Preparation method and system of bionic high-purity hypochlorous acid disinfectant fluid

A preparation system and hypochlorous acid technology are applied in the field of preparation of biomimetic high-purity hypochlorous acid disinfection water, and can solve the problems of impure product, low electrolysis yield of slightly acidic hypochlorous acid water, and high electrolysis cost, and achieve Low cost and beneficial to large-scale utilization

Pending Publication Date: 2022-03-01
杭州易沃科信息科技有限公司
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Problems solved by technology

[0005] In order to solve the problems existing in the background technology, the purpose of the present invention is to provide a preparation method and system of bionic high-purity hypochlorous acid disinfection water, so as to solve the problem that the current electrolysis yield of slightly acidic hypochlorous acid water is not high, the product is impure, and the electrolytic high cost problem

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  • Preparation method and system of bionic high-purity hypochlorous acid disinfectant fluid

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Embodiment 1

[0032] This embodiment provides a kind of preparation method of bionic high-purity hypochlorous acid disinfection water, the configuration amount m of the immobilized methyl rhenium trioxide catalyst is 800 mg, the mass concentration of hydrogen peroxide is 3%, and the concentration of sodium chloride is 3%. The mass concentration is 6%, and the mass concentration of hydrochloric acid is 0.3%. The mixing ratio of purified water: hydrogen peroxide: sodium chloride: hydrochloric acid is 500:0.5:1:0.1. The catalytic reaction was carried out at room temperature. After the reaction, the content of hypochlorous acid was measured by DPD spectrophotometry, and the content of hypochlorous acid reached 379.5mg / L; the pH value was measured with a portable pH meter, and the pH value was 6.17; Portable chloride ion detector was used to test, and the residual amount was 213mg / L; chlorate was tested by ion chromatography, and the generated amount was ≤0.01mg / L; the conversion efficiency of c...

Embodiment 2

[0034] This embodiment provides a kind of preparation method of biomimetic high-purity hypochlorous acid disinfection water, the configuration amount m of the immobilized methyl rhenium trioxide catalyst is 1000mg, the mass concentration that adopts hydrogen peroxide is 3.5%, adopts sodium chloride The mass concentration is 5.5%, and the mass concentration of hydrochloric acid is 0.5%. The mixing ratio of purified water: hydrogen peroxide: sodium chloride: hydrochloric acid is 3000:0.5:1:0.15. The catalytic reaction was carried out at room temperature. After the reaction, the content of hypochlorous acid was measured by DPD spectrophotometry, and the content of hypochlorous acid reached 385.1mg / L; the pH value was measured with a portable pH meter, and the pH value was 5.64; The residual amount was 204mg / L when tested by a portable chlorine ion analyzer; the chlorate was tested by an ion chromatograph, and the generated amount was ≤0.01mg / L; the conversion efficiency of chlori...

Embodiment 3

[0036] This embodiment provides a kind of preparation method of biomimetic high-purity hypochlorous acid disinfection water, the configuration amount m of the immobilized methyl rhenium trioxide catalyst is 800mg, the mass concentration of adopting hydrogen peroxide is 2.5%, adopting the concentration of sodium chloride The mass concentration is 5.8%, and the mass concentration of hydrochloric acid is 0.4%. The mixing ratio of purified water: hydrogen peroxide: sodium chloride: hydrochloric acid is 200:0.5:1:0.15. The catalytic reaction was carried out at room temperature. After the reaction, the content of hypochlorous acid was measured by DPD spectrophotometry, and the content of hypochlorous acid reached 179.7mg / L; the pH value was measured with a portable pH meter, and the pH value was 5.49; The residual amount was 108mg / L when tested by a portable chloride ion detector; the chlorate was tested by an ion chromatograph, and the generated amount was ≤0.01mg / L; the conversion...

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Abstract

The invention discloses a preparation method and system of bionic high-purity hypochlorous acid disinfectant fluid, and belongs to the technical field of disinfection. According to the method, a generation mode of hypochlorous acid in human neutrophil is imitated, hydrogen peroxide, sodium chloride and hydrochloric acid with a certain concentration are used as raw materials, methylrhenium trioxide is used as a catalyst to prepare a high-purity hypochlorous acid solution, and meanwhile, the methylrhenium trioxide catalyst is recycled by adopting a reverse osmosis filter membrane filtration method. The hypochlorous acid water obtained by the method is higher in purity, shorter in preparation time and lower in cost.

Description

technical field [0001] The invention belongs to the technical field of disinfection and relates to the preparation of slightly acidic hypochlorous acid water, in particular to a method and system for preparing bionic high-purity hypochlorous acid disinfection water. Background technique [0002] At present, the preparation of slightly acidic hypochlorous acid water mainly adopts electrolysis, and the electrolyte is usually hydrochloric acid or sodium chloride solution. The main problem is that the yield of electrolytic components is not high, and some other by-products will be produced. Secondly, in actual production, hypochlorous acid is generally generated by diaphragm-type electrolysis of sodium chloride or non-diaphragm electrolysis of hydrochloric acid. Due to the low reaction efficiency of the electrolytic cell and the risk of chlorate produced by peroxidation during the electrolysis process, Risk of cytotoxicity when used for medical wound care or for disinfection of ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C01B11/04
CPCC01B11/04Y02P20/584
Inventor 李世通陈仲敏叶章颖
Owner 杭州易沃科信息科技有限公司
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