CN111436456A - Chlorine dioxide solution spray and preparation method thereof - Google Patents
Chlorine dioxide solution spray and preparation method thereof Download PDFInfo
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- CN111436456A CN111436456A CN202010385133.0A CN202010385133A CN111436456A CN 111436456 A CN111436456 A CN 111436456A CN 202010385133 A CN202010385133 A CN 202010385133A CN 111436456 A CN111436456 A CN 111436456A
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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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- 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
- A01N25/00—Biocides, pest repellants or attractants, or plant growth regulators, characterised by their forms, or by their non-active ingredients or by their methods of application, e.g. seed treatment or sequential application; Substances for reducing the noxious effect of the active ingredients to organisms other than pests
- A01N25/02—Biocides, pest repellants or attractants, or plant growth regulators, characterised by their forms, or by their non-active ingredients or by their methods of application, e.g. seed treatment or sequential application; Substances for reducing the noxious effect of the active ingredients to organisms other than pests containing liquids as carriers, diluents or solvents
- A01N25/04—Dispersions, emulsions, suspoemulsions, suspension concentrates or gels
- A01N25/06—Aerosols
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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
- A01N25/00—Biocides, pest repellants or attractants, or plant growth regulators, characterised by their forms, or by their non-active ingredients or by their methods of application, e.g. seed treatment or sequential application; Substances for reducing the noxious effect of the active ingredients to organisms other than pests
- A01N25/22—Biocides, pest repellants or attractants, or plant growth regulators, characterised by their forms, or by their non-active ingredients or by their methods of application, e.g. seed treatment or sequential application; Substances for reducing the noxious effect of the active ingredients to organisms other than pests containing ingredients stabilising the active ingredients
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- Pest Control & Pesticides (AREA)
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Abstract
The invention discloses a chlorine dioxide solution spray and a preparation method thereof, wherein the chlorine dioxide solution spray comprises the following components in percentage by mass: 10-20 parts of sodium chlorite, 5-10 parts of acidic activator, 10-20 parts of stabilizer and 80-90 parts of water, and the method comprises the following steps: adding sodium chlorite into water, stirring and dissolving to obtain a water solution; adding an acidic activator into the aqueous solution for mixing; adding a stabilizer into the aqueous solution for mixing, and adjusting the pH value of the aqueous solution to a preset fixed value to obtain a chlorine dioxide mixed solution; and filtering and removing precipitates of the chlorine dioxide mixed solution, and diluting. The invention adjusts the pH value of the chlorine dioxide reaction system and reduces the salt concentration in the solution by adding one or more specific alkali metal compound stabilizers, thereby prolonging the service life of the product of the chlorine dioxide solution spray and solving the problem that the chlorine dioxide used as a surface disinfectant and spray can leave powder or white spots after being dried.
Description
Technical Field
The invention relates to the field of disinfection and sterilization products, in particular to a chlorine dioxide solution spray and a preparation method thereof.
Background
ClO2Is a gas from yellow green to orange yellow, and is a safe and nontoxic green disinfectant which is internationally recognized. Sterilizing by oxidationChlorine dioxide is a highly selective oxidant. Ozone and chlorine have higher reactivity than chlorine dioxide and can oxidize most organic substances. However, chlorine dioxide only reacts with reducing sulfides, secondary amines, tertiary amines, and other strongly reducing and reactive organic species. Thus, chlorine dioxide, at much lower levels, gives a more stable reaction product than chlorine and ozone. In the case of a large amount of organic matter, it is more effective to use a suitable amount of chlorine dioxide than ozone and chlorine because of its selectivity. From the comprehensive comparison of disinfection effect and side effect, chlorine dioxide is the most excellent disinfectant in the existing chemical disinfectants, but cannot be said to be a nontoxic green disinfectant, has an academic term called actual nontoxicity, is the toxicity classification under a certain using amount of the disinfectant or additive, and is divided into the following parts according to the toxicity weight: the chlorine dioxide can be divided into actual non-toxic grades according to the mode.
The service life of the existing chlorine dioxide solution spray is affected by the pH value, and is often short, and the salt concentration in the upper layer liquid of the existing chlorine dioxide solution spray is higher due to improper selection of the stabilizer in the preparation and production processes of the existing chlorine dioxide solution spray, so that the existing chlorine dioxide solution spray can be used as a surface disinfectant and spray, and powder or white spots can be left after drying. Therefore, the invention provides a chlorine dioxide solution spray and a preparation method thereof, which aim to solve the defects in the prior art.
Disclosure of Invention
Aiming at the problems, the invention aims to provide a chlorine dioxide solution spray and a preparation method thereof, and the chlorine dioxide solution spray is prepared by adding one or more specific alkali metal compound stabilizers to adjust the pH value of a chlorine dioxide reaction system and reduce the salt concentration in the solution, so that the service life of the chlorine dioxide solution spray is prolonged, and the problem that powder or white spots are left after the chlorine dioxide is dried when the chlorine dioxide is used as a surface disinfectant and sprayed is solved.
In order to realize the purpose of the invention, the invention is realized by the following technical scheme:
a chlorine dioxide solution spray comprises the following components by mass ratio: 10-20 parts of sodium chlorite, 5-10 parts of acidic activator, 10-20 parts of stabilizer and 80-90 parts of water.
The further improvement lies in that: comprises the following components in percentage by mass: 15 parts of sodium chlorite, 8 parts of an acidic activator, 15 parts of a stabilizer and 85 parts of water.
The further improvement lies in that: the stabilizer is an alkaline metal compound stabilizer.
The further improvement lies in that: the stabilizer includes, but is not limited to, any one or more of calcium hydroxide, sodium carbonate, potassium hydroxide, lithium hydroxide or barium hydroxide.
The further improvement lies in that: the acidic activator is any one of sodium bisulfate powder, sodium sulfate powder, potassium bisulfate powder, potassium sulfate powder or magnesium bisulfate powder.
A preparation method of a chlorine dioxide solution spray comprises the following steps:
the method comprises the following steps: adding sodium chlorite into water, stirring and dissolving to obtain a water solution;
step two: adding an acidic activator into the aqueous solution for mixing;
step three: adding a stabilizer into the aqueous solution for mixing, and adjusting the pH value of the aqueous solution to a preset fixed value to obtain a chlorine dioxide mixed solution;
step four: and (3) filtering and removing precipitates of the chlorine dioxide mixed solution to obtain chlorine dioxide, and finally diluting the chlorine dioxide to obtain the chlorine dioxide solution spray.
The further improvement lies in that: in the first step, before adding sodium chlorite into water to be stirred and dissolved, the sodium chlorite needs to be dried at a constant temperature, wherein the temperature of the constant-temperature drying treatment is 60-70 ℃, and the time of the constant-temperature drying treatment is 1-2 hours.
The further improvement lies in that: and when stirring and dissolving are carried out in the step one, the stirring speed is controlled to be 10-20 revolutions per minute, and the stirring needs to be controlled to be in the same direction.
The invention has the beneficial effects that: the invention adjusts the pH value and inorganic salt concentration of the system for synthesizing chlorine dioxide by chemical reaction by using a specific stabilizer, can effectively prolong the service life of the product after adjusting the pH value by using the stabilizer, and metal ions in the stabilizer and an acidic activator form insoluble precipitates.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Example one
A chlorine dioxide solution spray comprises the following components by mass ratio: 10 parts of sodium chlorite, 5 parts of an acidic activator, 10 parts of a stabilizer and 80 parts of water.
The further improvement lies in that: the stabilizer is an alkaline metal compound stabilizer.
The further improvement lies in that: the stabilizer is sodium carbonate.
The further improvement lies in that: the acidic activator is sodium bisulfate powder.
A preparation method of a chlorine dioxide solution spray comprises the following steps:
the method comprises the following steps: firstly, carrying out constant-temperature drying treatment on sodium chlorite, wherein the constant-temperature drying treatment temperature is 65 ℃, the constant-temperature drying treatment time is 1.5 hours, then adding the sodium chlorite into water, stirring and dissolving to obtain an aqueous solution, wherein when stirring and dissolving are carried out, the stirring speed is controlled at 15 revolutions per minute, and the stirring is required to be controlled to be in the same direction;
step two: adding an acidic activator into the aqueous solution for mixing;
step three: adding a stabilizer into the aqueous solution for mixing, and adjusting the pH value of the aqueous solution to a preset fixed value to obtain a chlorine dioxide mixed solution;
step four: and (3) filtering and removing precipitates of the chlorine dioxide mixed solution to obtain chlorine dioxide, and finally diluting the chlorine dioxide to obtain the chlorine dioxide solution spray.
Example two
A chlorine dioxide solution spray comprises the following components by mass ratio: 15 parts of sodium chlorite, 8 parts of an acidic activator, 15 parts of a stabilizer and 85 parts of water.
The stabilizer is an alkaline metal compound stabilizer.
The stabilizer is calcium hydroxide.
The acidic activator is sodium sulfate powder.
A preparation method of a chlorine dioxide solution spray comprises the following steps:
the method comprises the following steps: firstly, carrying out constant-temperature drying treatment on sodium chlorite, wherein the constant-temperature drying treatment temperature is 65 ℃, the constant-temperature drying treatment time is 1.5 hours, then adding the sodium chlorite into water, stirring and dissolving to obtain an aqueous solution, wherein when stirring and dissolving are carried out, the stirring speed is controlled at 15 revolutions per minute, and the stirring is required to be controlled to be in the same direction;
step two: adding an acidic activator into the aqueous solution for mixing;
step three: adding a stabilizer into the aqueous solution for mixing, and adjusting the pH value of the aqueous solution to a preset fixed value to obtain a chlorine dioxide mixed solution;
step four: and (3) filtering and removing precipitates of the chlorine dioxide mixed solution to obtain chlorine dioxide, and finally diluting the chlorine dioxide to obtain the chlorine dioxide solution spray.
EXAMPLE III
A chlorine dioxide solution spray comprises the following components by mass ratio: 20 parts of sodium chlorite, 10 parts of an acidic activator, 20 parts of a stabilizer and 90 parts of water.
The further improvement lies in that: the stabilizer is an alkaline metal compound stabilizer.
The further improvement lies in that: the stabilizer is sodium carbonate.
The further improvement lies in that: the acidic activator is sodium bisulfate powder.
A preparation method of a chlorine dioxide solution spray comprises the following steps:
the method comprises the following steps: firstly, carrying out constant-temperature drying treatment on sodium chlorite, wherein the constant-temperature drying treatment temperature is 65 ℃, the constant-temperature drying treatment time is 1.5 hours, then adding the sodium chlorite into water, stirring and dissolving to obtain an aqueous solution, wherein when stirring and dissolving are carried out, the stirring speed is controlled at 15 revolutions per minute, and the stirring is required to be controlled to be in the same direction;
step two: adding an acidic activator into the aqueous solution for mixing;
step three: adding a stabilizer into the aqueous solution for mixing, and adjusting the pH value of the aqueous solution to a preset fixed value to obtain a chlorine dioxide mixed solution;
step four: and (3) filtering and removing precipitates of the chlorine dioxide mixed solution to obtain chlorine dioxide, and finally diluting the chlorine dioxide to obtain the chlorine dioxide solution spray.
According to the first embodiment, the second embodiment and the third embodiment, the invention comprises the following components in percentage by mass: the chlorine dioxide solution spray prepared from 10-20 parts of sodium chlorite, 5-10 parts of acidic activator, 10-20 parts of stabilizer and 80-90 parts of water has the best service life, can effectively reduce the use marks of surface disinfection and spraying, and can obviously reduce the powder or white spots left after drying.
The invention adjusts the pH value and inorganic salt concentration of the system for synthesizing chlorine dioxide by chemical reaction by using a specific stabilizer, can effectively prolong the service life of the product after adjusting the pH value by using the stabilizer, and metal ions in the stabilizer and an acidic activator form insoluble precipitates.
The foregoing illustrates and describes the principles, general features, and advantages of the present invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (8)
1. The chlorine dioxide solution spray is characterized by comprising the following components in percentage by mass: 10-20 parts of sodium chlorite, 5-10 parts of acidic activator, 10-20 parts of stabilizer and 80-90 parts of water.
2. A chlorine dioxide solution spray according to claim 1, characterized in that: comprises the following components in percentage by mass: 15 parts of sodium chlorite, 8 parts of an acidic activator, 15 parts of a stabilizer and 85 parts of water.
3. A chlorine dioxide solution spray according to claim 1, characterized in that: the stabilizer is an alkaline metal compound stabilizer.
4. A chlorine dioxide solution spray according to claim 3, characterized in that: the stabilizer includes, but is not limited to, any one or more of calcium hydroxide, sodium carbonate, potassium hydroxide, lithium hydroxide or barium hydroxide.
5. A chlorine dioxide solution spray according to claim 1, characterized in that: the acidic activator is any one of sodium bisulfate powder, sodium sulfate powder, potassium bisulfate powder, potassium sulfate powder or magnesium bisulfate powder.
6. The preparation method of the chlorine dioxide solution spray is characterized by comprising the following steps:
the method comprises the following steps: adding sodium chlorite into water, stirring and dissolving to obtain a water solution;
step two: adding an acidic activator into the aqueous solution for mixing;
step three: adding a stabilizer into the aqueous solution for mixing, and adjusting the pH value of the aqueous solution to a preset fixed value to obtain a chlorine dioxide mixed solution;
step four: and (3) filtering and removing precipitates of the chlorine dioxide mixed solution to obtain chlorine dioxide, and finally diluting the chlorine dioxide to obtain the chlorine dioxide solution spray.
7. The method for preparing a chlorine dioxide solution spray according to claim 6, wherein the method comprises the following steps: in the first step, before adding sodium chlorite into water to be stirred and dissolved, the sodium chlorite needs to be dried at a constant temperature, wherein the temperature of the constant-temperature drying treatment is 60-70 ℃, and the time of the constant-temperature drying treatment is 1-2 hours.
8. The method for preparing a chlorine dioxide solution spray according to claim 6, wherein the method comprises the following steps: and when stirring and dissolving are carried out in the step one, the stirring speed is controlled to be 10-20 revolutions per minute, and the stirring needs to be controlled to be in the same direction.
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN115553299A (en) * | 2022-09-27 | 2023-01-03 | 黄岛海关综合技术服务中心 | Disinfectant for cold chain food and using method thereof |
Citations (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1185417A (en) * | 1996-12-18 | 1998-06-24 | 丁章迅 | Method for production of stable chlorine dioxide |
CN1907500A (en) * | 2006-08-21 | 2007-02-07 | 天津生机集团有限公司 | Disinfection agent of chlorine dioxide |
CN1969633A (en) * | 2006-12-06 | 2007-05-30 | 刘桂发 | Monophyletic solid disinfectant of chlorine dioxide and preparation method thereof |
CN101099486A (en) * | 2006-07-04 | 2008-01-09 | 吴礼龙 | High stable type unitary solid chlorine dioxide disinfectant producing method |
CN101138644A (en) * | 2007-09-17 | 2008-03-12 | 河北科技大学 | Fragrant type sustained-release chlorine dioxide gel rubber powder and preparation method thereof |
CN101177244A (en) * | 2006-11-06 | 2008-05-14 | 叶青 | Preparation of solid chlorine dioxide |
JP3174140U (en) * | 2011-12-12 | 2012-03-08 | 株式会社ウイット | Anti-bacterial, anti-fungal, deodorant, cleaning dry sheet which generates sodium dioxide when coated with sodium chlorite and cleaning agent, and coated with acid agent on the back side and soaks in water during use. |
CN102626104A (en) * | 2012-03-22 | 2012-08-08 | 广东环凯微生物科技有限公司 | Stabilized chlorine dioxide disinfection solution and its preparation method |
CN105165891A (en) * | 2015-09-22 | 2015-12-23 | 上海普吉生物科技有限公司 | Chlorine dioxide tablet disinfector and preparing method thereof |
CN108849968A (en) * | 2018-04-23 | 2018-11-23 | 开封联昌药业有限公司 | Chlorine dioxide binary liquid disinfectant and preparation method thereof |
-
2020
- 2020-05-09 CN CN202010385133.0A patent/CN111436456A/en active Pending
Patent Citations (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1185417A (en) * | 1996-12-18 | 1998-06-24 | 丁章迅 | Method for production of stable chlorine dioxide |
CN101099486A (en) * | 2006-07-04 | 2008-01-09 | 吴礼龙 | High stable type unitary solid chlorine dioxide disinfectant producing method |
CN1907500A (en) * | 2006-08-21 | 2007-02-07 | 天津生机集团有限公司 | Disinfection agent of chlorine dioxide |
CN101177244A (en) * | 2006-11-06 | 2008-05-14 | 叶青 | Preparation of solid chlorine dioxide |
CN1969633A (en) * | 2006-12-06 | 2007-05-30 | 刘桂发 | Monophyletic solid disinfectant of chlorine dioxide and preparation method thereof |
CN101138644A (en) * | 2007-09-17 | 2008-03-12 | 河北科技大学 | Fragrant type sustained-release chlorine dioxide gel rubber powder and preparation method thereof |
JP3174140U (en) * | 2011-12-12 | 2012-03-08 | 株式会社ウイット | Anti-bacterial, anti-fungal, deodorant, cleaning dry sheet which generates sodium dioxide when coated with sodium chlorite and cleaning agent, and coated with acid agent on the back side and soaks in water during use. |
CN102626104A (en) * | 2012-03-22 | 2012-08-08 | 广东环凯微生物科技有限公司 | Stabilized chlorine dioxide disinfection solution and its preparation method |
CN105165891A (en) * | 2015-09-22 | 2015-12-23 | 上海普吉生物科技有限公司 | Chlorine dioxide tablet disinfector and preparing method thereof |
CN108849968A (en) * | 2018-04-23 | 2018-11-23 | 开封联昌药业有限公司 | Chlorine dioxide binary liquid disinfectant and preparation method thereof |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN115553299A (en) * | 2022-09-27 | 2023-01-03 | 黄岛海关综合技术服务中心 | Disinfectant for cold chain food and using method thereof |
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