L, fill it, and make A2 unit, the total concentration refers to 3-methylbutyrate sum of concentrations of acid / sodium 3-methylbutyrate;

[0092] Prepare 3-methylbutyric acid / 3-methylbutyric acid sodium buffer solution (pH2-4) with a total concentration of 1.8M, take 10L and fill it to obtain unit A3. The total concentration refers to 3-methylbutyrate The sum of acid / sodium 3-methylbutyrate concentrations.

[0093] Preparation of di...

Embodiment 2

[0101] Embodiment 2: configure 10L oxidation potential sterilization water

[0102] Preparation of different pH adjustment units, A1-A7 units (solution, [HA / A - ]≥0mol / L):

[0103] Prepare 3-methylbutyric acid solution (1.8M), adjust the hydrochloric acid to pH=2.0, measure 10L, fill it, and make A1 unit (pH2.0), containing [HA / A - ]≈1.8mol / L;

[0104] Prepare 3-methylbutyric acid solution (1.5M), adjust it to pH=3.0 with sodium hydroxide, measure 10L, fill it, and make A2 unit (pH3.0), containing [HA / A - ]≈1.5mol / L;

[0105] Prepare 3-methylbutyric acid solution (1M), adjust it to pH=4.0 with sodium hydroxide, measure 10L, fill it, and prepare A3 unit (pH4.0), containing [HA / A - ]≈1mol / L;

[0106] Prepare 3-methylbutyric acid solution (0.5M), adjust it to pH=5.0 with sodium hydroxide, measure 10L, fill it, and make A4 unit (pH5.0), containing [HA / A - ]≈0.5mol / L;

[0107] Prepare 3-methylbutyrate sodium solution (0.1M), adjust the hydrochloric acid to pH=6.0, measure 10...

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Abstract

The invention relates to the field of sterilization and disinfection, and particularly relates to low corrosive oxidation potential sterilization water and a preparation method thereof. The preparation method of the low corrosive oxidation potential sterilization water comprises the following steps: (1) providing an available chlorine provision unit which contains available chlorine or can generate available chlorine; (2) providing a pH value regulation unit; and (3) mixing the pH value regulation unit and the available chlorine provision unit to obtain a strong oxidizing solution, wherein the pH value of the strong oxidizing solution is 2-8, the oxidation-reduction potential is not lower than 600 mV, the available chlorine content is not lower than 3 mg / L, and the sum of the 3-methylbutyric acid content and the 3-methylbutyrate ion content is not higher than 1.8 mol / L. Compared with the existing acidic oxidation potential sterilization water, the sterilization water prepared by the oxidation potential sterilization water preparation method can reduce the corrosion to metal, thereby widening the application range.

Description

technical field [0001] The invention relates to the field of sterilization and disinfection, in particular to a low-corrosivity oxidation potential sterilization water and a preparation method thereof. Background technique [0002] The concept of introducing redox potential in the field of disinfection originated from the acid oxidation potential water generator developed and produced in Japan in the 1980s and the acid oxidation potential water produced by the generator. Acid Oxidation Potential Water (abbreviation: EOW) refers to water with high oxidation reduction potential (ORP), low pH characteristics and low concentration of available chlorine (ACC). [0003] The mechanism of acid oxidation potential water sterilization is as follows: [0004] First of all, most types of microorganisms in nature live in an environment of pH 4-9, and the pH value of acidic oxidation potential water can affect the charge on the microbial biofilm, the absorption of nutrients, the activity...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A01N59/00A01P1/00A01P3/00
Inventor 邵鹏飞
Owner 邵鹏飞
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