Method and equipment for preparing hypochlorous acid by combining gas-liquid synthesis with ion exchange method

A technology of ion exchange method and ion exchanger, which is applied in the field of hypochlorous acid preparation combined with gas-liquid synthesis and ion exchange method, can solve the problems of potential safety hazards and other problems, and achieve the effect of good disinfection effect, stable performance and long storage time

Pending Publication Date: 2021-03-16
中山市原域企业投资有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

This method uses acidity such as hydrochloric acid to adjust the pH value, and the process of mixing sodium hypochlorite and acid will cause potential safety hazards.

Method used

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  • Method and equipment for preparing hypochlorous acid by combining gas-liquid synthesis with ion exchange method
  • Method and equipment for preparing hypochlorous acid by combining gas-liquid synthesis with ion exchange method

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0029] A kind of gas-liquid synthesis of the present invention combines the method for ion exchange method to prepare hypochlorous acid, comprises the following steps:

[0030] S1. Use the pre-filter 1 to process tap water to obtain purified water; the water flow rate is adjusted to 5L / min, and the water pressure is 0.5MPa. The pre-filter 1 is a three-stage filter device, and the three-stage filter device includes a 1 micron microporous PP cotton filter 11 connected in sequence, a second-stage activated carbon filter 12, and an acidic cation exchange resin filter 13. The micron microporous PP cotton filter 11 filters out large particle impurities in tap water; the second-stage activated carbon filter 12 absorbs organic matter and microbial impurities in tap water; the acidic cation exchange resin filter 13 filters out heavy metal impurities in tap water and cations.

[0031] S2, add hypochlorite solution and purified water in step S1 in hypochlorite solution diluter 2, obtain...

Embodiment 2

[0035] A kind of gas-liquid synthesis of the present invention combines the method for ion exchange method to prepare hypochlorous acid, comprises the following steps:

[0036]S1. Use the pre-filter 1 to process tap water to obtain purified water; the water flow rate is adjusted to 100L / min, and the water pressure is 0.1MPa. The pre-filter 1 is a three-stage filter device, and the three-stage filter device includes a 1 micron microporous PP cotton filter 11 connected in sequence, a second-stage activated carbon filter 12, and an acidic cation exchange resin filter 13. The micron microporous PP cotton filter 11 filters out large particle impurities in tap water; the second-stage activated carbon filter 12 absorbs organic matter and microbial impurities in tap water; the acidic cation exchange resin filter 13 filters out heavy metal impurities in tap water and cations.

[0037] S2, add hypochlorite solution and purified water in step S1 in hypochlorite solution diluter 2, obtai...

Embodiment 3

[0041] A kind of gas-liquid synthesis of the present invention combines the method for ion exchange method to prepare hypochlorous acid, comprises the following steps:

[0042] S1. Use the pre-filter 1 to process tap water to obtain purified water; the water flow rate is adjusted to 50L / min, and the water pressure is 0.3MPa. The pre-filter 1 is a three-stage filter device, and the three-stage filter device includes a 1 micron microporous PP cotton filter 11 connected in sequence, a second-stage activated carbon filter 12, and an acidic cation exchange resin filter 13. The micron microporous PP cotton filter 11 filters out large particle impurities in tap water; the second-stage activated carbon filter 12 absorbs organic matter and microbial impurities in tap water; the acidic cation exchange resin filter 13 filters out heavy metal impurities in tap water and cations.

[0043] S2. Add the hypochlorite solution and the purified water in step S1 to the hypochlorite solution dilu...

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Abstract

The invention discloses a method and equipment for preparing hypochlorous acid by combining gas-liquid synthesis with an ion exchange method, and the preparation method comprises the following steps:S1, treating tap water by adopting a pre-filter to obtain purified water; S2, adding a hypochlorite solution and the purified water in the step S1 into a hypochlorite solution diluting device to obtain a hypochlorite diluted solution; S3, adding the hypochlorite solution obtained in the step S2 into a mixer, and conveying carbon dioxide gas into the mixer through a pipeline for mixing reaction toobtain a hypochlorous acid mixed solution with the concentration of 10ppm to 5000 ppm and the pH value of 4.0-8.0; and S4, carrying out ion exchange on the hypochlorous acid mixed solution obtained inthe step S3 through an ion exchanger to remove heavy metal ions so as to obtain a slightly acidic hypochlorous acid product with the pH value of 4.0-6.8. The product disclosed by the invention is stable in performance, good in sterilization and disinfection effects, long in preservation time, non-toxic and odorless.

Description

technical field [0001] The invention relates to a method for preparing hypochlorous acid by gas-liquid synthesis combined with an ion exchange method, and also relates to a device used in the above preparation method. Background technique [0002] Disinfectants are used to kill pathogenic microorganisms on the transmission medium, so that the transmission medium can meet the requirements of harmlessness. At the same time, disinfectants can also cut off the transmission route of infectious diseases and achieve the purpose of controlling infectious diseases. At present, the disinfectants used on the surface of objects mainly include ozone-based disinfectants, alcohol-based disinfectants and chlorine disinfectants. Among them, chlorine disinfectants have a wide range of applications and can be used for human skin and mucous membranes, drinking water, tableware, melons and fruits. Disinfection of vegetables and environment etc. [0003] Chlorine disinfectant in the prior art ma...

Claims

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Application Information

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IPC IPC(8): C02F9/04C25B1/26C01B11/04C02F101/20C02F101/30
CPCC02F9/00C25B1/26C01B11/04C02F1/001C02F1/283C02F1/42C02F2001/425C02F2303/04C02F2101/20C02F2101/30
Inventor 东方晓
Owner 中山市原域企业投资有限公司
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