CN111493086A - Acidic oxidation potential aqueous solution capable of killing coronavirus, production device, production process and application thereof - Google Patents
Acidic oxidation potential aqueous solution capable of killing coronavirus, production device, production process and application thereof Download PDFInfo
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01N—PRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTS THEREOF; BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES OR AS HERBICIDES; PEST REPELLANTS OR ATTRACTANTS; PLANT GROWTH REGULATORS
- A01N59/00—Biocides, pest repellants or attractants, or plant growth regulators containing elements or inorganic compounds
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- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25B—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES FOR THE PRODUCTION OF COMPOUNDS OR NON-METALS; APPARATUS THEREFOR
- C25B1/00—Electrolytic production of inorganic compounds or non-metals
- C25B1/01—Products
- C25B1/28—Per-compounds
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- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25B—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES FOR THE PRODUCTION OF COMPOUNDS OR NON-METALS; APPARATUS THEREFOR
- C25B9/00—Cells or assemblies of cells; Constructional parts of cells; Assemblies of constructional parts, e.g. electrode-diaphragm assemblies; Process-related cell features
- C25B9/17—Cells comprising dimensionally-stable non-movable electrodes; Assemblies of constructional parts thereof
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Abstract
The invention discloses an acidic oxidation potential aqueous solution capable of killing coronavirus, a production device, a production process and application thereof; the method comprises the steps of synthesizing hydroxyl radical active oxidation potential aqueous solution and oxygen in an ionic membrane electrocatalytic reactor in a coupling manner under mild conditions by integrating reaction and separation; the hydroxyl free radical active oxidation potential water solution is subjected to synergistic reaction with a food additive and a surfactant to generate a strong oxidizing substance with peroxy groups; the present invention destroys proteins, enzymes and nucleic acids of pathogenic microorganisms by using the high oxidative property of the strong oxidative substance, eventually leading to the death of viruses and pathogenic microorganisms.
Description
Technical Field
The invention relates to the field of disinfectants, in particular to an acidic oxidation potential aqueous solution, especially an acidic oxidation potential aqueous solution capable of killing coronavirus, and a production device, a production process and application thereof. ,
background
Coronaviruses are a large family of viruses known to cause the common cold and more serious diseases such as Middle East Respiratory Syndrome (MERS) and Severe Acute Respiratory Syndrome (SARS), and the main transmission pathways of the novel coronaviruses (2019-nCoV) include respiratory droplet transmission and contact transmission. There is increasing evidence that new coronaviruses may also be transmitted via transmission pathways such as aerosol transmission and fecal-oral transmission.
For the transmission pathway of the novel coronavirus (2019-nCoV), a disinfection treatment using a disinfectant is one of the pathways for blocking the transmission of the virus.
In the prior art, a common disinfectant is a chlorine-containing disinfectant, which has good disinfection performance but has large chlorine odor; the research proves that organic chlorine compounds such as trichloromethane, dioxin and the like can be generated by adding hypochlorite, the carcinogenesis is realized on human beings, and chronic poisoning mainly manifests as vomit, dyspepsia, inappetence, weakness and serious mental disorder. Chronic overexposure can cause damage to the liver, kidneys, and heart. Since large-scale use of disinfectants is required, disinfectants of the chlorine type are not suitable due to the above-mentioned disadvantages.
The invention aims to provide a novel disinfectant, which has good disinfection and antibacterial performance, can eliminate odor and peculiar smell, and has no toxicity and no irritation to skin. The second aspect is a product which meets the national environmental protection requirements, is environment-friendly and has sustainable development prospect. The third aspect is to have a wide market and meet the requirement of people on improving the life quality.
Disclosure of Invention
Aiming at the defects of the disinfectant in the prior art in large-scale use, the invention provides a novel disinfectant, in particular an acidic oxidation potential aqueous solution, and provides a production device, a production process and application thereof.
The invention utilizes the leading edge technology of international fuel cells to prepare the high-efficiency electrocatalytic membrane electrode, and the hydroxyl radical active oxidation potential aqueous solution (namely the oxidation potential aqueous solution) and oxygen are synthesized in an ionic membrane electrocatalytic reactor in a coupled mode by integrating reaction and separation into a whole under mild conditions. The hydroxyl radical active oxidation potential aqueous solution is synergistically reacted with food additives (such as citric acid, acetic acid and the like) and surfactants (such as sulfonate surfactants) to generate a strong oxidizing substance (namely, an acidic oxidation potential aqueous solution) with a peroxy group. The high-level oxidation characteristic of the strong oxidizing substance is utilized to destroy the protein, enzyme and nucleic acid of pathogenic microorganisms, and finally the death of the pathogenic microorganisms is caused.
In a first aspect of the invention, an acidic oxidative potential aqueous solution is disclosed, comprising a hydroxyl radical active oxygen potential aqueous solution (i.e., oxidative potential aqueous solution) and citric acid or acetic acid.
Preferably, the citric acid is food-grade citric acid.
Preferably, the acetic acid is food grade acetic acid.
Preferably, the acidic oxidation potential aqueous solution further comprises a surfactant.
Preferably, the surfactant is a sulfonate surfactant; in particular one or any combination of petroleum sulfonate, alkyl phenyl sulfonate, chain hydrocarbon sulfonate or fatty acid (ester) sulfonate.
Preferably, said one acid oxidation potential aqueous solution is chlorine-free.
The invention discloses a production device of acidic oxidation potential aqueous solution, which comprises an oxidation potential aqueous solution preparation device, a configuration stirring kettle and canning equipment;
wherein, the oxidation potential water solution preparation device comprises an ionic membrane electro-catalytic reactor, an air purification system, a water softening system, an electrolyte system and a power supply which are connected with the ionic membrane electro-catalytic reactor; the ionic membrane electro-catalytic reactor generates oxidation potential aqueous solution through electrochemical reaction and comprises an anode electrode, an anode chamber, a cathode electrode, a cathode chamber and a cation exchange membrane for separating the anode chamber from the cathode chamber.
The oxidation potential water solution and citric acid or acetic acid are prepared into acidic oxidation potential water solution in a preparation stirring kettle, and a finished product is obtained after canning through canning equipment.
Preferably, the air purification system comprises a fan, an air buffer tank and an air purification tower; wherein, the air outlet of the fan is connected with the air inlet of the air buffer tank, the air outlet of the air buffer tank is connected with the air inlet of the air purification tower, and the air outlet of the air purification tower is connected with the ionic membrane electro-catalytic reactor.
Preferably, softened water system include demineralized water column and demineralized water storage tank, the water source (for example running water interface) be connected to the water inlet of demineralized water column, demineralized water storage tank water inlet is connected to demineralized water column delivery port, the delivery port of demineralized water storage tank is connected ionic membrane electro-catalytic reactor.
Preferably, the electrolyte system include concentrated alkali jar and dilution tank, the alkali liquor mouth that goes out of concentrated alkali jar connect the alkali liquor mouth that advances of dilution tank, the dilution tank still is provided with the dilution water inlet, the alkali liquor mouth that goes out of dilution tank connects ion membrane electro-catalytic reactor.
Preferably, the power supply is a direct current power supply.
Preferably, the raw materials required by the ionic membrane electrocatalytic reactor are air, water, electrolyte solution (preferably, sodium hydroxide, potassium hydroxide or a combination of the two), and oxidation potential water solution is generated after direct current power supply. The electrochemical reaction is carried out at low temperature (preferably 40 deg.C) and low pressure (preferably 0.03 MPa).
During electrolysis, Na is generated under the action of an electric field+Or K+Migrating from one fixed negative charge to the next, from the anode compartment of the cell in this way across the ionic membrane into the cathode compartment. Oxygen in the cathode is reduced into OH under the action of an electric field and a catalyst2-Ions; wherein the cation exchange membrane is paired with OH-Has a repulsive action, so that the membrane can not reach the cathode reaction zone through the exchange membrane.
The electrochemical reaction formula is as follows:
and (3) anode reaction: 2OH-→H2O+1/2O2+2e
And (3) cathode reaction: h2O+O2+2e→HO2 -+OH-
And (3) total reaction: OH group-+1/2O2→HO2 -
In a third aspect of the invention, a process for producing an acidic electrolyzed oxidizing aqueous solution is disclosed, which comprises the following steps,
step (1), air enters an air buffer tank from a fan, passes through an air purification tower and then enters an electro-catalytic membrane reactor;
step (2), enabling tap water to enter a softened water storage tank through a softened water column and enter an electro-catalytic membrane reactor;
step (3), diluting the alkali liquor from the concentrated alkali tank in a dilution tank and then entering the electro-catalytic membrane reactor;
step (4), turning on a power supply, electrolyzing the ionic membrane electro-catalytic reactor to generate oxidation potential aqueous solution, cooling the oxidation potential aqueous solution by a cooler, and then entering a medicament storage tank;
and (5) introducing the oxidation potential aqueous solution of the medicament storage tank and citric acid or acetic acid into a preparation stirring tank, uniformly stirring in the preparation stirring tank, and canning through canning equipment to obtain the acidic oxidation potential aqueous solution.
Preferably, the acidic oxidation potential aqueous solution further comprises a surfactant added into the preparation stirring tank. The surfactant is preferably a sulfonate surfactant.
In a fourth aspect of the invention, the use of an acidic oxidative potential aqueous solution for disinfecting and purifying the surfaces of air and objects is disclosed. In particular for the killing of coronaviruses, especially of the novel coronaviruses (2019-nCoV).
The invention achieves remarkable technical effects.
The product of the invention does not contain chlorine, generates oxygen and water after the action, is stable, nontoxic and tasteless, and eliminates the pollution problem of organic chlorine compounds caused by chlorine-containing disinfectants in the prior art after being used; has no obvious irritation to skin, good disinfection and sterilization effect, and can eliminate odor. The invention does not discharge any waste water, waste gas, smoke dust, dust and waste residue in the preparation process; the air is supplied by a fan, and the generated noise reaches the standard specified in GB3096-2008 after treatment.
Drawings
FIG. 1 is a schematic diagram of the electrolysis principle of the ionic membrane electrocatalytic reactor of the present invention.
FIG. 2 is a schematic view of an apparatus for producing an electrolyzed oxidizing aqueous solution according to the present invention.
Detailed Description
The technical solution of the present invention will be further described in detail with reference to the following specific embodiments and accompanying drawings.
Example 1
A production device of acidic oxidation potential aqueous solution comprises an oxidation potential aqueous solution preparation device, a configuration stirring kettle and canning equipment;
wherein, the oxidation potential water solution preparation device comprises an ionic membrane electro-catalytic reactor, an air purification system, a water softening system, an electrolyte system and a power supply which are connected with the ionic membrane electro-catalytic reactor; the ionic membrane electro-catalytic reactor generates oxidation potential aqueous solution through electrochemical reaction and comprises an anode electrode, an anode chamber, a cathode electrode, a cathode chamber and a cation exchange membrane for separating the anode chamber from the cathode chamber.
The oxidation potential water solution and citric acid or acetic acid are prepared into acidic oxidation potential water solution in a preparation stirring kettle, and a finished product is obtained after canning through canning equipment.
The air purification system comprises a fan, an air buffer tank and an air purification tower; wherein, the air outlet of the fan is connected with the air inlet of the air buffer tank, the air outlet of the air buffer tank is connected with the air inlet of the air purification tower, and the air outlet of the air purification tower is connected with the ionic membrane electro-catalytic reactor.
Wherein, softened water system include demineralized water column and demineralized water storage tank, the water inlet of demineralized water column connect water source (for example running water interface), demineralized water storage tank water inlet is connected to demineralized water column delivery port, the delivery port of demineralized water storage tank is connected ion membrane electro-catalytic reactor.
The electrolyte system comprises a concentrated alkali tank and a dilution tank, wherein an alkali liquor outlet of the concentrated alkali tank is connected with an alkali liquor inlet of the dilution tank, the dilution tank is further provided with a dilution water inlet, and an alkali liquor outlet of the dilution tank is connected with the ion membrane electro-catalytic reactor.
Wherein, the power supply is a direct current power supply.
Wherein, the raw materials required by the ionic membrane electro-catalytic reactor are air, water and electrolyte solution (preferably sodium hydroxide, potassium hydroxide or the combination of the sodium hydroxide and the potassium hydroxide), and the oxidation potential aqueous solution is generated after the direct current is powered. The electrochemical reaction is carried out at low temperature (preferably 40 deg.C) and low pressure (preferably 0.03 MPa).
During electrolysis, Na is generated under the action of an electric field+Or K+Migrating from one fixed negative charge to the next, from the anode compartment of the cell in this way across the ionic membrane into the cathode compartment. Oxygen in the cathode is reduced into OH under the action of an electric field and a catalyst2-Ions; wherein the cation exchange membrane is paired with OH-Has a repulsive action, so that the membrane can not reach the cathode reaction zone through the exchange membrane.
The electrochemical reaction formula is as follows:
and (3) anode reaction: 2OH-→H2O+1/2O2+2e
And (3) cathode reaction: h2O+O2+2e→HO2 -+OH-
And (3) total reaction: OH group-+1/2O2→HO2 -
Example 2
A process for producing an electrolyzed oxidizing aqueous solution by using the apparatus of example 1, comprising the steps of,
step (1), air enters an air buffer tank from a fan, passes through an air purification tower and then enters an electro-catalytic membrane reactor;
step (2), enabling tap water to enter a softened water storage tank through a softened water column and enter an electro-catalytic membrane reactor;
step (3), diluting the alkali liquor from the concentrated alkali tank in a dilution tank and then entering the electro-catalytic membrane reactor;
step (4), turning on a power supply, electrolyzing the ionic membrane electro-catalytic reactor to generate oxidation potential aqueous solution, cooling the oxidation potential aqueous solution by a cooler, and then entering a medicament storage tank;
and (5) introducing the oxidation potential aqueous solution of the medicament storage tank and citric acid or acetic acid into a preparation stirring tank, uniformly stirring in the preparation stirring tank, and canning through canning equipment to obtain the acidic oxidation potential aqueous solution.
Wherein, a surfactant is also added into the preparation stirring tank.
Example 3
The acidic oxidative potential aqueous solution of example 2 was tested.
2-3 ml of acidic oxidation potential water solution is sprayed per cubic meter, the killing rate of staphylococcus aureus in 15 minutes reaches 97.87%, and the killing rate in 30 minutes reaches 99.96%.
Example 4
The acidic oxidative potential aqueous solution of example 2 was tested.
2-3 ml of acidic oxidation potential water solution is sprayed per cubic meter, the killing rate of candida albicans reaches 94.45% in 30 minutes, and the killing rate of candida albicans reaches 99.92% in 45 minutes.
Example 5
The acidic oxidative potential aqueous solution of example 2 was tested.
After the acidic oxidation potential water solution is placed in a water bath box at 54 ℃ for 15 days, 2.78 g of the acidic oxidation potential water solution is sprayed, and the killing rate of staphylococcus aureus in 60 minutes can still reach 99.9%.
Example 6
The acidic oxidative potential aqueous solution of example 2 was tested.
The detection of virus disease prevention and control in the center of Chinese disease prevention and control shows that 100 times of acidic oxidation potential aqueous solution is diluted and acts for 2 hours at room temperature, and 100 percent of SARS coronavirus can be killed.
Example 7
The acidic oxidative potential aqueous solution of example 2 was tested.
Under the condition that the acidic oxidation potential aqueous solution is diluted by 50 times, eight ground glass sheets are adhered to the protective clothing worn by medical staff in Hubei Wuhan cooperative hospital western hospital (Xinguan pneumonia fixed-point hospital), the protective clothing is worn by a person with serious illness in an ICU ward and moves for 6 hours, after the protective clothing is taken off, the acidic oxidation potential aqueous solution is sprayed and killed at a distance of 0.5 meter, microscopic examination is carried out after 15-20 minutes of action, and compared with a ground glass sample which is not sprayed with a medicament, the killing rate of the Xinguan virus bacteria reaches 100%.
Claims (10)
1. An acidic oxidative potential aqueous solution comprising, i.e., an oxidative potential aqueous solution and citric acid or acetic acid.
2. The electrolyzed oxidizing aqueous solution of claim 1, wherein the citric acid is food grade citric acid; the acetic acid is food-grade acetic acid.
3. The electrolyzed oxidizing solution as defined in claim 1 or 2, wherein the electrolyzed oxidizing solution further comprises a surfactant.
4. The production device of the acidic oxidation potential aqueous solution is characterized by comprising an oxidation potential aqueous solution preparation device, a configuration stirring kettle and canning equipment;
wherein, the oxidation potential water solution preparation device comprises an ionic membrane electro-catalytic reactor, an air purification system, a water softening system, an electrolyte system and a power supply which are connected with the ionic membrane electro-catalytic reactor;
the ionic membrane electro-catalytic reactor generates oxidation potential aqueous solution through electrochemical reaction and comprises an anode electrode, an anode chamber, a cathode electrode, a cathode chamber and a cation exchange membrane for separating the anode chamber from the cathode chamber;
the oxidation potential water solution and citric acid or acetic acid are prepared into acidic oxidation potential water solution in a preparation stirring kettle, and a finished product is obtained after canning through canning equipment.
5. The apparatus for producing an electrolyzed oxidizing aqueous solution according to claim 4, wherein the air purification system comprises a blower, an air buffer tank and an air purification tower; wherein, the air outlet of the fan is connected with the air inlet of the air buffer tank, the air outlet of the air buffer tank is connected with the air inlet of the air purification tower, and the air outlet of the air purification tower is connected with the ionic membrane electro-catalytic reactor.
6. The apparatus for producing an electrolyzed oxidizing aqueous solution according to claim 4, wherein the softened water system comprises a softened water column and a softened water storage tank, the inlet of the softened water column is connected to a water source, the outlet of the softened water column is connected to the inlet of the softened water storage tank, and the outlet of the softened water storage tank is connected to the ion membrane electrocatalysis reactor.
7. The apparatus for producing an electrolyzed oxidizing aqueous solution according to claim 4, wherein the electrolyte system comprises a concentrated alkali tank and a dilution tank, an alkali solution outlet of the concentrated alkali tank is connected with an alkali solution inlet of the dilution tank, the dilution tank is further provided with a dilution water inlet, and an alkali solution outlet of the dilution tank is connected with the ion membrane electrocatalytic reactor.
8. The apparatus for producing an electrolyzed oxidizing aqueous solution according to claim 4, wherein the power source is a DC power source.
9. The production process of acidic oxidation potential water solution is characterized by comprising the following steps,
step (1), air enters an air buffer tank from a fan, passes through an air purification tower and then enters an electro-catalytic membrane reactor;
step (2), enabling tap water to enter a softened water storage tank through a softened water column and enter an electro-catalytic membrane reactor;
step (3), diluting the alkali liquor from the concentrated alkali tank in a dilution tank and then entering the electro-catalytic membrane reactor;
step (4), turning on a power supply, electrolyzing the ionic membrane electro-catalytic reactor to generate oxidation potential aqueous solution, cooling the oxidation potential aqueous solution by a cooler, and then entering a medicament storage tank;
and (5) introducing the oxidation potential aqueous solution of the medicament storage tank and citric acid or acetic acid into a preparation stirring tank, uniformly stirring in the preparation stirring tank, and canning through canning equipment to obtain the acidic oxidation potential aqueous solution.
10. Use of the electrolyzed oxidizing aqueous solution produced by the process according to any one of claims 1 to 4 or the process according to claim 9 for the disinfection and purification of air and surfaces of objects.
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