CN104709964A - Method for producing hydroxyl radicals - Google Patents
Method for producing hydroxyl radicals Download PDFInfo
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- CN104709964A CN104709964A CN201510130719.1A CN201510130719A CN104709964A CN 104709964 A CN104709964 A CN 104709964A CN 201510130719 A CN201510130719 A CN 201510130719A CN 104709964 A CN104709964 A CN 104709964A
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Abstract
The invention provides a method for producing hydroxyl radicals, which is designed for solving the technical problem that existing hydroxyl radical production methods are tedious in step and low in production efficiency. The method comprises the following steps: discharging a mixed gas of ozone produced by ozone preparation equipment and oxygen in a closed container loaded with liquid; and in the closed container, carrying out illumination on the liquid in which the mixed gas of ozone and oxygen is discharged by using ultraviolet lights with a wavelength of 185 nm and 253.7 nm or 200-280 nm, so that the oxygen is converted into ozone, and meanwhile, after singlet-state elemental oxygen is decomposed from the ozone, pulling water molecules by using the singlet-state elemental oxygen, so that hydroxyl radicals are finally formed. In the closed container filled with the liquid, ultraviolet lights with two kinds of wavelengths or wavelength sections are simultaneously used for carrying out illumination on oxygen and ozone, therefore, the method for producing hydroxyl radicals is simple, easy to do and high in efficiency, and can obtain a high-concentration hydroxyl radical aqueous solution, and the flexibility of the concentration of the high-concentration hydroxyl radical aqueous solution can be adjusted according to actual circumstances.
Description
Technical field
The present invention relates to ozone application technical field, be specifically related to a kind of hydroxyl radical free radical production method.
Background technology
Ozone (O
3) oxidation capacity extremely strong, redox potential is 2.07V, its redox potential is only second to fluorine, the cell walls of decomposing bacteria can be destroyed, spread in cell soon, the necessary glucose oxidase of oxygenolysis bacterium internal oxidation sugar etc., also can directly and bacterium, virus have an effect, destroy cell, Yeast Nucleic Acid, decompose thymus nucleic acid, the metabolism of bacterium and reproductive process are destroyed, has therefore been widely used in the fields such as water treatment, purifying air, food-processing, medical treatment, medicine, aquaculture.
But in the process of ozone sterilization sterilization, can have damage to various article, the higher damage to article of concentration is heavier; And too much ozone has stimulation to human respiratory tract's mucous membrane, cause the discomfort such as dry, cough; In recent years, occur using hydroxyl radical free radical (.OH) to carry out the mode of sterilization and disinfection, its redox current potential is 2.8V, because redox potential is higher, oxidisability is stronger, and therefore, the energy force rate ozone of the oxidation disinfection sterilizing of .OH is also eager to excel, chain reaction fast can be all there is, non-selectivity objectionable impurities is oxidized in it with most organic pollutants.
The preparation method of current hydroxyl radical free radical mainly uses Electro-Fenton process, electrolytic oxidation, semi-conductor electricity catalytic reaction and semiconductor photoelectrocatalysielectrode method etc., the forming steps that these methods have is loaded down with trivial details, have to produce efficiency lower, be not all suitable for the popularization of industrial sector.
Summary of the invention
The invention provides a kind of hydroxyl radical free radical production method, loaded down with trivial details and produce inefficient technical problem to solve the existing method steps producing hydroxyl radical free radical.
For reaching above-mentioned technical purpose, the present invention realizes by the following technical solutions:
Propose a kind of hydroxyl radical free radical production method, comprising: the ozone produce Ozone generation equipment and the mixed gas of oxygen enter and be mounted with in the closed container of liquid; In described closed container, the aqueous solution of UV-light to the mixed gas entering ozone and oxygen irradiates to use wavelength to be 185nm, is produced ozone to make oxygen by after the described wavelength UV-irradiation that is 185nm; Simultaneously, wavelength is used to irradiate for the aqueous solution of UV-light to the mixed gas entering ozone and oxygen that 253.7nm or wavelength are 200nm-280nm, after going out singlet atomic oxygen to make ozone decomposed, pull open water molecules by singlet atomic oxygen and form hydroxyl radical free radical.
Further, the katalaze enzyme containing active oxygen atom is included in described liquid.
Further, described liquid is water.
Further, described Ozone generation equipment comprises ozone machine, hydrogen peroxide machine or dioxide peroxide machine.
Further, the described katalaze enzyme containing active oxygen atom is sodium peroxide, dioxide peroxide or hydrogen peroxide.
Further, described is 0mg-1000mg/L containing the katalaze enzyme of active oxygen atom and the ratio of described liquid.
The technique effect of the technical scheme that the embodiment of the present invention proposes or advantage are: in the hydroxyl radical free radical production method that the embodiment of the present invention proposes, the ozone produce Ozone generation equipment and the mixed gas of oxygen enter and are mounted with in the closed container of liquid, ozone is after wavelength be 253.7nm or wavelength is the UV-irradiation of 200-280nm, be decomposed into singlet atomic oxygen and oxygen, singlet atomic oxygen is by water molecules H
2o pulls open and generates the hydroxyl radical free radical aqueous solution, simultaneously, the oxygen that ozone decomposed goes out and the oxygen that Ozone generation equipment produces regenerate ozone after the UV-irradiation that wavelength is 185nm, the ozone of regeneration generates hydroxyl radical free radical through the UV-irradiation of wavelength to be 253.7nm or wavelength be 200-280nm, the hydroxyl radical free radical generated is dissolved in the hydroxyl radical free radical aqueous solution again, increases the concentration of the hydroxyl radical free radical aqueous solution, and the UV-irradiation that the oxygen gone out by ozone decomposed continues by wavelength is 185nm regenerates ozone, achieve the recycle of oxygen recovery ozone, in recycle, also continue the concentration increasing hydroxyl radical solution, the katalaze enzyme containing active oxygen atom can also be increased in the liquid of closed container, Sauerstoffatom is decomposited under making katalaze enzyme be 253.7nm or wavelength be the UV-irradiation of 200-280nm at wavelength, and pull open water molecules generation hydroxyl radical free radical, which further increases the concentration of the hydroxyl radical free radical aqueous solution, and katalaze enzyme can be added according to the actual requirements to control the concentration of hydroxyl radical free radical, in the method for above-mentioned generation hydroxyl radical free radical, be 185nm by wavelength simultaneously, the ultraviolet lamp of 253.7nm or 200-280nm is placed in sealed vessel, make the UV-light of two kinds of wavelength irradiate liquid in closed container simultaneously, institute responds and occurs in same closed container simultaneously, make this production method simple possible, and the efficiency producing hydroxyl radical free radical is high, what obtain is the hydroxyl radical free radical aqueous solution of high density, the hydroxyl radical free radical aqueous solution of this high density is applied to food, air, water, the sterilization and disinfection of medical facilities etc., method simple possible, possesses disinfection effect thoroughly and efficiency advantages of higher.
Accompanying drawing explanation
Fig. 1 is the method flow diagram of the hydroxyl radical free radical production method that the embodiment of the present invention proposes.
Embodiment
The invention provides a kind of hydroxyl radical free radical production method, loaded down with trivial details and produce inefficient technical problem to solve the existing method steps producing hydroxyl radical free radical.
For making technical scheme of the invention process and advantage clearly, below in conjunction with the accompanying drawing in the embodiment of the present invention, clear, complete description is carried out to the technical scheme in the embodiment of the present invention.
As shown in Figure 1, be the method flow diagram of the hydroxyl radical free radical production method that the present invention proposes, comprise the following steps:
Step S1: the ozone produce Ozone generation equipment and the mixed gas of oxygen enter and be mounted with in the closed container of liquid.
Ozone generation equipment uses ozone machine usually, ozone machine at generation 1 ozone molecule simultaneously, also can produce 9 oxygen molecules, what therefore produce is the mixed gas of ozone and oxygen, being entered by mixed gas is mounted with in the closed container of liquid, this closed container ensures that ozone and oxygen can not be leaked in external environment, especially ensures that ozone can not leak and causes the discomfort of human body.
Certainly, Ozone generation equipment is not limited only to use ozone machine, uses hydrogen peroxide machine, dioxide peroxide machine, and the equipment containing active oxygen atom material of can producing is also within protection scope of the present invention.
Step S2: in this closed container, the aqueous solution of UV-light to the mixed gas entering ozone and oxygen irradiates to use wavelength to be 185nm, is produced ozone to make oxygen by after the wavelength UV-irradiation that is 185nm;
Step S3: simultaneously, wavelength is used to irradiate for the aqueous solution of UV-light to the mixed gas entering ozone and oxygen that 253.7nm or wavelength are 200nm-280nm, after going out singlet atomic oxygen to make ozone decomposed, pull open water molecules by singlet atomic oxygen and form hydroxyl radical free radical.
Place in closed container simultaneously and can send the ultraviolet lamp that wavelength is 185nm, 253.7nm or 200nm-280nm UV-light, the liquid being mixed with ozone and oxygen is irradiated; This wherein, the ultraviolet ultraviolet lamp sending 185nm and 253.7nm adopts common mercury lamp UV-lamp, and the ultraviolet lamp sending 200-280nm UV-light adopts deep ultraviolet LED.
In ozone and oxygen mixed gas, under 1 ozone molecule be 253.7nm or wavelength is the UV-irradiation of 200nm-280nm at wavelength, be decomposed into 1 singlet atomic oxygen and 1 oxygen, 1 singlet atomic oxygen pulls open 1 water molecules H under be 253.7nm or wavelength being the UV-irradiation of 200nm-280nm at wavelength
2o, generates two hydroxyl radical free radical .OH, and hydroxyl radical free radical is the water-soluble formation hydroxyl radical free radical aqueous solution immediately.
Because the redox potential of hydroxyl radical free radical is also higher than the redox potential of ozone, the ability of its sterilization sterilizing is also just higher, use this hydroxyl radical free radical aqueous solution to good sterilization effect such as food, air, medicine equipments, use range is extensive, and there is no secondary pollution, damage can not be caused to environment and human body.
Relative to 1 ozone molecule that ozone machine produces, also along with creating 9 oxygen molecules, simultaneously, owing to decompositing 1 oxygen molecule while ozone decomposed 1 singlet atomic oxygen, then relative to for generating 1 singlet oxygen atom of 2 .OH, also along with creating 10 oxygen molecules with water molecules; These oxygen are irradiated it by the UV-light that wavelength is 185nm, obtain the ozone molecule of about 7 regeneration.
Then the ozone molecule of 7 regeneration is 253.7nm or wavelength through wavelength is the UV-irradiation of 200nm-280nm, be decomposed into 7 singlet oxygen atoms and 7 oxygen molecules, these 7 singlet oxygen atoms are 253.7nm or wavelength through wavelength is the UV-irradiation of 200nm-280nm, pull open 7 water moleculess, generate 14 hydroxyl radical free radical .OH; These 14 hydroxyl radical free radicals are dissolved in the liquid of closed container immediately, and the concentration of the hydroxyl radical free radical aqueous solution is improve more than 8 times; And 7 remaining oxygen molecules produce ozone through the UV-irradiation that wavelength is 185nm, and continue finally to be produced hydroxyl radical free radical by after wavelength to be 253.7nm or wavelength the be UV-irradiation of 200nm-280nm.
Visible, use the hydroxyl radical free radical production method that the embodiment of the present invention proposes, place the ultraviolet lamp that wavelength is 185nm, 253.7nm or 200-280nm in the closed container being mounted with liquid simultaneously, make the UV-light of two kinds of wavelength irradiate liquid in closed container simultaneously, institute responds and occurs in same closed container simultaneously, make the method simple possible producing hydroxyl radical free radical, and the efficiency of the hydroxyl radical free radical produced is high, what obtain is the hydroxyl radical free radical aqueous solution of high density.
The hydroxyl radical free radical aqueous solution that the ozone only using ozone machine to produce produces for UV-irradiation that 253.7nm or wavelength are 200nm-280nm through wavelength, its concentration is low, use this solution to substance germicide sterilizations such as food, need 50-60 minute consuming time, length consuming time, sterilization and disinfection efficiency is low, and use the hydroxyl radical free radical aqueous solution of the high density produced in the invention process to carry out sterilization and disinfection, disinfection time can be shortened to 3-4 minute, significantly improve sterilization and disinfection efficiency, and disinfection effect is better, and method steps simple possible.
Liquid in above-mentioned closed container can be only water, such as ortho-water or pure water; Also can be the aqueous solution increasing the katalaze enzyme had containing active oxygen atom; Can also for containing the liquid of sodium hydroxide, the sodium hydroxide of alkalescence can in and acidic substance in water; Liquid in above-mentioned closed container and can also need to increase other benefit materials according to actual service condition, as long as the .OH that this material does not produce with present method reacts, also can not produce unsuitable by product.
Katalaze enzyme containing active oxygen atom can be sodium peroxide or hydrogen peroxide or chlorine peroxide, this katalaze enzyme containing active oxygen atom is placed in the liquid of closed container, be 253.7nm or wavelength through wavelength be the UV-irradiation of 200nm-280nm, decomposite singlet oxygen atom, singlet oxygen atom pulls open water molecules and generates hydroxyl radical free radical, the generating rate of hydroxyl radical free radical can be accelerated, further increase the concentration of the hydroxyl radical free radical aqueous solution.
And while sodium peroxide release singlet oxygen atom generates hydroxyl radical free radical under photochemical effect, generate sodium hydroxide, acid substance in sodium hydroxide energy and in water, generates the sodium salt material had no side effect, is more suitable for the cleaning to food, tableware and medicine equipment etc.And while hydrogen peroxide release singlet oxygen atom generates hydroxyl radical free radical under photochemical effect, also generate water, there is not toxic side effect material.
A kind of preferred embodiment is that the katalaze enzyme containing active oxygen atom and the ratio of water are 0mg-1000mg/L.
Use the hydroxyl radical free radical production method that the embodiment of the present invention proposes, UV-light in conjunction with two kinds of wavelength or wavelength period: 253.7nm or 200-280nm and 185nm, wherein, the UV-light of 253.7nm and 185nm adopts mercury lamp ultraviolet lamp to produce, and the UV-light of 200-280nm uses the generations such as deep ultraviolet LED; Mercury lamp or deep ultraviolet LED are placed in closed container, and ozone decomposites singlet oxygen atom immediately, and pulls open water molecules immediately and generate hydroxyl radical free radical soluble in water, finally generates the hydroxyl radical free radical aqueous solution, is swift in response efficient; In conjunction with the mode that circulating oxygen utilizes in process, be ozone, can obtain the hydroxyl radical free radical aqueous solution of high density by oxygen conversion, whole production process method is simple, and the hydroxyl radical free radical produced to produce efficiency high.Use the hydroxyl radical free radical aqueous solution of high density carry out disinfection to food, air, sewage, medicine equipment, tableware etc. and clean or spray, all can play efficient sterilization and disinfection effect, and method simple possible, there is the meaning of Industry Promotion.
It should be noted that; above-mentioned explanation is not limitation of the present invention; the present invention is also not limited in above-mentioned citing, the change that those skilled in the art make in essential scope of the present invention, modification, interpolation or replacement, also should belong to protection scope of the present invention.
Claims (6)
1. a hydroxyl radical free radical production method, is characterized in that, comprising:
The ozone produce Ozone generation equipment and the mixed gas of oxygen enter and are mounted with in the closed container of liquid;
In described closed container, the liquid of UV-light to the mixed gas entering ozone and oxygen irradiates to use wavelength to be 185nm, is produced ozone to make oxygen by after the described wavelength UV-irradiation that is 185nm;
Simultaneously, wavelength is used to irradiate for the liquid of UV-light to the mixed gas entering ozone and oxygen that 253.7nm or wavelength are 200nm-280nm, after going out singlet atomic oxygen to make ozone decomposed, pull open water molecules by singlet atomic oxygen and form hydroxyl radical free radical.
2. hydroxyl radical free radical production method according to claim 1, is characterized in that, includes the katalaze enzyme containing active oxygen atom in described liquid.
3. hydroxyl radical free radical production method according to claim 1, is characterized in that, described liquid is water.
4. hydroxyl radical free radical production method according to claim 1, is characterized in that, described Ozone generation equipment comprises ozone machine, hydrogen peroxide machine or dioxide peroxide machine.
5. hydroxyl radical free radical production method according to claim 1, is characterized in that, the described katalaze enzyme containing active oxygen atom is sodium peroxide, dioxide peroxide or hydrogen peroxide.
6. hydroxyl radical free radical production method according to claim 2, is characterized in that, described is 0mg-1000mg/L containing the katalaze enzyme of active oxygen atom and the ratio of described liquid.
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| CN201510130719.1A CN104709964A (en) | 2015-03-24 | 2015-03-24 | Method for producing hydroxyl radicals |
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| CN201510130719.1A CN104709964A (en) | 2015-03-24 | 2015-03-24 | Method for producing hydroxyl radicals |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105621586A (en) * | 2016-01-01 | 2016-06-01 | 深圳市利源水务设计咨询有限公司 | Raw water treatment process and system based on ultraviolet light technology |
| CN111620486A (en) * | 2020-04-22 | 2020-09-04 | 山东大学 | UV-LED/O3Method for treating hexazinone pesticide wastewater in combined mode |
| WO2022047878A1 (en) * | 2020-09-01 | 2022-03-10 | 刘传林 | Liquid gas industrialized application system |
| WO2023249571A1 (en) * | 2022-06-23 | 2023-12-28 | Ponglikhittanon Apichet | Method and system for gas treatment and purification using modified advanced oxidation technology |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101524124A (en) * | 2009-05-05 | 2009-09-09 | 刘传林 | Harmless processing method of raw and fresh food |
| CN103723803A (en) * | 2013-12-19 | 2014-04-16 | 刘传林 | Method and device for disinfecting, detoxifying and purifying water by using hydroxyl radicals |
| CN104016511A (en) * | 2014-05-27 | 2014-09-03 | 轻工业环境保护研究所 | Ozone / photocatalysis oxidation-membrane separation integrated method and integrated set for advanced wastewater treatment |
-
2015
- 2015-03-24 CN CN201510130719.1A patent/CN104709964A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101524124A (en) * | 2009-05-05 | 2009-09-09 | 刘传林 | Harmless processing method of raw and fresh food |
| CN103723803A (en) * | 2013-12-19 | 2014-04-16 | 刘传林 | Method and device for disinfecting, detoxifying and purifying water by using hydroxyl radicals |
| CN104016511A (en) * | 2014-05-27 | 2014-09-03 | 轻工业环境保护研究所 | Ozone / photocatalysis oxidation-membrane separation integrated method and integrated set for advanced wastewater treatment |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105621586A (en) * | 2016-01-01 | 2016-06-01 | 深圳市利源水务设计咨询有限公司 | Raw water treatment process and system based on ultraviolet light technology |
| CN105621586B (en) * | 2016-01-01 | 2018-07-06 | 深圳市利源水务设计咨询有限公司 | A kind of original sub-block technique and system based on ultraviolet Technology |
| CN111620486A (en) * | 2020-04-22 | 2020-09-04 | 山东大学 | UV-LED/O3Method for treating hexazinone pesticide wastewater in combined mode |
| CN111620486B (en) * | 2020-04-22 | 2021-09-28 | 山东大学 | UV-LED/O3Method for treating hexazinone pesticide wastewater in combined mode |
| WO2022047878A1 (en) * | 2020-09-01 | 2022-03-10 | 刘传林 | Liquid gas industrialized application system |
| WO2023249571A1 (en) * | 2022-06-23 | 2023-12-28 | Ponglikhittanon Apichet | Method and system for gas treatment and purification using modified advanced oxidation technology |
| WO2023249570A1 (en) * | 2022-06-23 | 2023-12-28 | Ponglikhittanon Apichet | Method and system for gas treatment and purification by modified advanced oxidation technology |
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