-
At present, the more authoritative is 3-15 years, and if you subdivide it, you need to first understand that the formaldehyde we generally refer to refers to the free state and the polymerization state. Among them, formaldehyde in the free state can generally be volatilized within 2 months; Formaldehyde in the polymerization state is difficult, and different places, different indoor temperatures, and different ventilation conditions will cause different results. However, polymerized formaldehyde needs to be converted into formaldehyde in a free state first, and then volatilized is common.
The following methods can be used to remove formaldehyde:
1. Open windows for ventilation Keep indoor air circulation, keep your home clean and dry, avoid using daily necessities containing volatile organic pollutants, and open windows for ventilation can discharge indoor volatile free formaldehyde substances for the first time. This method is very convenient, but it cannot remove formaldehyde from the source, so this method requires a lot of ventilation for a long time to remove formaldehyde.
2. Physical adsorption Some materials with good adsorption are placed in the newly decorated house, such as activated carbon, leaf mud, diatomaceous earth, etc., which are internationally recognized materials that can be used for physical adsorption, which can adsorb formaldehyde and other decoration release substances, and also have a good effect on the removal of formaldehyde. However, it should be noted that activated carbon and diatomaceous earth are easy to adsorb saturation, and should be replaced regularly after a period of use, in contrast, Yeguang mud can decompose formaldehyde by itself, and there will be no adsorption saturation, which is more convenient and ideal.
3. Plant removal Broad-leaved plants such as orchids, aloe vera, pothos and so on can absorb formaldehyde and decompose it through their own plant mechanism, so after decoration, properly placing and planting some of these plants in the new home can play a certain role in removing formaldehyde.
4. Chemical removal All kinds of chemical formaldehyde removal potions sold on the market, photocatalysts, etc. Due to the reducibility of formaldehyde, the use of chemical reagents or photocatalysts to participate in the oxidation and decomposition of formaldehyde, this kind of method is used more in engineering construction, requires professional operation, and is easy to cause secondary pollution, ordinary families are recommended to consider carefully.
-
CH2O has carcinogenic effects, but it is easy to oxidize, and the ventilation will disappear quickly, so it must be carefully stored in the laboratory.
-
If you want to release formaldehyde cleanly, it can take a long time, it may take 3 to 15 years, so the natural release is not reliable, at present, it is more reliable to stabilize the concentration of formaldehyde within a safe range, and the following recommends several easy-to-use methods for everyone.
1. Wise Stone.
It can actively adsorb indoor free formaldehyde, the process will not be affected by any external factors such as temperature, humidity, light, etc., the adsorption rate of formaldehyde is also dozens of times that of ordinary adsorption materials, in addition to the unique decomposition function, the adsorbed formaldehyde can be decomposed into harmless carbon dioxide and water, and then discharged, so that its internal pores have been in an unsaturated state, and the aldehyde removal rate can reach more than 90%. When choosing, it is important to note that it is a gray ore with an irregular shape and is not a round particle.
2. Plants.
Plants such as aloe vera, cactus, and pothos have a certain ability to absorb formaldehyde, and can slowly consume the surrounding formaldehyde through photosynthesis. Because it is a plant, it is very safe and does not produce other harmful effects. However, it should be noted that the absorption of formaldehyde by plants is limited and can only be used as one of the comprehensive treatment methods to remove formaldehyde
3. Open windows for ventilation.
If you want to remove formaldehyde and odor as soon as possible, the first thing to do is to open the window for ventilation, open the cabinet doors and drawers at the same time, and dilute and discharge the formaldehyde to the outside through air convection. Although this step is simple, it is also necessary to pay attention to the weather conditions, so as not to break the newly renovated home environment with strong wind and rain.
4. Formaldehyde remover.
Under certain conditions, formaldehyde scavengers react chemically with formaldehyde to produce other substances that are not harmful to health, so as to reduce the concentration of formaldehyde in the room. But it's also a chemical in its own right, and if used incorrectly, it can be another source of pollution indoors.
Fifth, the fresh air system.
The fresh air system is a system that filters the outdoor air and transports it to the room through the pipeline, and discharges the harmful substances contained in the room from the corresponding pipeline.
In order to better reduce the formaldehyde concentration in the home environment, in the process of decorating the new house, try to control the quality of decoration materials and choose materials with relatively low formaldehyde content.
-
If it is just ventilation, it generally takes 7 to 10 years, of course, you can't move in directly, the formaldehyde content of the newly renovated house must be very high, which will cause unimaginable consequences to the human body, we can use some products to speed up the removal of formaldehyde. I have used Dialin before, and the effect is not bad, so I recommend you to use it; After that, some Ye Guangni was also placed in various corners of the room to continue to absorb and decompose, so that the formaldehyde disappeared more completely.
-
There are many ways to remove formaldehyde, but the release life of formaldehyde is very long, and it is difficult to remove it completely in a short time, so how can we remove formaldehyde quickly? Recommend several useful methods to everyone.
1. Open windows for ventilation.
Open the window ventilation is the best way to remove free formaldehyde, when the window is opened, there will be a steady stream of fresh air will dilute the indoor air containing formaldehyde to achieve the purpose of purifying formaldehyde, but the window is easily affected by the weather, and the effect is also affected by the house type when used.
2. Increase the temperature.
We all know that formaldehyde is volatile at high temperature, and we can use some heating equipment to increase the temperature at home a lot, so that a large amount of formaldehyde gas can be volatilized, and then formaldehyde can be removed by opening windows for ventilation. Repeated operation a few times, you can remove most of the formaldehyde in the home, but we must pay attention to safety when using heating equipment to avoid fire.
3. Ruishi. Ruishi is currently a popular aldehyde removal product, it is a pure natural ore, in which it has a large number of rules, and the size of formaldehyde similar pores, its adsorption capacity is more than 20 times that of activated carbon, and at the same time has an ion exchange function, can decompose the adsorbed formaldehyde, so that a purchase is effective for a long time.
4. Plants. Putting some green plants at home can also effectively remove odors, especially pothos, spider plants, aloe vera, monstera, cactus, ivy, etc., which can effectively absorb harmful gases. In addition, large plants such as the Ping An tree and the camphor tree, which are more popular on the market, can release a fresh gas on their own, which makes people feel happy, and is also more suitable for removing the smell of new furniture.
5. Fresh air system.
The fresh air system can introduce fresh air outside and discharge harmful substances from the indoor space through the system's filtration device during the period when the windows cannot be opened, which will reduce the concentration of free organic pollutants in the indoor space to a certain extent and speed up the release of pollutants. Through continuous circulation, the indoor decoration pollution is controlled.
-
In summer, formaldehyde takes at least three or four months to volatilize. The volatilization of formaldehyde is a continuous process, even if it is half a year, this kind of thing cannot be completely volatilized, but the concentration will be reduced to a level acceptable to the human body.
Formaldehyde generally volatilizes faster in summer, and the volatility of formaldehyde increases as the temperature increases. Generally, the volatilization period of formaldehyde is as long as 3-15 years, and there are many ways to remove formaldehyde, such as activated carbon, green plants, etc., but the best way is to open windows for ventilation.
Generally speaking, when buying environmentally friendly furniture and paint, the harm of formaldehyde is much smaller at this time, because the formaldehyde concentration of this furniture is within the acceptable range of the human body.
If the newly renovated house, you can open the window for ventilation for two months, ventilation is indeed the best way to remove formaldehyde, but the volatilization period of formaldehyde is 3-15 years, although ventilation for 2 months can reduce some formaldehyde concentration, but can not effectively remove formaldehyde.
It is also a good way to use orange peel, grapefruit peel is used to remove odors, but the formaldehyde concentration does not decrease, it just does not smell.
In addition, you can store some pothos at home, etc., which can make the smell of formaldehyde more easily dissipated.
-
1.As long as the window is opened, there will be a steady stream of air pouring into the room, and the indoor air containing formaldehyde will be discharged to the outdoors, but due to weather reasons, the window will remove aldehyde when it is windy and rainy, so the window ventilation must be optimistic about the weather forecast!
4.Choose plants that can adsorb formaldehyde, pothos, aloe vera, spider plant and other plants can adsorb a certain amount of formaldehyde pollution, and can indeed remove formaldehyde. Placing some greenery in your new home can also help to beautify the room and freshen the air.
However, the adsorption capacity of plants is relatively limited, and if the formaldehyde concentration is too high, the plants will wilt and die.
5.If you want to eliminate formaldehyde in the house as soon as possible, you can put a floor fan at home after the decoration is completed, and open the window for ventilation at the same time, if the outdoor wind allows, the fan can increase the flow speed of indoor and outdoor air, reduce the indoor formaldehyde content, and speed up the release of formaldehyde, it may be the most effective and low-cost way.
6.In the case of high temperature, it can promote the conversion of formaldehyde in the bound state into free formaldehyde and reduce the total content of formaldehyde, because formaldehyde penetrates deep into the board, although formaldehyde cannot be completely removed, but its effect is still very obvious
-
After the decoration, the free formaldehyde in the indoor air, as long as the ventilation is appropriate, will basically dissipate soon, pay special attention to the ventilation here is that the room can have the air in the room, not that as long as there are windows, it is called ventilation.
And why is there a saying that formaldehyde will not dissipate for many years? This is because most of the decoration materials on the market at present, have added a lot of formaldehyde-containing substances, such as the board commonly used in home decoration, a large number of urea-formaldehyde resin is used in manufacturing, and the board is not edge-banded during decoration, resulting in the continuous release of formaldehyde after decoration, especially in the summer when the indoor temperature is high or in the family where floor heating equipment is installed, the formaldehyde release is huge.
Indoor formaldehyde content can not be completely reduced to zero, because formaldehyde is a very common gaseous substance in nature, as long as the formaldehyde content is within the range of national regulations, it will not cause much harm to our body, want to know whether your family formaldehyde exceeds the standard, you can find a professional testing agency in the local area for testing, ordinary home testing is generally within a few hundred, cheap, accurate data, it is not recommended to buy a detector on the e-commerce platform, the data is not accurate and there is no guarantee.
-
Formaldehyde is a chemical that is toxic.
-
Formaldehyde is mainly used in the flooring, wallpaper, furniture, and other places used in the decoration of new houses. Formaldehyde has been among the best in the ranking of harmful gases in China, long-term exposure will damage the health of human and machine, in recent years, because of long-term inhalation of formaldehyde with cancer cases are not uncommon, so the removal of aldehyde must be done well, must not be ignored, so how should we effectively control formaldehyde? Here's the answer.
1. Plants are the best products provided by nature to remove formaldehyde, and the more respected ones on the market are: pothos, spider plant, ivy, and aloe vera. These plants are a combination of beauty and talent, both to decorate the home and to purify the air.
2. Open window ventilation is a very simple aldehyde removal method, the purification principle is indoor and outdoor air circulation replacement, which can release free formaldehyde and other harmful gases in indoor air to the outdoors and reduce indoor formaldehyde concentration. The efficiency of its aldehyde removal is directly related to the size of the outdoor wind, and the greater the outdoor wind, the higher the purification efficiency.
3. Activated carbon has the function of adsorbing formaldehyde and other harmful substances, but activated carbon does not have the function of decomposition, so the adsorption capacity is limited, easy to saturate, and needs to be replaced frequently, otherwise it will become a new pollution source to emit harmful substances to the outside, resulting in indoor secondary pollution.
5. Formaldehyde scavenger is to use the principle of chemistry or biology to decompose formaldehyde into harmless carbon dioxide and water or other harmless substances, so as to achieve the purpose of purifying formaldehyde, but there are many manufacturers, and the quality is uneven.
6. The fresh air system can ensure that the home is in a ventilated state 24 hours a day, which can greatly increase the exchange of indoor air and the outside world, although the effect is very good, but the first fresh air system is more expensive, and the installation before decoration is a better choice
-
The volatilization time of formaldehyde is very long, and it will not volatilize cleanly in a short time, but generally in about three months, the concentration is reduced, and people can move in.
Decoration materials are generally used in the deep place of man-made panels, and the volatilization of formaldehyde is slow, the fact is not as imagined, after the decoration of the window ventilation for a few months, formaldehyde will dissipate clean. Both research and life experience have shown that after more than ten years, formaldehyde still cannot be volatilized is very common.
After the renovation of the new house, it will be vacant for a period of time, during which the windows will be constantly opened. The length of ventilation time and the quality of ventilation have this inseparable relationship, generally the spring and summer airflow is relatively weak, the need for ventilation time is long, and the autumn and winter solar terms are more vigorous, the ventilation time will be greatly shortened.
Dude: I haven't bought it, so don't buy it easily.
The release life of formaldehyde has a great relationship with the quality of decoration materials, the release life of formaldehyde of inferior decoration materials can be as long as decades, so the removal of formaldehyde can not be completed overnight. >>>More
The retention period is 1-45 days.
The domain name can be automatically renewed for payment within 30 days after expiration, and the paid redemption period is 30-60 days after expiration. The number of days varies depending on the domain name category. >>>More
Ask the monkey his son. Wish.
Who is the oldest plant birthday in the world? According to research, redwoods, baobabs, and Australian eucalyptus trees can live for many years, while the giant sequoia, the "Lord of the World", has lived for many years, but these are not the oldest of the plants. When the famous geographer Humboldt was on an expedition to the island of Orta in Africa, he found a plant that was already up to a year old. >>>More