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Preparation method of acidic electrolyzed water

A technology of acidic potential water and water bath, which is applied in chemical instruments and methods, water/sewage treatment, water/sludge/sewage treatment, etc. The effect of reaction efficiency, increasing specific surface area, and optimal sterilization effect

Pending Publication Date: 2020-08-28
WUXI HUOBAN COSMETIC TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] However, at present, there are not many domestic researches on the preparation process of acidic oxidation potential water.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0030] A preparation method of acid potential water, comprising the following steps:

[0031] 1) Pretreatment of graphite rods

[0032] Put the graphite rod in 3.5mol / L nitric acid in 70°C water bath for 8h, then in 5mol / L nitric acid in 80°C water bath for 12h, rinse with deionized water, and dry for later use; the whole water bath process is carried out in a microwave environment.

[0033] 2) Hydrothermal pretreatment

[0034] Drop into the pH adjustment solution in the aqueous solution of dodecylamine, the pH adjustment solution is ammonia water, adjust pH to 9, then drop into isopropoxide titanium salt solution and cerium nitrate solution wherein, make Ti 4+ The concentration is 0.1mol / L, Ce 4+ The concentration is 0.02mol / L, stir until a colloidal precipitate is formed, and stand for 20min;

[0035] 3) Hydrothermal reaction

[0036] Then the colloidal precipitate that described step 2) obtains is placed in the hydrothermal reactor, and the graphite rod that is process...

Embodiment 2

[0043] A preparation method of acid potential water, comprising the following steps:

[0044] 1) Pretreatment of graphite rods

[0045] Put the graphite rod in 4mol / L nitric acid in 75°C water bath for 8h, then in 5.2mol / L nitric acid in 85°C water bath for 12h, rinse with deionized water, and dry for later use; the whole water bath process is carried out in a microwave environment.

[0046] 2) Hydrothermal pretreatment

[0047] Drop into the pH adjustment solution in the aqueous solution of dodecylamine, the pH adjustment solution is ammonia water, adjust pH to 9, then drop into isopropoxide titanium salt solution and cerium nitrate solution wherein, make Ti 4+ The concentration is 0.1mol / L, Ce 4+ The concentration is 0.025mol / L, stir until a colloidal precipitate is formed, and stand for 20min;

[0048] 3) Hydrothermal reaction

[0049] Then the colloidal precipitation obtained in the step 2) is placed in a hydrothermal reactor, and the graphite rod treated in step 1) is...

Embodiment 3

[0055] A preparation method of acid potential water, comprising the following steps:

[0056] 1) Pretreatment of graphite rods

[0057] Put graphite rods in 4.5mol / L nitric acid in 80°C water bath for 8h, then in 5.5mol / L nitric acid in 90°C water bath for 12h, rinse with deionized water, and dry for later use; the whole water bath process is carried out in a microwave environment.

[0058] 2) Hydrothermal pretreatment

[0059] Drop into the pH adjustment solution in the aqueous solution of dodecylamine, the pH adjustment solution is ammonia water, adjust pH to 10, then drop into isopropoxide titanium salt solution and cerium nitrate solution therein, make Ti 4+ The concentration is 0.15mol / L, Ce 4+ The concentration is 0.03mol / L, stir until a colloidal precipitate is formed, and stand for 20min;

[0060] 3) Hydrothermal reaction

[0061] Then the colloidal precipitation obtained in the step 2) is placed in a hydrothermal reactor, and the graphite rod treated in step 1) is...

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Abstract

The invention discloses a preparation method of acidic electrolyzed water. The preparation method comprises the following steps: 1) putting a graphite rod into nitric acid for water bath; 2) adding apH regulating solution into an aqueous solution of dodecylamine, adding a titanium isopropoxide solution and a cerous nitrate solution into the mixture, and stirring until colloidal precipitate is generated; 3) putting the colloidal precipitate into a hydrothermal reactor, putting the graphite rod into the colloidal precipitate, putting the hydrothermal reactor into a drying oven, and carrying outwashing and drying treatment to obtain a CeO2-TiO2 / graphite electrode; 4) taking the CeO2-TiO2 / graphite electrode as a cathode and an anode of an electrolytic cell, connecting the cathode and the anode of the electrolytic cell with an electrolytic power supply, and adding an electrolyte into the electrolytic cell; and 5) switching on the power supply to carry out an electrolytic reaction, and storing the acidic electrolyzed water after the electrolysis is completed. The preparation method is simple to operate and high in electrolysis efficiency, the pH value of the acidic electrolyzed water prepared by the method reaches 2.3-2.5, and the acidic electrolyzed water has a relatively good sterilization effect.

Description

technical field [0001] The invention relates to the field of acid potential water preparation. More specifically, the present invention relates to a method for preparing acidic potential water. Background technique [0002] Acidic oxidation potential water has a significant bactericidal effect, and was first used in the field of medicine. After years of research and practice, the advantages of acidic oxidation potential water sterilization, no residual toxicity after sterilization, harmlessness to the human body, no pollution to the environment, and environmental protection have gradually been accepted by people. Acidic oxidation potential water does not hurt hands, has low use concentration and residue, can be used like tap water, and can be directly used for human body cleaning (emergency measures). Disinfection technology. Its disposal method is also very simple, has little impact on the environment, and the frequency of drug resistance is extremely low, and the concen...

Claims

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Application Information

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IPC IPC(8): C02F1/461
CPCC02F1/4618C02F1/46109C02F2001/46185C02F2001/46138
Inventor 张尧栋
Owner WUXI HUOBAN COSMETIC TECH
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