CN112205420A - Negative oxygen ion disinfectant, and preparation method and application thereof - Google Patents
Negative oxygen ion disinfectant, and preparation method and application thereof Download PDFInfo
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Abstract
The invention discloses a negative oxygen ion disinfectant, a preparation method and application thereof, and belongs to the technical field of air purifiers. The negative oxygen ion disinfectant is prepared from a negative ion mixed solution, a stable oxygenation mixed solution and a disinfectant and bactericidal solution according to a mass ratio of 1:1:1, wherein the negative ion mixed solution is prepared from calcined tourmaline powder, nano cerium oxide and deionized water; the stable oxygenation mixed liquor is prepared from anhydrous sodium carbonate, sodium polyacrylate, hydrogen peroxide and deionized water; the disinfection and sterilization liquid is prepared from ilex latifolia thunb extract, pulsatilla chinensis extract, dandelion extract, chlorophytum comosum extract, lotus leaf extract and deionized water. The invention also discloses a preparation method of the negative oxygen ion disinfectant. The negative oxygen ion disinfectant can release a large amount of negative oxygen ions, and can effectively kill bacteria, fungi, bacillus, escherichia coli, staphylococcus aureus, hepatitis B virus and other germs.
Description
Technical Field
The invention relates to a negative oxygen ion disinfectant, a preparation method and application thereof, and belongs to the technical field of air purifiers.
Background
The products currently used for indoor and outdoor disinfection are peracetic acid, chlorine dioxide, ozone, dibromohydantoin and ethanol, which are respectively introduced as follows:
1. peroxyacetic acid: can kill bacteria propagules, fungi and viruses, and can be used for disinfecting the surface of an object by spraying or soaking. Is unstable and easy to decompose, and needs to be used together. Has acid odor, strong irritation and corrosiveness to metal and fabrics, needs to be protected when the prepared solution is used, is not suitable for spraying on human bodies and occasions where people exist, and has poor air purification effect.
2. Chlorine dioxide: belongs to a safer novel disinfectant in chlorine-containing disinfectants, can kill various microorganisms (such as bacteria, spores, fungi and viruses), is suitable for disinfection of medical equipment rings, kitchen ware, drinking water, environmental surfaces and the like, and can be sprayed, soaked or wiped. But the property is extremely unstable, the disinfection effect is obviously influenced by the pH value, the disinfectant also needs to be prepared for use at present, has the corrosion or bleaching effect on metal and fabrics, and is cleaned in time after the disinfection is finished. All chlorine-containing agents pollute the environment if the residual chlorine is excessive, the dosage must be controlled, and the air cannot be purified.
3. Ozone: belongs to a strong oxidant, can oxidize various microbial proteins (destroying botulinum toxin) and has quick sterilization and no residue. Is suitable for sterilizing drinking water, fruits and vegetables, tableware and the like, and has slow killing effect on microbial contamination on the surfaces of articles. The stability is extremely poor, the material can be automatically decomposed at normal temperature, and the material can only be produced and used immediately on site, and can cause oxidation damage to various articles. Is not suitable for large-area air disinfection, is often used for water disinfection, and has poor air purification effect.
4. Dibromohydantoin: the high-efficiency disinfectant capable of releasing bromine continuously releases Br-ions by dissolving in water to form hypobromous acid, has strong oxidizing property, and can oxidize, decompose and inactivate biological enzymes of microorganisms. The property is unstable, and the preparation is prepared just before use. Has corrosion effect on metal (some preservatives are added), can be widely used for water disinfection, can also be used for disinfection (peculiar smell) of fruits, vegetables, tableware and the like, is washed by clean water after being used, is not used for air disinfection and is not suitable for air purification.
5. Ethanol: the 75% alcohol solution can penetrate into the thallus body to solidify, denature and kill protein, and is one kind of middle effect antiseptic with no confirmed killing effect on spore and virus, and is used mainly in disinfection of skin and surgical instrument. Is easy to volatilize, has short lasting effect, is not suitable for air disinfection application and is not suitable for air purification.
In view of the disadvantages of the existing disinfection products, a new disinfectant and a preparation method thereof are urgently needed to solve the defects of the prior art.
Disclosure of Invention
The invention aims to provide a negative oxygen ion disinfectant. The negative oxygen ion disinfectant consists of negative ion mixed liquid, stable oxygenation mixed liquid and disinfectant liquid, integrates three effects of negative ions, stable oxygenation mixed liquid and disinfection liquid, can release a large amount of negative oxygen ions, and can effectively kill bacteria, fungi, bacillus, escherichia coli, staphylococcus aureus, hepatitis B virus and other germs.
The scheme for solving the technical problems is as follows: the negative oxygen ion disinfectant is prepared from a negative ion mixed solution, a stable oxygenation mixed solution and a disinfectant and sterilization solution according to a mass ratio of 1:1:1, wherein the negative ion mixed solution is prepared from the following raw materials in percentage by mass: 15 to 23 percent of calcined tourmaline powder, 0.02 to 0.12 percent of nano cerium oxide and 76.88 to 84.98 percent of deionized water; the stable oxygenation mixed liquor is prepared from the following raw materials in percentage by mass: 10-20% of anhydrous sodium carbonate, 3-8% of sodium polyacrylate, 8-15% of hydrogen peroxide and 57-79% of deionized water; the disinfection and sterilization liquid is prepared from the following raw materials in percentage by mass: 1-4% of broadleaf holly leaf extract, 1-5% of Chinese pulsatilla root extract, 1-4% of dandelion extract, 1-3% of chlorophytum comosum extract, 1-3% of lotus leaf extract and 81-95% of deionized water.
The principle introduction of the negative oxygen ion disinfectant and bactericide of the invention is as follows:
1. tourmaline is a boron-containing silicate mineral with complex structure and components, and belongs to a trigonal system. Tourmaline, which has a special crystal structure, can automatically and permanently release negative ions, and is called a natural negative oxygen ion generator. Tourmaline powder is obtained by mechanically pulverizing raw tourmaline ore after removing impurities. After the tourmaline powder is calcined, the method has the following advantages: (1) the wavelength of the far infrared rays emitted by the human body can be fixed at 8-12 mu m, and the human body safety range is met. (2) Other impurities (such as iron and lithium) in the tourmaline powder can be eliminated, and purer tourmaline powder is obtained, so that after the subsequent addition of cerium oxide, the concentration released by negative ions is 6-10 times higher than that before the addition of cerium oxide, and the harmful gas in the air is removed in an enhanced manner. Achieving the purpose of disinfection and sterilization.
The tourmaline powder can be purchased commercially, for example, from Nami mineral products of Hebei.
2. The nano cerium oxide is cerium oxide with the particle size of 1nm-100nm, and has excellent performances of catalysis, high temperature resistance, ultraviolet absorption and the like.
The nano cerium oxide can be purchased from Tianjin Gaokou New Material science and technology Co.
The calcined tourmaline powder, the nano zinc oxide and the nano cerium oxide are combined together, so that the quantity of negative ions released by the carbide gas can be increased by 6-10 times or even higher.
3. The molecular chain of the sodium polyacrylate contains a large amount of hydrophilic groups, and the sodium polyacrylate can form stable chemical bonds in the reaction of a solution, is favorable for enhancing the mechanical stability and the storage stability of a product, and is an ideal stabilizer.
4. Anhydrous sodium carbonate, also called soda ash or soda, is an inorganic chemical raw material. In the invention, the reaction of anhydrous sodium carbonate and water can generate a large amount of ion oxygen (negative oxygen ions) to enhance the disinfection and sterilization capacity, which is 3-6 times that of other disinfectants.
5. The broadleaf holly leaf extract is non-toxic, contains amino acids, polyphenols and various trace elements beneficial to human body. Has inhibitory effect on Staphylococcus aureus and Escherichia coli.
The above extract of Folum Ilicis can be purchased commercially, such as from Saint Biotechnology, Inc. of Shaanshan countries.
The extract of Pulsatillae radix has heat and toxic materials clearing away, antibacterial, antiviral and pesticidal effects, and has effects of inhibiting Pseudomonas aeruginosa and Bacillus anthracis.
The extract of Pulsatillae radix can be purchased commercially, such as Shanxi Hao Chen Biotech limited.
The herba Taraxaci extract has strong broad-spectrum antibacterial effect, and has antibacterial effect on pneumococcus, meningococcus and typhoid bacillus, and also can inhibit dermatophytes.
The dandelion extract can be purchased commercially, for example, from Shanxi Hao Chen Biotech Co., Ltd.
The chlorophytum comosum extract can decompose harmful substances such as formaldehyde, hydrogen fluoride, toluene, xylene and the like, and simultaneously can release oxygen to increase the concentration of negative oxygen ions so as to achieve the purpose of purifying air.
The above chlorophytum comosum extract can be purchased commercially, for example, from Angelica dahurica Biotechnology Co.
The folium Nelumbinis extract can adsorb and decompose odor in air and give off fragrance specific to folium Nelumbinis.
The above lotus leaf extract can be purchased commercially, for example, from Saint Biotech, Inc. of Ningshan.
The 5 pure natural plant extracts are combined together, so that the concentration of negative oxygen ions in the air can be improved, the aim of purifying the air is fulfilled, the disinfection and sterilization capacity can be greatly enhanced, the disinfection and sterilization capacity is 3-6 times that of other disinfection products, and the plant extract disinfectant is safe, non-toxic and free of other peculiar smells and residues.
The negative oxygen ion disinfectant and bactericide has the beneficial effects that:
1. the negative oxygen ion disinfectant can release a large amount of negative oxygen ions, can quickly and effectively remove formaldehyde, benzene, dimethylbenzene, ammonia, nitrogen dioxide and other harmful gases in the air, and can remove peculiar smell in a few minutes, thereby achieving the purposes of sterilizing, disinfecting and purifying the air.
2. The negative oxygen ion disinfectant can perform strong oxidation on bacteria, fungi, bacillus, escherichia coli, staphylococcus aureus, hepatitis B virus and the like, can be quickly inactivated in ten minutes, and has the inactivation rate of more than 99%.
3. The negative oxygen ion disinfectant is safe and non-toxic, has no harmful substance residue after being sprayed and used, is non-toxic when being eaten by people by mistake, and is harmless to human bodies.
4. The negative oxygen ion disinfectant can be used for preventive disinfection and can also be used for directly eliminating pathogens to block transmission, is suitable for various products and environments, such as mother and infant articles, tableware, toilets, large squares, schools, hospitals, automobiles, ships, airplanes and the like, and has wide application fields.
5. The negative oxygen ion disinfectant is suitable for the special effect of the negative oxygen ion disinfectant under the condition that the temperature is 0-40 ℃ and the oxidation effect is not influenced by the change of the pH value; the quantity of negative oxygen ions is more than 30000 pieces/cm3，PM2.5≤25μg；PM10≤32μg。
6. The negative oxygen ion disinfectant and bactericide of the invention has colorless, tasteless and transparent solution, safety and innocuity, has no adverse reaction when being smeared on skin and nasal mucosa, has no abnormality when being atomized and scattered on clothes, and has no bad smell.
The use method of the negative oxygen ion disinfectant and bactericide of the invention is as follows:
can be applied, sprayed or smeared on the surface of various carriers (such as cloth, woodware, metal, plastic and the like), and can also be steamed or soaked.
On the basis of the technical scheme, the invention can be further improved as follows.
Further, the oxygen-increasing and sterilizing water is prepared from negative ion mixed liquor, stable oxygen-increasing mixed liquor and a sterilizing and disinfecting liquid according to the mass ratio of 1:1:1, wherein the negative ion mixed liquor is prepared from the following raw materials in percentage by mass: 18 percent of calcined tourmaline powder, 0.05 percent of nano cerium oxide and 81.95 percent of deionized water; the stable oxygenation mixed liquor is prepared from the following raw materials in percentage by mass: 15% of anhydrous sodium carbonate, 4% of sodium polyacrylate, 10% of hydrogen peroxide and 71% of deionized water; the disinfection and sterilization liquid is prepared from the following raw materials in percentage by mass: 2.5 percent of broadleaf holly leaf extract, 2 percent of Chinese pulsatilla root extract, 2.6 percent of dandelion extract, 1.8 percent of chlorophytum comosum extract, 1.5 percent of lotus leaf extract and 89.6 percent of deionized water.
The adoption of the further beneficial effects is as follows: the above is the optimal parameter of the scheme, and the obtained negative oxygen ion disinfectant has the optimal effect. The concentration of the released negative oxygen ions reaches 65904 pieces/cm3The sterilizing and disinfecting capability can reach a killing rate of more than 99% in ten minutes. Thereby effectively improving the health of human body, specifically: (1) the cell metabolism is vigorous, the natural curative effect is improved, the cell aging is prevented, and the young body and mind are created. (2) Making the material acidicThe object becomes weakly alkaline, promotes the generation of collagen of cell tissues, and decomposes combustion sugar, thus having a surprising therapeutic effect on diabetes. (3) Has the function of water purification treatment, can kill bacteria in water quickly, increase dissolved oxygen in water, accelerate the movement of water molecules and change common water into active water. (4) Eliminate indoor peculiar smell and various harmful gases, and has remarkable effects of bacteriostasis, sterilization and disinfection.
The invention also aims to provide a preparation method of the negative oxygen ion disinfectant. The preparation method disclosed by the invention is simple, wide in raw material source, low in cost, wide in market prospect and suitable for large-scale popularization and application.
The scheme for solving the technical problems is as follows: a preparation method of a negative oxygen ion disinfectant and bactericide comprises the following steps:
step 1: preparing negative ion mixed liquid
Calcining tourmaline powder to obtain calcined tourmaline powder;
respectively weighing the following raw materials in percentage by mass: 15 to 23 percent of calcined tourmaline powder, 0.02 to 0.12 percent of nano cerium oxide and 76.88 to 84.98 percent of deionized water;
step 2: preparing stable oxygenation mixed liquor
Respectively weighing the following raw materials in percentage by mass: 10-20% of anhydrous sodium carbonate, 3-8% of sodium polyacrylate, 8-15% of hydrogen peroxide and 57-79% of deionized water; adding the weighed anhydrous sodium carbonate into the weighed deionized water, slowly adding the weighed sodium polyacrylate under stirring, slowly adding the weighed hydrogen peroxide after the anhydrous sodium carbonate is completely dissolved, wherein the whole process does not exceed 50min, and obtaining a stable oxygenation mixed solution;
and step 3: preparing a disinfecting and sterilizing liquid
Respectively weighing the following raw materials in percentage by weight: 1-4% of broadleaf holly leaf extract, 1-5% of Chinese pulsatilla root extract, 1-4% of dandelion extract, 1-3% of chlorophytum comosum extract, 1-3% of lotus leaf extract and 81-95% of deionized water, and mixing and stirring uniformly to obtain a disinfection and sterilization solution;
and 4, step 4: preparation of negative oxygen ion disinfectant
And (3) uniformly mixing the negative ion mixed liquid obtained in the step (1), the stable oxygenation mixed liquid obtained in the step (2) and the disinfection and sterilization liquid obtained in the step (3), adjusting the pH value to 7-8.5, heating, removing color, filtering, and taking filtrate, namely the negative oxygen ion disinfection and sterilization agent.
The principle of the preparation method of the negative oxygen ion disinfectant and bactericide of the invention is as follows:
in step 2 of the present invention, the chemical reaction formula involved is as follows:
Na2CO3+H2O→NaHCO3+NaOH
Na2CO4+H2O→Na2CO3+H2O2
2H2O2→2H2O+O2↑
the reaction can generate a large amount of negative oxygen ions, and the negative oxygen ions have multiple effects of disinfecting, sterilizing, removing peculiar smell and purifying air.
The stable oxygenation mixed liquor prepared in the step 2 has the function of stabilizing oxygenation ions prepared by anhydrous sodium carbonate in the mixed liquor, and then mixing the oxygenation ions with the negative ion mixed liquor prepared in the step 1 and the disinfection and sterilization liquor prepared in the step 2, so that the whole mixed liquor polymerization system is more stable, the whole polymerization reaction is promoted to be smoothly completed, and the stability of storage is facilitated. When the negative oxygen ion disinfectant and bactericide prepared by the invention is sprayed in the air or smeared on other carriers (such as cloth, woodware, metal, plastic and the like), a large amount of negative ions are released and are obtained by oxygen in the air to form negative oxygen ions, and the high-concentration negative oxygen ions have obvious disinfection and sterilization effects.
The preparation method of the negative oxygen ion disinfectant and bactericide has the beneficial effects that:
the preparation method disclosed by the invention is simple, wide in raw material source, low in cost, wide in market prospect and suitable for large-scale popularization and application.
On the basis of the technical scheme, the invention can be further improved as follows.
Further, in the step 1, the particle size of the tourmaline powder is 5000-8000 meshes.
The adoption of the further beneficial effects is as follows: after the tourmaline powder with the particle size is calcined, the effect of preparing the negative ion mixed solution is better, and the concentration of the released negative ions is higher. The study of the inventor shows that the anion amount released by the 1250-mesh tourmaline powder after calcination is 800/cm3(ii) a 2000 mesh tourmaline powder, and the amount of negative ions released after calcination is 1600/cm3(ii) a 3000 mesh tourmaline powder, and the amount of negative ions released after calcination is 2100/cm3(ii) a 5000-mesh tourmaline powder, wherein the amount of negative ions released after calcination is 4200/cm3。
Further, in the step 1, the calcining temperature is 400-600 ℃, and the time is 2-5 h.
The adoption of the further beneficial effects is as follows: by adopting the parameters, the calcining effect is better. The tourmaline powder with the particle size has higher purity, larger specific surface area and more released negative oxygen ions, and after the tourmaline powder with the particle size is calcined, the effect of preparing the negative ion mixed solution is better, and the concentration of the released negative ions is higher.
Further, in the step 1, the rotating speed of the stirring is 3000-6000 revolutions/min, and the time is 30-40 min.
The adoption of the further beneficial effects is as follows: by adopting the parameters, the effects of stirring and mixing uniformly, shearing, dispersing and increasing the specific surface area are better, and the quantity of released anions is more.
Further, in the step 2, the rotating speed of the stirring is 200-500 r/min.
The adoption of the further beneficial effects is as follows: by adopting the parameters, the method is more beneficial to the dissolution of anhydrous sodium carbonate and the generation of oxygen ions and the stabilization of the oxygen ions in the solution.
Further, in step 4, edible acetic acid is adopted for adjusting the pH value.
The adoption of the further beneficial effects is as follows: the edible acetic acid can be used for adjusting the pH value to 7-8.5, and the edible acetic acid can be eaten and is harmless to human bodies.
Further, in the step 4, the heating temperature is 76-89 ℃, and the time is 30-40 min.
The adoption of the further beneficial effects is as follows: by adopting the heating temperature, the mixed solution can be activated, so that more and more effective anions can be released.
Further, in step 4, activated carbon is used for color removal.
The adoption of the further beneficial effects is as follows: the activated carbon is adopted for color removal treatment, so that the method is simpler, more convenient and more efficient.
Further, in step 4, the filtration is to use zeolite molecular sieve with pore size of 0.425nm-0.45 nm.
The adoption of the further beneficial effects is as follows: the zeolite molecular sieve adopting the parameters has better filtering effect and no residue.
The invention also aims to provide the application of the negative oxygen ion disinfectant. The negative oxygen ion disinfectant can be used in the field of air purification, is used for removing formaldehyde, benzene, dimethylbenzene, ammonia, nitrogen dioxide and other harmful gases in the air, and can also remove peculiar smell within a few minutes.
The scheme for solving the technical problems is as follows: the negative oxygen ion disinfectant and bactericide is applied to the field of air purification.
The negative oxygen ion air purifying agent has the beneficial effects that:
the negative oxygen ion disinfectant can be used in the field of air purification, is used for removing formaldehyde, benzene, dimethylbenzene, ammonia, nitrogen dioxide and other harmful gases in the air, and can also remove peculiar smell within a few minutes.
Detailed Description
The principles and features of this invention are described below in conjunction with specific embodiments, which are set forth merely to illustrate the invention and are not intended to limit the scope of the invention.
Example 1
The negative oxygen ion disinfectant and bactericide of the embodiment is prepared from a negative ion mixed solution, a stable oxygenation mixed solution and a disinfectant and bactericide solution according to a mass ratio of 1:1:1, wherein the negative ion mixed solution is prepared from the following raw materials in mass: 15kg of calcined tourmaline powder, 0.02kg of nano cerium oxide and 84.98kg of deionized water; the stable oxygenation mixed liquid is prepared from the following raw materials in parts by mass: 10kg of anhydrous sodium carbonate, 3kg of sodium polyacrylate, 8kg of hydrogen peroxide and 79kg of deionized water; the disinfection and sterilization liquid is prepared from the following raw materials in parts by mass: 1kg of broadleaf holly leaf extract, 1kg of Chinese pulsatilla root extract, 1kg of dandelion extract, 1kg of chlorophytum comosum extract, 1kg of lotus leaf extract and 95kg of deionized water.
The preparation method of the negative oxygen ion disinfectant and bactericide comprises the following steps:
step 1: preparing negative ion mixed liquid
Calcining tourmaline powder with the particle size of 5000 meshes at 400 ℃ for 5 hours to obtain calcined tourmaline powder;
respectively weighing the following raw materials by mass: 15kg of calcined tourmaline powder, 0.02kg of nano cerium oxide and 84.98kg of deionized water, wherein the rotation speed is 3000 r/min, the time is 40min, and the components are uniformly mixed and stirred to obtain a negative ion mixed solution
Step 2: preparing stable oxygenation mixed liquor
Respectively weighing the following raw materials by mass: 10kg of anhydrous sodium carbonate, 3kg of sodium polyacrylate, 8kg of hydrogen peroxide and 79kg of deionized water; adding the weighed anhydrous sodium carbonate into the weighed deionized water, stirring at the rotating speed of 200 r/min, slowly adding the weighed sodium polyacrylate, and slowly adding the weighed hydrogen peroxide after the anhydrous sodium carbonate is completely dissolved, wherein the whole process is not more than 50min, so as to obtain the stable oxygenation mixed liquid.
And step 3: preparing a disinfecting and sterilizing liquid
Respectively weighing the following raw materials in percentage by weight: 1kg of broadleaf holly leaf extract, 1kg of Chinese pulsatilla root extract, 1kg of dandelion extract, 1kg of chlorophytum comosum extract, 1kg of lotus leaf extract and 95kg of deionized water are mixed and stirred uniformly to obtain the disinfection solution.
And 4, step 4: preparation of negative oxygen ion disinfectant
And (3) uniformly mixing the negative ion mixed solution obtained in the step (1), the stable oxygenation mixed solution obtained in the step (2) and the disinfection and sterilization solution obtained in the step (3), adjusting the pH value to 7 by adopting edible acetic acid, heating at 76 ℃ for 40min, removing color by adopting activated carbon, filtering by adopting a zeolite molecular sieve with the pore diameter of 0.425nm, and taking filtrate to obtain the negative oxygen ion disinfection and sterilization agent.
The negative oxygen ion disinfectant and bactericide is applied to the field of air purification.
Example 2
The negative oxygen ion disinfectant and bactericide of the embodiment is prepared from a negative ion mixed solution, a stable oxygenation mixed solution and a disinfectant and bactericide solution according to a mass ratio of 1:1:1, wherein the negative ion mixed solution is prepared from the following raw materials in mass: 18kg of calcined tourmaline powder, 0.05kg of nano cerium oxide and 81.95kg of deionized water; the stable oxygenation mixed liquid is prepared from the following raw materials in parts by mass: 15kg of anhydrous sodium carbonate, 4kg of sodium polyacrylate, 10kg of hydrogen peroxide and 71kg of deionized water; the disinfection and sterilization liquid is prepared from the following raw materials in parts by mass: 2.5kg of broadleaf holly leaf extract, 2kg of Chinese pulsatilla root extract, 2.6kg of dandelion extract, 1.8kg of chlorophytum comosum extract, 1.5kg of lotus leaf extract and 89.6kg of deionized water.
The preparation method of the negative oxygen ion disinfectant and bactericide comprises the following steps:
step 1: preparing negative ion mixed liquid
Calcining tourmaline powder with a particle size of 6000 meshes at 500 ℃ for 3.5 hours to obtain calcined tourmaline powder;
respectively weighing the following raw materials by mass: 15kg of calcined tourmaline powder, 0.02kg of nano cerium oxide and 84.98kg of deionized water, wherein the rotating speed is 4500 r/min, the time is 35min, and the components are uniformly mixed and stirred to obtain a negative ion mixed solution.
Step 2: preparing stable oxygenation mixed liquor
Respectively weighing the following raw materials by mass: 10kg of anhydrous sodium carbonate, 3kg of sodium polyacrylate, 8kg of hydrogen peroxide and 79kg of deionized water; adding the weighed anhydrous sodium carbonate into the weighed deionized water, stirring at the rotating speed of 350 r/min, slowly adding the weighed sodium polyacrylate, and slowly adding the weighed hydrogen peroxide after the anhydrous sodium carbonate is completely dissolved, wherein the whole process is not more than 50min, so as to obtain the stable oxygenation mixed liquid.
And step 3: preparing a disinfecting and sterilizing liquid
Respectively weighing the following raw materials in percentage by weight: 1kg of broadleaf holly leaf extract, 1kg of Chinese pulsatilla root extract, 1kg of dandelion extract, 1kg of chlorophytum comosum extract, 1kg of lotus leaf extract and 95kg of deionized water are mixed and stirred uniformly to obtain the disinfection solution.
And 4, step 4: preparation of negative oxygen ion disinfectant
And (3) uniformly mixing the negative ion mixed solution obtained in the step (1), the stable oxygenation mixed solution obtained in the step (2) and the disinfection and sterilization solution obtained in the step (3), adjusting the pH value to 8 by adopting edible acetic acid, heating at 83 ℃ for 35min, removing color by adopting activated carbon, filtering by adopting a zeolite molecular sieve with the pore diameter of 0.425nm, and taking filtrate to obtain the negative oxygen ion disinfection and sterilization agent.
The negative oxygen ion disinfectant and bactericide is applied to the field of air purification.
Example 3
The negative oxygen ion disinfectant and bactericide of the embodiment is prepared from a negative ion mixed solution, a stable oxygenation mixed solution and a disinfectant and bactericide solution according to a mass ratio of 1:1:1, wherein the negative ion mixed solution is prepared from the following raw materials in mass: 23kg of calcined tourmaline powder, 0.12kg of nano cerium oxide and 76.88kg of deionized water; the stable oxygenation mixed liquid is prepared from the following raw materials in parts by mass: 20kg of anhydrous sodium carbonate, 8kg of sodium polyacrylate, 15kg of hydrogen peroxide and 57kg of deionized water; the disinfection and sterilization liquid is prepared from the following raw materials in parts by mass: 4kg of broadleaf holly leaf extract, 5kg of Chinese pulsatilla root extract, 4kg of dandelion extract, 3kg of chlorophytum comosum extract, 3kg of lotus leaf extract and 81kg of deionized water.
The preparation method of the negative oxygen ion disinfectant and bactericide comprises the following steps:
step 1: preparing negative ion mixed liquid
Calcining tourmaline powder with the particle size of 8000 meshes at 600 ℃ for 2h to obtain calcined tourmaline powder;
respectively weighing the following raw materials by mass: 23kg of calcined tourmaline powder, 0.12kg of nano cerium oxide and 76.88kg of deionized water, wherein the rotation speed is 6000 r/min, the time is 30min, and the components are uniformly mixed and stirred to obtain a negative ion mixed solution.
Step 2: preparing stable oxygenation mixed liquor
Respectively weighing the following raw materials by mass: 20kg of anhydrous sodium carbonate, 8kg of sodium polyacrylate, 15kg of hydrogen peroxide and 57kg of deionized water; adding the weighed anhydrous sodium carbonate into the weighed deionized water, stirring at the rotating speed of 500 r/min, slowly adding the weighed sodium polyacrylate, and slowly adding the weighed hydrogen peroxide after the anhydrous sodium carbonate is completely dissolved, wherein the whole process is not more than 50min, so as to obtain the stable oxygenation mixed liquid.
And step 3: preparing a disinfecting and sterilizing liquid
Respectively weighing the following raw materials in percentage by weight: the disinfection solution is prepared by uniformly mixing and stirring 4kg of broadleaf holly leaf extract, 5kg of Chinese pulsatilla root extract, 4kg of dandelion extract, 3kg of chlorophytum comosum extract, 3kg of lotus leaf extract and 81kg of deionized water.
And 4, step 4: preparation of negative oxygen ion disinfectant
And (3) uniformly mixing the negative ion mixed solution obtained in the step (1), the stable oxygenation mixed solution obtained in the step (2) and the disinfection and sterilization solution obtained in the step (3), adjusting the pH value to 8.5 by adopting edible acetic acid, heating at 89 ℃ for 30min, removing color by adopting activated carbon, filtering by adopting a zeolite molecular sieve with the pore diameter of 0.45nm, and taking filtrate to obtain the negative oxygen ion disinfection and sterilization agent.
The negative oxygen ion disinfectant and bactericide is applied to the field of air purification.
Experimental example 1
In a 10 square meter room (window closed), formaldehyde, benzene, xylene, ammonia and nitrogen dioxide were placed in each room with harmful gas, and the concentration of formaldehyde, benzene, xylene, ammonia, nitrogen dioxide, PM2.5, PM10 and the number of negative oxygen ions before use were recorded. The detection method refers to indoor air quality standard GB/T18883-2002. The ambient temperature was 25 ℃ and the relative humidity was 55%. The test of formaldehyde and xylene is carried out by using NGP40 multifunctional gas detector. The test of negative oxygen ion release amount, PM2.5, PM10 is carried out by using an air negative oxygen ion tester of tripod union.
1. The concentrations of formaldehyde, PM2.5, and PM10 were recorded around a room where 100ml of each of the oxygen anion sterilants prepared in examples 1 to 3 was sprayed with formaldehyde, PM2.5, and PM 10. The removal of formaldehyde, PM2.5 and PM10 was tested after 10 min. The results are shown in Table 1.
2. Testing the release amount of negative oxygen ions: 100ml of each of the negative oxygen ion disinfectants prepared in the examples 1 to 3 is sprayed around a room, the negative oxygen ion disinfectants are tested by a tripod air negative oxygen ion tester after 30min, the average concentration of the negative oxygen ions at different distances is continuously tested and recorded, and the release amount of the negative oxygen ions is calculated after complete balance. The results are shown in Table 1.
3. The antibacterial performance is tested according to the disinfection technical specification (2002 edition). Taking escherichia coli and staphylococcus aureus as test strains. The antibacterial performance of the negative oxygen ion disinfectant and bactericide prepared by the invention is measured by an Oxford cup method. Preparation according to standard method to give a concentration of 106cfu/mL bacterial suspension, respectively pouring the solid culture medium into a culture plate with the diameter of 15cm, adding 0.5mL bacterial suspension after solidification, uniformly coating the bacterial suspension by using a sterile coating rod, culturing the bacteria at 37 ℃ for 24h, culturing the fungi at 30 ℃ for 48h, then placing a sterilized Oxford cup on the surface of the bacteria-containing solid culture medium, dripping 200 mu L of the negative oxygen ion disinfectant prepared in the examples 1 and 3 into the cup, measuring sterilization data after 10min-20min, and calculating the killing rate, wherein the results are shown in Table 1.
TABLE 1 test results
Note: according to the regulation in GB3095-2012 environmental air quality standard, the primary standard is that PM2.5 is less than or equal to 35 mu g/m3The first-level standard is that PM10 is less than or equal to 50 mu g/m3。
Comparative example 1
The disinfectant and bactericide of the comparative example is different from the disinfectant and bactericide of example 1 in that negative ion mixed liquid does not exist, and specifically, the disinfectant and bactericide is prepared from stable oxygenation mixed liquid and disinfectant and bactericide liquid according to the mass ratio of 1:1, wherein the stable oxygenation mixed liquid is prepared from the following raw materials in mass: 10kg of anhydrous sodium carbonate, 3kg of sodium polyacrylate, 8kg of hydrogen peroxide and 79kg of deionized water; the disinfection and sterilization liquid is prepared from the following raw materials in parts by mass: 1kg of broadleaf holly leaf extract, 1kg of Chinese pulsatilla root extract, 1kg of dandelion extract, 1kg of chlorophytum comosum extract, 1kg of lotus leaf extract and 95kg of deionized water, wherein after the stable nutrition increasing mixed solution and the disinfection and sterilization solution are uniformly mixed, edible acetic acid is adopted to adjust the pH value to 7, the mixture is heated at 76 ℃ for 40min, activated carbon is used for removing color, zeolite molecular sieves with the pore diameter of 0.425nm are adopted for filtering, and the filtrate is taken, so that the disinfection and sterilization agent is obtained.
Comparative example 2
The disinfectant and bactericide of the comparative example is different from the disinfectant and bactericide of example 2 in that stable oxygenation mixed liquor does not exist, and specifically, the disinfectant and bactericide is prepared from negative ion mixed liquor and disinfectant and bactericide liquor according to a mass ratio of 1:1, wherein the negative ion mixed liquor is prepared from the following raw materials in mass: 18kg of calcined tourmaline powder, 0.05kg of nano cerium oxide and 81.95kg of deionized water; the disinfection and sterilization liquid is prepared from the following raw materials in parts by mass: 2.5kg of broadleaf holly leaf extract, 2kg of Chinese pulsatilla root extract, 2.6kg of dandelion extract, 1.8kg of chlorophytum comosum extract, 1.5kg of lotus leaf extract and 89.6kg of deionized water, wherein after the negative ion mixed liquid and the disinfection and sterilization liquid are uniformly mixed, the pH value is adjusted to 8 by adopting edible acetic acid, the mixture is heated at 83 ℃ for 35min, the activated carbon is used for removing color, a zeolite molecular sieve with the pore diameter of 0.425nm is used for filtering, and the filtrate is taken, namely the disinfection and sterilization agent.
Comparative example 3
The disinfectant and bactericide of the comparative example is different from the example 3 in that no disinfectant and bactericide liquid is used, specifically, the disinfectant and bactericide liquid is prepared from a negative ion mixed liquid and a stable oxygenation mixed liquid according to a mass ratio of 1:1, wherein the negative ion mixed liquid is prepared from the following raw materials in mass: 23kg of calcined tourmaline powder, 0.12kg of nano cerium oxide and 76.88kg of deionized water; the stable oxygenation mixed liquid is prepared from the following raw materials in parts by mass: 20kg of anhydrous sodium carbonate, 8kg of sodium polyacrylate, 15kg of hydrogen peroxide and 57kg of deionized water; mixing the anion mixed solution and the stable oxygenation mixed solution uniformly, adjusting the pH value to 8.5 by adopting edible acetic acid, heating at 89 ℃ for 30min, removing color by adopting activated carbon, filtering by adopting a zeolite molecular sieve with the aperture of 0.45nm, and taking filtrate, namely the disinfectant.
Experimental example 2
In a 10 square meter room (window closed), formaldehyde, benzene, xylene, ammonia and nitrogen dioxide were placed in each room with harmful gas, and the concentration of formaldehyde, benzene, xylene, ammonia, nitrogen dioxide, PM2.5, PM10 and the number of negative oxygen ions before use were recorded. The detection method refers to indoor air quality standard GB/T18883-2002. The ambient temperature was 25 ℃ and the relative humidity was 55%. The test of formaldehyde and xylene is carried out by using NGP40 multifunctional gas detector. The test of negative oxygen ion release amount, PM2.5, PM10 is carried out by using an air negative oxygen ion tester of tripod union.
1. The concentrations of formaldehyde, PM2.5, and PM10 were recorded around a room where 100ml of each of the sanitizers prepared in comparative examples 1 to 3 was sprayed with formaldehyde, PM2.5, and PM10, respectively. The removal of formaldehyde, PM2.5 and PM10 was tested after 10 min. The results are shown in Table 2.
2. Testing the release amount of negative oxygen ions: spraying 100ml of each of the negative oxygen ion disinfectant and bactericide prepared in comparative examples 1-3 to the periphery of a room, testing by using a tripod air negative oxygen ion tester after 30min, continuously testing and recording the average concentration of negative oxygen ions at different distances, and calculating the release amount of the negative oxygen ions after complete balance. The results are shown in Table 2.
3. The antibacterial performance is tested according to the disinfection technical specification (2002 edition). Taking escherichia coli and staphylococcus aureus as test strains. The antibacterial performance of the negative oxygen ion disinfectant and bactericide prepared by the invention is measured by an Oxford cup method. Preparation according to standard method to give a concentration of 106Respectively pouring the solid culture medium into a culture plate with the diameter of 15cm for cfu/mL bacterial suspension, adding 0.5mL bacterial suspension after solidification, uniformly coating the bacterial suspension by using an aseptic coating rod, culturing the bacteria at 37 ℃ for 24h, culturing the fungi at 30 ℃ for 48h, placing the sterilized Oxford cup on the surface of the bacteria-containing solid culture medium, and dripping the negative oxygen ions prepared in the comparative examples 1-3 into the cupThe sterilizing data of the seed disinfectants are measured after 10min-20min and the killing rate is calculated after 200 mul of each seed disinfectants, and the results are shown in table 2.
TABLE 2 test results
Note: according to the regulation in GB3095-2012 environmental air quality standard, the primary standard is that PM2.5 is less than or equal to 35 mu g/m3The first-level standard is that PM10 is less than or equal to 50 mu g/m3。
As is clear from tables 1 and 2, in the negative oxygen ion disinfectant/sterilizer of example 1, the amount of negative oxygen ions increased to 50800 negative oxygen ions/cm by the addition of the negative ion mixture3. In contrast, in comparative example 1, since no negative ion mixture was added, the increase in the number of negative oxygen ions was only 4820/cm3。
As shown in tables 1 and 2, the negative oxygen ion disinfectant and bactericide of example 2 has a formaldehyde removal rate of 98% or more in 0.5 hours due to the addition of the stable oxygen-increasing mixed solution. In comparative example 2, since the catalyst mixture was not added, the formaldehyde removal rate was only 95% within 0.5 hours.
As is clear from tables 1 and 2, in the negative oxygen ion disinfectant of example 3, the removal rate of harmful gases such as formaldehyde and xylene in 0.5 hour was 98% or more due to the addition of the disinfectant. In contrast, in comparative example 3, since the disinfecting and sterilizing solution was not added, the removal rate of harmful gases such as formaldehyde and xylene was only 96% in 0.5 hour.
In conclusion, the negative oxygen ion disinfectant and bactericide can release a large amount of negative oxygen ions, can quickly and effectively remove formaldehyde, benzene, dimethylbenzene, ammonia, nitrogen dioxide and other harmful gases in the air, and can remove peculiar smell within a few minutes, thereby achieving the purposes of sterilizing, disinfecting and purifying the air.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.
Claims (10)
1. The negative oxygen ion disinfectant is characterized by being prepared from a negative ion mixed solution, a stable oxygenation mixed solution and a disinfectant and sterilizing solution according to a mass ratio of 1:1:1, wherein the negative ion mixed solution is prepared from the following raw materials in percentage by mass: 15 to 23 percent of calcined tourmaline powder, 0.02 to 0.12 percent of nano cerium oxide and 76.88 to 84.98 percent of deionized water; the stable oxygenation mixed liquor is prepared from the following raw materials in percentage by mass: 10-20% of anhydrous sodium carbonate, 3-8% of sodium polyacrylate, 8-15% of hydrogen peroxide and 57-79% of deionized water; the disinfection and sterilization liquid is prepared from the following raw materials in percentage by mass: 1-4% of broadleaf holly leaf extract, 1-5% of Chinese pulsatilla root extract, 1-4% of dandelion extract, 1-3% of chlorophytum comosum extract, 1-3% of lotus leaf extract and 81-95% of deionized water.
2. The negative oxygen ion disinfectant and bactericide of claim 1, wherein the disinfectant and bactericide is prepared from a negative ion mixed solution, a stable oxygenation mixed solution and a disinfectant and bactericide solution in a mass ratio of 1:1:1, wherein the negative ion mixed solution is prepared from the following raw materials in percentage by mass: 18 percent of calcined tourmaline powder, 0.05 percent of nano cerium oxide and 81.95 percent of deionized water; the stable oxygenation mixed liquor is prepared from the following raw materials in percentage by mass: 15% of anhydrous sodium carbonate, 4% of sodium polyacrylate, 10% of hydrogen peroxide and 71% of deionized water; the disinfection and sterilization liquid is prepared from the following raw materials in percentage by mass: 2.5 percent of broadleaf holly leaf extract, 2 percent of Chinese pulsatilla root extract, 2.6 percent of dandelion extract, 1.8 percent of chlorophytum comosum extract, 1.5 percent of lotus leaf extract and 89.6 percent of deionized water.
3. The preparation method of the negative oxygen ion disinfectant and bactericide is characterized by comprising the following steps:
step 1: preparing negative ion mixed liquid
Calcining tourmaline powder to obtain calcined tourmaline powder;
respectively weighing the following raw materials in percentage by mass: the calcined tourmaline powder accounts for 15 to 23 percent, the nano cerium oxide accounts for 0.02 to 0.12 percent and the deionized water accounts for 76.88 to 84.98 percent, and the mixture is uniformly mixed and stirred to obtain negative ion mixed solution;
step 2: preparing stable oxygenation mixed liquor
Respectively weighing the following raw materials in percentage by mass: 10-20% of anhydrous sodium carbonate, 3-8% of sodium polyacrylate, 8-15% of hydrogen peroxide and 57-79% of deionized water; adding the weighed anhydrous sodium carbonate into the weighed deionized water, slowly adding the weighed sodium polyacrylate under stirring, slowly adding the weighed hydrogen peroxide after the anhydrous sodium carbonate is completely dissolved, wherein the whole process does not exceed 50min, and obtaining a stable oxygenation mixed solution;
and step 3: preparing a disinfecting and sterilizing liquid
Respectively weighing the following raw materials in percentage by weight: 1-4% of broadleaf holly leaf extract, 1-5% of Chinese pulsatilla root extract, 1-4% of dandelion extract, 1-3% of chlorophytum comosum extract, 1-3% of lotus leaf extract and 81-95% of deionized water, and mixing and stirring uniformly to obtain a disinfection and sterilization solution;
and 4, step 4: preparation of negative oxygen ion disinfectant
And (3) uniformly mixing the negative ion mixed liquid obtained in the step (1), the stable oxygenation mixed liquid obtained in the step (2) and the disinfection and sterilization liquid obtained in the step (3), adjusting the pH value to 7-8.5, heating, removing color, filtering, and taking filtrate, namely the negative oxygen ion disinfection and sterilization agent.
4. The method for preparing a negative oxygen ion sanitizer according to claim 3, wherein in step 1, the particle size of the tourmaline powder is 5000-8000 meshes; the calcining temperature is 400-600 ℃, and the calcining time is 2-5 h.
5. The method for preparing a negative oxygen ion disinfectant and bactericide as claimed in claim 3, wherein in step 1, the rotation speed of the stirring is 3000 rpm-6000 rpm for 30min-40 min.
6. The method for preparing a negative oxygen ion disinfectant and sterilizing agent according to claim 3, wherein in the step 2, the rotation speed of the stirring is 200-500 rpm.
7. The method for preparing a negative oxygen ion disinfectant and sterilizing agent according to claim 3, wherein in step 4, edible acetic acid is used for adjusting the pH value; the heating temperature is 76-89 ℃, and the heating time is 30-40 min.
8. The method for preparing a negative oxygen ion sanitizer according to claim 3, wherein in step 4, activated carbon is used for color removal.
9. The method for preparing a negative oxygen ion disinfectant and bactericide as claimed in any one of claims 3-8, wherein in step 4, said filtering is performed by using zeolite molecular sieve with pore size of 0.425nm-0.45 nm.
10. Use of the negative oxygen ion sanitizer of claim 1 or 2 in the field of air purification.
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