CN112956492A - Stable chlorine dioxide disinfectant and preparation method thereof - Google Patents
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- CN112956492A CN112956492A CN202110227240.5A CN202110227240A CN112956492A CN 112956492 A CN112956492 A CN 112956492A CN 202110227240 A CN202110227240 A CN 202110227240A CN 112956492 A CN112956492 A CN 112956492A
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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
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K8/00—Cosmetics or similar toiletry preparations
- A61K8/18—Cosmetics or similar toiletry preparations characterised by the composition
- A61K8/19—Cosmetics or similar toiletry preparations characterised by the composition containing inorganic ingredients
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K8/00—Cosmetics or similar toiletry preparations
- A61K8/18—Cosmetics or similar toiletry preparations characterised by the composition
- A61K8/19—Cosmetics or similar toiletry preparations characterised by the composition containing inorganic ingredients
- A61K8/20—Halogens; Compounds thereof
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K8/00—Cosmetics or similar toiletry preparations
- A61K8/18—Cosmetics or similar toiletry preparations characterised by the composition
- A61K8/19—Cosmetics or similar toiletry preparations characterised by the composition containing inorganic ingredients
- A61K8/22—Peroxides; Oxygen; Ozone
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K8/00—Cosmetics or similar toiletry preparations
- A61K8/18—Cosmetics or similar toiletry preparations characterised by the composition
- A61K8/19—Cosmetics or similar toiletry preparations characterised by the composition containing inorganic ingredients
- A61K8/23—Sulfur; Selenium; Tellurium; Compounds thereof
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61Q—SPECIFIC USE OF COSMETICS OR SIMILAR TOILETRY PREPARATIONS
- A61Q11/00—Preparations for care of the teeth, of the oral cavity or of dentures; Dentifrices, e.g. toothpastes; Mouth rinses
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61Q—SPECIFIC USE OF COSMETICS OR SIMILAR TOILETRY PREPARATIONS
- A61Q17/00—Barrier preparations; Preparations brought into direct contact with the skin for affording protection against external influences, e.g. sunlight, X-rays or other harmful rays, corrosive materials, bacteria or insect stings
- A61Q17/005—Antimicrobial preparations
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61Q—SPECIFIC USE OF COSMETICS OR SIMILAR TOILETRY PREPARATIONS
- A61Q19/00—Preparations for care of the skin
- A61Q19/10—Washing or bathing preparations
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- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B11/00—Oxides or oxyacids of halogens; Salts thereof
- C01B11/02—Oxides of chlorine
- C01B11/022—Chlorine dioxide (ClO2)
- C01B11/023—Preparation from chlorites or chlorates
- C01B11/024—Preparation from chlorites or chlorates from chlorites
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Abstract
The invention provides a stable chlorine dioxide disinfectant and a preparation method thereof. The stable chlorine dioxide disinfectant and the preparation method thereof comprise the following specific steps: taking specific raw materials and specific components; 35 parts of sodium chlorite solid, 15 parts of 98% concentrated sulfuric acid solution and 25 parts of sodium carbonate solid; hydrogen peroxide 8 parts, sodium hydroxide solution 8 parts and a plurality of water parts, put sodium chlorite solid, 98% concentrated sulfuric acid solution and sodium carbonate solid into different blending tanks respectively inside, pour into the water of certain proportion and mix, install the agitator respectively additional to different blending tanks and stir, obtain sodium chlorite solution after sodium chlorite solid and water mixed liquid filter. The stable chlorine dioxide disinfectant and the preparation method thereof provided by the invention have high activation rate, and when in use, hydrochloric acid is used as a reducing agent to react with a stable chlorine dioxide solution, so that the stable chlorine dioxide disinfectant can be directly added into a water plant for water quality purification; environment protection, no generation of 'three-cause' substances and no secondary pollution.
Description
Technical Field
The invention relates to the technical field of chlorine dioxide disinfectants, in particular to a stable chlorine dioxide disinfectant and a preparation method thereof.
Background
The disinfectant is used for killing pathogenic microorganisms on a transmission medium, so that the requirement of harmlessness is met, the pathogenic microorganisms are killed out of a human body, the transmission path of infectious diseases is cut off, and the purpose of controlling the infectious diseases is achieved. The disinfectant can be divided into a sterilizing agent, a high-efficiency disinfectant, a middle-efficiency disinfectant and a low-efficiency disinfectant according to the action level. The sterilizing agent can kill all microorganisms to meet the sterilizing requirement, and comprises formaldehyde, glutaraldehyde, ethylene oxide, peracetic acid, hydrogen peroxide, chlorine dioxide, chlorine, copper sulfate, quicklime, ethanol and the like.
Chlorine dioxide is a gas from yellow green to orange yellow, and is a safe and nontoxic green disinfectant recognized internationally. Chlorine dioxide with low concentration has mixed smell of grass and soil, has irritant smell similar to chlorine gas at high concentration, has strong irritation, mainly causes respiratory tract irritation after contacting, can cause pulmonary edema after inhaling high concentration, can kill, can cause serious injury to respiratory tract, and high concentration of the product gas can cause irritation to skin. The skin can be exposed to or ingested with the product in high concentration, which can cause strong irritation and corrosion, and chronic bronchitis due to long-term exposure to high concentration.
The existing chlorine dioxide gas form adopted for disinfection is easy to drift, the contact possibility in the disinfection process is poor, the disinfection effect is influenced, the chlorine dioxide gas form is used for storage and transportation, the storage life is short, and the stability is poor.
Therefore, there is a need to provide a stable chlorine dioxide disinfectant and a preparation method thereof to solve the above technical problems.
Disclosure of Invention
In order to solve the technical problems, the invention provides a stable chlorine dioxide disinfectant and a preparation method thereof.
A stable chlorine dioxide disinfectant comprises the following raw materials in parts by weight: 30-40 parts of sodium chlorite solid, 10-20 parts of 98% concentrated sulfuric acid solution, 20-30 parts of sodium carbonate solid, 5-10 parts of hydrogen peroxide, 5-10 parts of sodium hydroxide solution and a plurality of parts of water.
A method for preparing a stable chlorine dioxide disinfectant as claimed in claim 1, comprising the following steps:
the method comprises the following steps: taking specific raw materials and specific components; 35 parts of sodium chlorite solid, 15 parts of 98% concentrated sulfuric acid solution and 25 parts of sodium carbonate solid; 8 parts of hydrogen peroxide, 8 parts of sodium hydroxide solution and a plurality of parts of water;
step two: respectively putting the sodium chlorite solid, the 98% concentrated sulfuric acid solution and the sodium carbonate solid into different mixing tanks, pouring a certain proportion of water for mixing, respectively adding a stirrer to the different mixing tanks for stirring, filtering the mixed liquid of the sodium chlorite solid and the water to obtain the sodium chlorite solution, mixing the 98% concentrated sulfuric acid solution and the water to obtain the dilute sulfuric acid solution, and filtering the mixed liquid of the sodium carbonate solid and the water to obtain the sodium carbonate solution;
step three: pouring the sodium chlorite solution into a reaction kettle, pouring the dilute sulfuric acid solution into a metering tank, adding the metering tank onto the reaction kettle, dropwise adding the dilute sulfuric acid solution, slowly dropwise adding the dilute sulfuric acid solution, then adding the sodium carbonate solution, the hydrogen peroxide and the sodium hydroxide solution for absorption, and carrying out closed regulation at normal temperature for 40-60 minutes to obtain the stable chlorine dioxide solution.
Preferably, in the second step, the mixing ratio of the sodium chlorite solid to the water is 1: 3.4, the mixing ratio of the 98% concentrated sulfuric acid solution to the water is 1: 2.2, and the mixing ratio of the sodium carbonate solid to the water is 1: 5.8.
Preferably, the rotation speed of the stirrer in the second step is 600-900r/min, and the stirring time is 10-20 minutes.
Compared with the related technology, the stable chlorine dioxide disinfectant and the preparation method thereof provided by the invention have the following beneficial effects:
the invention provides a stable chlorine dioxide disinfectant and a preparation method thereof, wherein the preparation method comprises the following steps:
1. the activation rate is high, and when the catalyst is used, hydrochloric acid is used as a reducing agent to react with a stable chlorine dioxide solution, and can be directly added into a water plant for water purification;
2. the environment-friendly green paint has no 'three-cause' substance generation and no secondary pollution;
3. the stability is strong, the transportation is convenient, the liquid form exists, and the storage time is long;
4. the water exists in a liquid form, can be prepared into disinfection water with corresponding concentration, and is suitable for toilet water in a family toilet, hand washing water for students in schools and dental mouth rinsing water in hospitals.
Detailed Description
The present invention will be further described with reference to the following embodiments.
Example 1
A preparation method of a stable chlorine dioxide disinfectant comprises the following specific steps:
the method comprises the following steps: taking specific raw materials and specific components; 30 parts of sodium chlorite solid, 10 parts of 98% concentrated sulfuric acid solution and 20 parts of sodium carbonate solid; 5 parts of hydrogen peroxide, 5 parts of sodium hydroxide solution and a plurality of parts of water;
step two: respectively putting the sodium chlorite solid, the 98% concentrated sulfuric acid solution and the sodium carbonate solid into different mixing tanks, pouring a certain proportion of water for mixing, respectively adding a stirrer to the different mixing tanks for stirring, filtering the mixed liquid of the sodium chlorite solid and the water to obtain the sodium chlorite solution, mixing the 98% concentrated sulfuric acid solution and the water to obtain the dilute sulfuric acid solution, and filtering the mixed liquid of the sodium carbonate solid and the water to obtain the sodium carbonate solution;
step three: pouring the sodium chlorite solution into a reaction kettle, pouring the dilute sulfuric acid solution into a metering tank, adding the metering tank onto the reaction kettle, dropwise adding the dilute sulfuric acid solution, slowly dropwise adding the dilute sulfuric acid solution, then adding the sodium carbonate solution, the hydrogen peroxide and the sodium hydroxide solution for absorption, and carrying out closed regulation at normal temperature for 40 minutes to obtain the stable chlorine dioxide solution.
In the second step, the mixing ratio of the sodium chlorite solid to the water is 1: 3.4, the mixing ratio of the 98 percent concentrated sulfuric acid solution to the water is 1: 2.2, and the mixing ratio of the sodium carbonate solid to the water is 1: 5.8.
In the second step, the rotating speed of the stirrer is 600r/min, and the stirring time is 10 minutes.
Example 2
A preparation method of a stable chlorine dioxide disinfectant comprises the following specific steps:
the method comprises the following steps: taking specific raw materials and specific components; 32 parts of sodium chlorite solid, 12 parts of 98% concentrated sulfuric acid solution and 23 parts of sodium carbonate solid; 6 parts of hydrogen peroxide, 7 parts of sodium hydroxide solution and a plurality of parts of water;
step two: respectively putting the sodium chlorite solid, the 98% concentrated sulfuric acid solution and the sodium carbonate solid into different mixing tanks, pouring a certain proportion of water for mixing, respectively adding a stirrer to the different mixing tanks for stirring, filtering the mixed liquid of the sodium chlorite solid and the water to obtain the sodium chlorite solution, mixing the 98% concentrated sulfuric acid solution and the water to obtain the dilute sulfuric acid solution, and filtering the mixed liquid of the sodium carbonate solid and the water to obtain the sodium carbonate solution;
step three: pouring the sodium chlorite solution into a reaction kettle, pouring the dilute sulfuric acid solution into a metering tank, adding the metering tank onto the reaction kettle, dropwise adding the dilute sulfuric acid solution, slowly dropwise adding the dilute sulfuric acid solution, then adding the sodium carbonate solution, the hydrogen peroxide and the sodium hydroxide solution for absorption, and carrying out closed regulation at normal temperature for 48 minutes to obtain the stable chlorine dioxide solution.
In the second step, the mixing ratio of the sodium chlorite solid to the water is 1: 3.4, the mixing ratio of the 98 percent concentrated sulfuric acid solution to the water is 1: 2.2, and the mixing ratio of the sodium carbonate solid to the water is 1: 5.8.
In the second step, the rotating speed of the stirrer is 700r/min, and the stirring time is 15 minutes.
Example 3
A preparation method of a stable chlorine dioxide disinfectant comprises the following specific steps:
the method comprises the following steps: taking specific raw materials and specific components; 38 parts of sodium chlorite solid, 18 parts of 98% concentrated sulfuric acid solution and 27 parts of sodium carbonate solid; 9 parts of hydrogen peroxide, 9 parts of sodium hydroxide solution and a plurality of parts of water;
step two: respectively putting the sodium chlorite solid, the 98% concentrated sulfuric acid solution and the sodium carbonate solid into different mixing tanks, pouring a certain proportion of water for mixing, respectively adding a stirrer to the different mixing tanks for stirring, filtering the mixed liquid of the sodium chlorite solid and the water to obtain the sodium chlorite solution, mixing the 98% concentrated sulfuric acid solution and the water to obtain the dilute sulfuric acid solution, and filtering the mixed liquid of the sodium carbonate solid and the water to obtain the sodium carbonate solution;
step three: pouring the sodium chlorite solution into a reaction kettle, pouring the dilute sulfuric acid solution into a metering tank, adding the metering tank onto the reaction kettle, dropwise adding the dilute sulfuric acid solution, slowly dropwise adding the dilute sulfuric acid solution, then adding the sodium carbonate solution, the hydrogen peroxide and the sodium hydroxide solution for absorption, and carrying out closed regulation at normal temperature for 50 minutes to obtain the stable chlorine dioxide solution.
In the second step, the mixing ratio of the sodium chlorite solid to the water is 1: 3.4, the mixing ratio of the 98 percent concentrated sulfuric acid solution to the water is 1: 2.2, and the mixing ratio of the sodium carbonate solid to the water is 1: 5.8.
In the second step, the rotating speed of the stirrer is 800r/min, and the stirring time is 18 minutes.
Example 4
A preparation method of a stable chlorine dioxide disinfectant comprises the following specific steps:
the method comprises the following steps: taking specific raw materials and specific components; 40 parts of sodium chlorite solid, 20 parts of 98% concentrated sulfuric acid solution and 30 parts of sodium carbonate solid; 10 parts of hydrogen peroxide, 10 parts of sodium hydroxide solution and a plurality of parts of water;
step two: respectively putting the sodium chlorite solid, the 98% concentrated sulfuric acid solution and the sodium carbonate solid into different mixing tanks, pouring a certain proportion of water for mixing, respectively adding a stirrer to the different mixing tanks for stirring, filtering the mixed liquid of the sodium chlorite solid and the water to obtain the sodium chlorite solution, mixing the 98% concentrated sulfuric acid solution and the water to obtain the dilute sulfuric acid solution, and filtering the mixed liquid of the sodium carbonate solid and the water to obtain the sodium carbonate solution;
step three: pouring the sodium chlorite solution into a reaction kettle, pouring the dilute sulfuric acid solution into a metering tank, adding the metering tank onto the reaction kettle, dropwise adding the dilute sulfuric acid solution, slowly dropwise adding the dilute sulfuric acid solution, then adding the sodium carbonate solution, the hydrogen peroxide and the sodium hydroxide solution for absorption, and carrying out closed regulation at normal temperature for 60 minutes to obtain the stable chlorine dioxide solution.
In the second step, the mixing ratio of the sodium chlorite solid to the water is 1: 3.4, the mixing ratio of the 98 percent concentrated sulfuric acid solution to the water is 1: 2.2, and the mixing ratio of the sodium carbonate solid to the water is 1: 5.8.
And in the second step, the rotating speed of the stirrer is 900r/min, and the stirring time is 20 minutes.
The above description is only an embodiment of the present invention, and not intended to limit the scope of the present invention, and all modifications of equivalent structures and equivalent processes, or direct or indirect applications in other related fields, which are made by the contents of the present specification, are included in the scope of the present invention.
Claims (4)
1. The stable chlorine dioxide disinfectant is characterized by comprising the following raw materials in parts by weight: 30-40 parts of sodium chlorite solid, 10-20 parts of 98% concentrated sulfuric acid solution, 20-30 parts of sodium carbonate solid, 5-10 parts of hydrogen peroxide, 5-10 parts of sodium hydroxide solution and a plurality of parts of water.
2. A method for preparing a stable chlorine dioxide disinfectant as claimed in claim 1, which comprises the following steps:
the method comprises the following steps: taking specific raw materials and specific components; 35 parts of sodium chlorite solid, 15 parts of 98% concentrated sulfuric acid solution and 25 parts of sodium carbonate solid; 8 parts of hydrogen peroxide, 8 parts of sodium hydroxide solution and a plurality of parts of water;
step two: respectively putting the sodium chlorite solid, the 98% concentrated sulfuric acid solution and the sodium carbonate solid into different mixing tanks, pouring a certain proportion of water for mixing, respectively adding a stirrer to the different mixing tanks for stirring, filtering the mixed liquid of the sodium chlorite solid and the water to obtain the sodium chlorite solution, mixing the 98% concentrated sulfuric acid solution and the water to obtain the dilute sulfuric acid solution, and filtering the mixed liquid of the sodium carbonate solid and the water to obtain the sodium carbonate solution;
step three: pouring the sodium chlorite solution into a reaction kettle, pouring the dilute sulfuric acid solution into a metering tank, adding the metering tank onto the reaction kettle, dropwise adding the dilute sulfuric acid solution, slowly dropwise adding the dilute sulfuric acid solution, then adding the sodium carbonate solution, the hydrogen peroxide and the sodium hydroxide solution for absorption, and carrying out closed regulation at normal temperature for 40-60 minutes to obtain the stable chlorine dioxide solution.
3. A method for preparing a stable chlorine dioxide disinfectant as claimed in claim 2, wherein in step two, the mixing ratio of the sodium chlorite solid and the water is 1: 3.4, the mixing ratio of the 98% concentrated sulfuric acid solution and the water is 1: 2.2, and the mixing ratio of the sodium carbonate solid and the water is 1: 5.8.
4. The method for preparing stable chlorine dioxide disinfectant as claimed in claim 2, wherein the rotation speed of the stirrer in step two is 600-900r/min, and the stirring time is 10-20 minutes.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115159463A (en) * | 2022-08-03 | 2022-10-11 | 北京大凡创软技术有限公司 | Long-term storage method of chlorine dioxide disinfectant |
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2021
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| CN1097716A (en) * | 1993-07-17 | 1995-01-25 | 湖南省劳动卫生职业病防治研究所 | The production method of stability chlorine dioxide |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115159463A (en) * | 2022-08-03 | 2022-10-11 | 北京大凡创软技术有限公司 | Long-term storage method of chlorine dioxide disinfectant |
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