CN112090017A - Method for quickly removing indoor formaldehyde - Google Patents
Method for quickly removing indoor formaldehyde Download PDFInfo
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- CN112090017A CN112090017A CN201910522949.0A CN201910522949A CN112090017A CN 112090017 A CN112090017 A CN 112090017A CN 201910522949 A CN201910522949 A CN 201910522949A CN 112090017 A CN112090017 A CN 112090017A
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- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62D—CHEMICAL MEANS FOR EXTINGUISHING FIRES OR FOR COMBATING OR PROTECTING AGAINST HARMFUL CHEMICAL AGENTS; CHEMICAL MATERIALS FOR USE IN BREATHING APPARATUS
- A62D3/00—Processes for making harmful chemical substances harmless or less harmful, by effecting a chemical change in the substances
- A62D3/30—Processes for making harmful chemical substances harmless or less harmful, by effecting a chemical change in the substances by reacting with chemical agents
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- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62D—CHEMICAL MEANS FOR EXTINGUISHING FIRES OR FOR COMBATING OR PROTECTING AGAINST HARMFUL CHEMICAL AGENTS; CHEMICAL MATERIALS FOR USE IN BREATHING APPARATUS
- A62D3/00—Processes for making harmful chemical substances harmless or less harmful, by effecting a chemical change in the substances
- A62D3/30—Processes for making harmful chemical substances harmless or less harmful, by effecting a chemical change in the substances by reacting with chemical agents
- A62D3/36—Detoxification by using acid or alkaline reagents
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- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62D—CHEMICAL MEANS FOR EXTINGUISHING FIRES OR FOR COMBATING OR PROTECTING AGAINST HARMFUL CHEMICAL AGENTS; CHEMICAL MATERIALS FOR USE IN BREATHING APPARATUS
- A62D3/00—Processes for making harmful chemical substances harmless or less harmful, by effecting a chemical change in the substances
- A62D3/30—Processes for making harmful chemical substances harmless or less harmful, by effecting a chemical change in the substances by reacting with chemical agents
- A62D3/38—Processes for making harmful chemical substances harmless or less harmful, by effecting a chemical change in the substances by reacting with chemical agents by oxidation; by combustion
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/34—Chemical or biological purification of waste gases
- B01D53/46—Removing components of defined structure
- B01D53/72—Organic compounds not provided for in groups B01D53/48 - B01D53/70, e.g. hydrocarbons
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/34—Chemical or biological purification of waste gases
- B01D53/74—General processes for purification of waste gases; Apparatus or devices specially adapted therefor
- B01D53/77—Liquid phase processes
- B01D53/78—Liquid phase processes with gas-liquid contact
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- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62D—CHEMICAL MEANS FOR EXTINGUISHING FIRES OR FOR COMBATING OR PROTECTING AGAINST HARMFUL CHEMICAL AGENTS; CHEMICAL MATERIALS FOR USE IN BREATHING APPARATUS
- A62D2101/00—Harmful chemical substances made harmless, or less harmful, by effecting chemical change
- A62D2101/20—Organic substances
- A62D2101/28—Organic substances containing oxygen, sulfur, selenium or tellurium, i.e. chalcogen
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2257/00—Components to be removed
- B01D2257/70—Organic compounds not provided for in groups B01D2257/00 - B01D2257/602
- B01D2257/708—Volatile organic compounds V.O.C.'s
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- Chemical & Material Sciences (AREA)
- General Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Health & Medical Sciences (AREA)
- Environmental & Geological Engineering (AREA)
- General Health & Medical Sciences (AREA)
- Toxicology (AREA)
- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- Analytical Chemistry (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Biomedical Technology (AREA)
- Disinfection, Sterilisation Or Deodorisation Of Air (AREA)
- Chemical And Physical Treatments For Wood And The Like (AREA)
Abstract
The invention discloses a method for quickly removing indoor formaldehyde, which comprises the following steps: step 1: potassium permanganate, citric acid, potassium dihydrogen phosphate, triethanolamine and water are mixed according to a certain weight ratio and stirred to prepare a formaldehyde removal aqueous solution; step 2: and pouring the obtained formaldehyde removal aqueous solution into a water tank of a household garment steamer, and moving the household garment steamer to a specified position. The invention utilizes the principle of the permeation of the expansion and contraction composite interface, fumigates the surface of the furniture or the building material at high temperature to enable the surface of the furniture or the building material to be in an active state, and is beneficial to the release of formaldehyde gas, and promotes the formaldehyde removal aqueous solution to permeate to the deep layer of the furniture or the building material by utilizing the contraction state of the surface of the furniture or the building material after the high-temperature fumigation, and then the formaldehyde removal aqueous solution reacts with free formaldehyde in the material, thereby thoroughly removing the free formaldehyde, avoiding secondary pollution, reducing the construction frequency, reducing the formaldehyde treatment cost and being beneficial to the use of people.
Description
Technical Field
The invention relates to the technical field of environmental protection, in particular to a method for quickly removing indoor formaldehyde.
Background
The formaldehyde is a substance with higher toxicity, the formaldehyde is the second place on the priority control list of toxic chemicals in China, the formaldehyde is determined as carcinogenic and teratogenic substances by the world health organization, is a recognized allergic reaction source and one of potential strong mutagens, the formaldehyde can spontaneously and chemically react with free amino groups on protein, DNA and RNA to denature the protein and nucleic acid, after the chemical reaction with the formaldehyde, a genetic code formed by base arrangement on the DNA for encoding the protein can be correspondingly changed to cause gene mutation and serious carcinogenesis, the formaldehyde exceeding the standard in newly-decorated indoor air is one of pollutants with the greatest harm to human bodies, researches show that the formaldehyde has strong carcinogenic and carcinogenic effects, and when the concentration of the formaldehyde reaches 0.08-0.09mg/m3 in per cubic meter of air, children can suffer slight asthma, when the formaldehyde content in the indoor air is 0.1mg/m3, peculiar smell and uncomfortable feeling can be generated; when the concentration reaches 0.5mg/m3, the eye can be stimulated to cause lacrimation; up to 0.6mg/m3, it can cause discomfort or pain in the throat, and at higher concentrations, it can cause nausea, vomiting, cough, chest distress, asthma and even pulmonary edema; when the concentration reaches 30mg/m3, the human body immediately dies.
Along with the improvement of living standard of people in recent years, more and more importance is placed on the beauty and comfort of indoor decoration, however, the decoration brings serious indoor pollution while bringing living enjoyment to people, great damage is brought to the health of people, the indoor pollutants commonly comprise formaldehyde, benzene, ammonia, radon and the like, the formaldehyde is a main indoor air pollutant which is widely valued, the formaldehyde is a potential carcinogen recognized in the world, the high-concentration formaldehyde is toxic to the central nervous system, the immune system and the liver, and even can cause allergic diseases, so the control of the indoor formaldehyde is directly related to the physical and mental health of people.
At present, the treatment method of formaldehyde mainly comprises two methods, one method is treatment from the source: because indoor formaldehyde generally comes from decorative materials, the purpose can be achieved by controlling the use of source formaldehyde, but the formaldehyde can not be completely separated in the industry at present, the other is a post treatment technology, mainly comprises a plant purification method, an adsorption method and a chemical method, wherein the chemical method comprises an ozone oxidation method, a plasma method, a photocatalytic oxidation method, a matt metal oxidation method and the like, wherein the adsorption method and the chemical treatment method have the best effect, but the chemical method generally has the problems of immature technology and high cost, so the adsorption method is widely applied at present, activated carbon and activated carbon fiber are widely applied, the adsorbent has a very developed pore structure and a large specific surface area, the adsorption effect shows great advantages, the technologies have advantages, but the problem that the formaldehyde is permanently polluted is not solved, after indoor places are decorated, if the used building materials do not meet the environmental protection requirement, formaldehyde can be continuously released from the building materials, the release period can reach 3-15 years, indoor formaldehyde is removed to the maximum extent, high construction frequency is needed, the treatment cost can be greatly increased through repeated construction, and the use of people is not facilitated.
Disclosure of Invention
The invention aims to provide a method for quickly removing indoor formaldehyde, which has the advantages that indoor formaldehyde pollution gas can be continuously and stably absorbed by the method for quickly removing indoor formaldehyde, indoor formaldehyde air pollution with construction frequency is reduced, and the problems of frequent construction and increased treatment cost of the existing method for removing indoor formaldehyde are solved.
In order to achieve the purpose, the invention provides the following technical scheme: a method for quickly removing indoor formaldehyde comprises the following steps:
step 1: potassium permanganate, citric acid, potassium dihydrogen phosphate, triethanolamine and water are mixed according to a certain weight ratio and stirred to prepare a formaldehyde removal aqueous solution;
step 2: pouring the obtained formaldehyde removal aqueous solution into a water tank of a household steamer, moving the household steamer to a specified position, switching on a power supply, heating the formaldehyde removal aqueous solution in the water tank, and spraying generated high-temperature steam out through a spray head;
and step 3: placing a floor fan behind the household garment steamer, wherein the fan angle of the floor fan is the same as the angle of steam sprayed by a spray head of the household garment steamer, switching on a power supply of the floor fan, accelerating the flow rate of indoor air, and then closing a door and a window for 3 h;
and 4, step 4: opening doors and windows, closing the household garment steamer and the floor fan, allowing indoor air to convect for 30min, and then checking the indoor formaldehyde content through a formaldehyde detection agent to obtain air with standard formaldehyde content.
Preferably, the formaldehyde removal aqueous solution in the step 1 is composed of the following materials in parts by weight: 10% of potassium permanganate, 10% of citric acid, 5% of potassium dihydrogen phosphate, 5% of triethanolamine and 70% of water, wherein the stirring and mixing temperature is 38-60 ℃, and the stirring time is 5-10 min.
Preferably, in the step 2, when formaldehyde is removed from indoor air, the household steamer is moved to the middle part of the room, when formaldehyde is removed from indoor furniture or building materials, a nozzle of the household steamer is aligned to the surface of the furniture or building materials to be removed, and the temperature of the generated high-temperature steam is 98 ℃.
Preferably, the fan blades of the floor fan in the step 3 are located at the same height as the spray head of the garment steamer, and the wind speed of the floor fan is the maximum gear speed.
Preferably, the formaldehyde detection agent in the step 4 adopts a formaldehyde self-detection box, and whether the content of formaldehyde exceeds the standard or not is obtained through color comparison.
Compared with the prior art, the invention has the following beneficial effects: the invention utilizes the principle of the permeation of the expansion and contraction composite interface, fumigates the surface of the furniture or the building material at high temperature to enable the surface of the furniture or the building material to be in an active state, and is beneficial to the release of formaldehyde gas, and promotes the formaldehyde removal aqueous solution to permeate to the deep layer of the furniture or the building material by utilizing the contraction state of the surface of the furniture or the building material after the high-temperature fumigation, and then the formaldehyde removal aqueous solution reacts with free formaldehyde in the material, thereby thoroughly removing the free formaldehyde, avoiding secondary pollution, reducing the construction frequency, reducing the formaldehyde treatment cost and being beneficial to the use of people.
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.
A method for quickly removing indoor formaldehyde comprises the following steps:
step 1: potassium permanganate, citric acid, potassium dihydrogen phosphate, triethanolamine and water are mixed according to a certain weight ratio and stirred to prepare a formaldehyde removal aqueous solution;
step 2: pouring the obtained formaldehyde removal aqueous solution into a water tank of a household steamer, moving the household steamer to a specified position, switching on a power supply, heating the formaldehyde removal aqueous solution in the water tank, and spraying generated high-temperature steam out through a spray head;
and step 3: placing a floor fan behind the household garment steamer, wherein the fan angle of the floor fan is the same as the angle of steam sprayed by a spray head of the household garment steamer, switching on a power supply of the floor fan, accelerating the flow rate of indoor air, and then closing a door and a window for 3 h;
and 4, step 4: opening doors and windows, closing the household garment steamer and the floor fan, allowing indoor air to convect for 30min, and then checking the indoor formaldehyde content through a formaldehyde detection agent to obtain air with standard formaldehyde content.
Example 1
A method for quickly removing indoor formaldehyde comprises the following steps: step 1: potassium permanganate, citric acid, potassium dihydrogen phosphate, triethanolamine and water are mixed according to a certain weight ratio and stirred to prepare a formaldehyde removal aqueous solution; step 2: pouring the obtained formaldehyde removal aqueous solution into a water tank of a household steamer, moving the household steamer to a specified position, switching on a power supply, heating the formaldehyde removal aqueous solution in the water tank, and spraying generated high-temperature steam out through a spray head; and step 3: placing a floor fan behind the household garment steamer, wherein the fan angle of the floor fan is the same as the angle of steam sprayed by a spray head of the household garment steamer, switching on a power supply of the floor fan, accelerating the flow rate of indoor air, and then closing a door and a window for 3 h; and 4, step 4: opening doors and windows, closing the household garment steamer and the floor fan, allowing indoor air to convect for 30min, and then checking the indoor formaldehyde content through a formaldehyde detection agent to obtain air with standard formaldehyde content.
Example 2
In example 1, the following additional steps were added:
the formaldehyde removal aqueous solution in the step 1 is prepared from the following materials in parts by weight: 10 percent of potassium permanganate, 10 percent of citric acid, 5 percent of monopotassium phosphate, 5 percent of triethanolamine and 70 percent of water, the stirring and mixing temperature is 38-60 ℃, and the stirring time is 5-10 min.
A method for quickly removing indoor formaldehyde comprises the following steps: step 1: potassium permanganate, citric acid, potassium dihydrogen phosphate, triethanolamine and water are mixed according to a certain weight ratio and stirred to prepare a formaldehyde removal aqueous solution; step 2: pouring the obtained formaldehyde removal aqueous solution into a water tank of a household steamer, moving the household steamer to a specified position, switching on a power supply, heating the formaldehyde removal aqueous solution in the water tank, and spraying generated high-temperature steam out through a spray head; and step 3: placing a floor fan behind the household garment steamer, wherein the fan angle of the floor fan is the same as the angle of steam sprayed by a spray head of the household garment steamer, switching on a power supply of the floor fan, accelerating the flow rate of indoor air, and then closing a door and a window for 3 h; and 4, step 4: opening doors and windows, closing the household garment steamer and the floor fan, allowing indoor air to convect for 30min, and then checking the indoor formaldehyde content through a formaldehyde detection agent to obtain air with standard formaldehyde content.
Example 3
In example 2, the following steps were added:
and 2, when removing formaldehyde from indoor air, moving the household garment steamer to the middle part of the room, and when removing formaldehyde from indoor furniture or building materials, aligning a spray head of the household garment steamer to the surface of the furniture or building materials needing to remove the formaldehyde, wherein the temperature of the generated high-temperature steam is 98 ℃.
A method for quickly removing indoor formaldehyde comprises the following steps: step 1: potassium permanganate, citric acid, potassium dihydrogen phosphate, triethanolamine and water are mixed according to a certain weight ratio and stirred to prepare a formaldehyde removal aqueous solution; step 2: pouring the obtained formaldehyde removal aqueous solution into a water tank of a household steamer, moving the household steamer to a specified position, switching on a power supply, heating the formaldehyde removal aqueous solution in the water tank, and spraying generated high-temperature steam out through a spray head; and step 3: placing a floor fan behind the household garment steamer, wherein the fan angle of the floor fan is the same as the angle of steam sprayed by a spray head of the household garment steamer, switching on a power supply of the floor fan, accelerating the flow rate of indoor air, and then closing a door and a window for 3 h; and 4, step 4: opening doors and windows, closing the household garment steamer and the floor fan, allowing indoor air to convect for 30min, and then checking the indoor formaldehyde content through a formaldehyde detection agent to obtain air with standard formaldehyde content.
Example 4
In example 3, the following steps were added:
in the step 3, the fan blades of the floor fan and the spray head of the garment steamer are positioned at the same height, and the wind speed of the floor fan is the maximum gear speed.
A method for quickly removing indoor formaldehyde comprises the following steps: step 1: potassium permanganate, citric acid, potassium dihydrogen phosphate, triethanolamine and water are mixed according to a certain weight ratio and stirred to prepare a formaldehyde removal aqueous solution; step 2: pouring the obtained formaldehyde removal aqueous solution into a water tank of a household steamer, moving the household steamer to a specified position, switching on a power supply, heating the formaldehyde removal aqueous solution in the water tank, and spraying generated high-temperature steam out through a spray head; and step 3: placing a floor fan behind the household garment steamer, wherein the fan angle of the floor fan is the same as the angle of steam sprayed by a spray head of the household garment steamer, switching on a power supply of the floor fan, accelerating the flow rate of indoor air, and then closing a door and a window for 3 h; and 4, step 4: opening doors and windows, closing the household garment steamer and the floor fan, allowing indoor air to convect for 30min, and then checking the indoor formaldehyde content through a formaldehyde detection agent to obtain air with standard formaldehyde content.
Example 5
In example 4, the following steps were added:
and 4, adopting a formaldehyde self-testing box as the formaldehyde detection agent, and comparing colors to obtain whether the content of formaldehyde exceeds the standard or not.
A method for quickly removing indoor formaldehyde comprises the following steps: step 1: potassium permanganate, citric acid, potassium dihydrogen phosphate, triethanolamine and water are mixed according to a certain weight ratio and stirred to prepare a formaldehyde removal aqueous solution; step 2: pouring the obtained formaldehyde removal aqueous solution into a water tank of a household steamer, moving the household steamer to a specified position, switching on a power supply, heating the formaldehyde removal aqueous solution in the water tank, and spraying generated high-temperature steam out through a spray head; and step 3: placing a floor fan behind the household garment steamer, wherein the fan angle of the floor fan is the same as the angle of steam sprayed by a spray head of the household garment steamer, switching on a power supply of the floor fan, accelerating the flow rate of indoor air, and then closing a door and a window for 3 h; and 4, step 4: opening doors and windows, closing the household garment steamer and the floor fan, allowing indoor air to convect for 30min, and then checking the indoor formaldehyde content through a formaldehyde detection agent to obtain air with standard formaldehyde content.
By adopting the formaldehyde removing method of the embodiment 1-5, the indoor formaldehyde elimination rate can still exceed 96% after the formaldehyde removing aqueous solution is sprayed for 30 days, the measured formaldehyde concentration is less than 0.10 mg/cubic meter, and the removing effect reaches the standard requirement, so that the method for rapidly removing the indoor formaldehyde can continuously and stably absorb the indoor formaldehyde pollution gas.
In summary, the following steps: according to the method for quickly removing the indoor formaldehyde, the surface of furniture or building materials is fumigated at high temperature by utilizing the principle of the heat expansion and cold contraction composite interface permeation, so that the surface of the furniture or building materials is in an active state, formaldehyde gas is released favorably, and after the high-temperature fumigation, the cold contraction state of the surface of the furniture or building materials is utilized, the formaldehyde removal water solution is promoted to permeate directly to the deep layer of the furniture or building materials and then reacts with free formaldehyde in the materials, so that the free formaldehyde is thoroughly removed, secondary pollution is avoided, the construction frequency is reduced, the formaldehyde treatment cost is reduced, and the problems that the conventional indoor formaldehyde removal method, frequent construction and treatment cost increase are solved.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (5)
1. A method for quickly removing indoor formaldehyde is characterized by comprising the following steps: the method comprises the following steps:
step 1: potassium permanganate, citric acid, potassium dihydrogen phosphate, triethanolamine and water are mixed according to a certain weight ratio and stirred to prepare a formaldehyde removal aqueous solution;
step 2: pouring the obtained formaldehyde removal aqueous solution into a water tank of a household steamer, moving the household steamer to a specified position, switching on a power supply, heating the formaldehyde removal aqueous solution in the water tank, and spraying generated high-temperature steam out through a spray head;
and step 3: placing a floor fan behind the household garment steamer, wherein the fan angle of the floor fan is the same as the angle of steam sprayed by a spray head of the household garment steamer, switching on a power supply of the floor fan, accelerating the flow rate of indoor air, and then closing a door and a window for 3 h;
and 4, step 4: opening doors and windows, closing the household garment steamer and the floor fan, allowing indoor air to convect for 30min, and then checking the indoor formaldehyde content through a formaldehyde detection agent to obtain air with standard formaldehyde content.
2. The method for rapidly removing formaldehyde indoors according to claim 1, wherein the method comprises the following steps: the formaldehyde removal aqueous solution in the step 1 is prepared from the following materials in parts by weight: 10% of potassium permanganate, 10% of citric acid, 5% of potassium dihydrogen phosphate, 5% of triethanolamine and 70% of water, wherein the stirring and mixing temperature is 38-60 ℃, and the stirring time is 5-10 min.
3. The method for rapidly removing formaldehyde indoors according to claim 1, wherein the method comprises the following steps: in the step 2, when the formaldehyde in the indoor air is removed, the household steamer is moved to the middle part of the indoor air, when the formaldehyde in the indoor furniture or building materials is removed, the nozzle of the household steamer is aligned to the surface of the furniture or building materials to be removed, and the temperature of the generated high-temperature steam is 98 ℃.
4. The method for rapidly removing formaldehyde indoors according to claim 1, wherein the method comprises the following steps: and 3, the fan blades of the floor fan and the spray head of the garment steamer are positioned at the same height, and the wind speed of the floor fan is the maximum gear speed.
5. The method for rapidly removing formaldehyde indoors according to claim 1, wherein the method comprises the following steps: and 4, adopting a formaldehyde self-testing box as the formaldehyde detection agent in the step 4, and obtaining whether the content of formaldehyde exceeds the standard or not through color comparison.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910522949.0A CN112090017A (en) | 2019-06-17 | 2019-06-17 | Method for quickly removing indoor formaldehyde |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910522949.0A CN112090017A (en) | 2019-06-17 | 2019-06-17 | Method for quickly removing indoor formaldehyde |
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| CN112090017A true CN112090017A (en) | 2020-12-18 |
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| CN201910522949.0A Pending CN112090017A (en) | 2019-06-17 | 2019-06-17 | Method for quickly removing indoor formaldehyde |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1900788A1 (en) * | 2005-07-06 | 2008-03-19 | Ipposha Oil Industries Co. Ltd. | Aldehyde capture material and process for production of plywood with the same |
| CN102744757A (en) * | 2012-07-05 | 2012-10-24 | 陆勇军 | Method for producing formaldehyde-free floor |
| CN103953980A (en) * | 2014-04-23 | 2014-07-30 | 杨海基 | Air purifying device |
| CN107126824A (en) * | 2017-05-26 | 2017-09-05 | 王丽燕 | A kind of formaldehyde removes the quick minimizing technology of reagent and indoor formaldehyde |
| CN109059117A (en) * | 2018-06-08 | 2018-12-21 | 广东轻工职业技术学院 | A kind of multiduty gas detection and clarifier |
-
2019
- 2019-06-17 CN CN201910522949.0A patent/CN112090017A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1900788A1 (en) * | 2005-07-06 | 2008-03-19 | Ipposha Oil Industries Co. Ltd. | Aldehyde capture material and process for production of plywood with the same |
| CN102744757A (en) * | 2012-07-05 | 2012-10-24 | 陆勇军 | Method for producing formaldehyde-free floor |
| CN103953980A (en) * | 2014-04-23 | 2014-07-30 | 杨海基 | Air purifying device |
| CN107126824A (en) * | 2017-05-26 | 2017-09-05 | 王丽燕 | A kind of formaldehyde removes the quick minimizing technology of reagent and indoor formaldehyde |
| CN109059117A (en) * | 2018-06-08 | 2018-12-21 | 广东轻工职业技术学院 | A kind of multiduty gas detection and clarifier |
Non-Patent Citations (1)
| Title |
|---|
| 卢华山: "《针织毛衫工艺技术》", 31 October 2013, 东华大学出版社 * |
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Application publication date: 20201218 |