Is formaldehyde high in the ventilated room, and how to ventilate the room if the formaldehyde excee

It is better to open windows in summer than in winter, and it is better to open windows during the day than at night (because the higher the temperature, the greater the humidity, the faster the formaldehyde will escape. It is recommended to remove formaldehyde in combination with other methods as follows:

1. Maintain frequent ventilation and increase ventilation time. The concentration of formaldehyde in indoor air can be quickly reduced through indoor and outdoor air exchange, but the cycle is long and the efficiency is low.

2. Use some herbal formaldehyde scavengers that can decompose the source of pollution, and use them to decompose pollutants.

3. Place some activated carbon and leaf mud in some furniture and other objects with large formaldehyde emissions. (During the use of activated carbon for a period of time, the adsorbed formaldehyde will be saturated, and it needs to be exposed to the sun before use, and the leaf wide mud material will not be saturated).

Not necessarily, generally speaking, the newly renovated house should be ventilated for at least 2-3 months, and if the test is up to standard, you can move in, otherwise you can try the following methods to remove formaldehyde:

1. Use a fumigator to raise the temperature so that formaldehyde is released, and the release is reduced.

2. The ventilation temperature is high, and the formaldehyde is ventilated when it is released quickly, and some plants can also be put in it.

3. Cabinets and furniture use some leaf wide mud, activated carbon materials, compared with activated carbon, leaf wide mud will not be adsorbed and saturated, and the special structure and composition of it can decompose the formaldehyde adsorbed in it, which can be used for a long time.

4. The smell is mainly the smell of paint, and wipe it with salt water.

5. Herbal formaldehyde scavenger decomposition, through a variety of herbaceous plants extracted from the plant liquid, decomposition of formaldehyde.

Some people say that there is formaldehyde on ventilation, although ventilation is conducive to the release of formaldehyde, but ventilation alone can not remove indoor formaldehyde, and the temperature and humidity are different, ventilation is also particular, such as in winter, try not to open the window at night, will destroy the furniture.

If you want to use ventilation to remove formaldehyde, you should do it after the formaldehyde release reaches saturation, such as adjusting the temperature and humidity of the room upwards, and sealing the room, when the formaldehyde release reaches a certain level, and then ventilation, you can achieve a good aldehyde removal effect.

You can also buy a few fans during the day, and the fan with a larger area blows the air indoors, so that the indoor air forms a convection, which can achieve a good effect on the removal of formaldehyde.

Finally, I would like to remind everyone that it is best to use some environmentally friendly materials when decorating, and the interior decoration should be streamlined, and there should not be too many decorations, so as not to cause excessive formaldehyde and affect health.

Opening windows for ventilation can make indoor air circulate better, thereby reducing the concentration of toxic gases in the room. But opening windows for ventilation does not solve this problem at the source. In a poorly ventilated room, the formaldehyde concentration still does not decrease.

In the case of bad weather, it is useless to open the windows for ventilation. And now the outdoor air pollution is also more serious, the outdoor is also relatively high, and the ventilation of the window can achieve the desired effect. The window cannot be opened at any time, so the ventilation of the window cannot solve all the problems in the room.

Ventilation can only disperse free formaldehyde, but the formaldehyde in the furniture will be continuously released, and the formaldehyde concentration will increase after you close the doors and windows, and the release cycle of formaldehyde is as long as 15 years, so ventilation alone is not enough.

Frequent ventilation is still beneficial, and it is also a more practical way to remove formaldehyde. If the formaldehyde is seriously exceeded, it is better to find a professional to deal with it.

It is best to ventilate for more than half a year, formaldehyde is colorless and odorless, if it is only a short ventilation, formaldehyde has not been completely dispersed, it is easy to formaldehyde poisoning, which is very harmful to the body.

After the decoration of the new house, the floor, wallpaper, and wardrobe will release formaldehyde, especially the inferior decoration materials, the release of formaldehyde will last for more than ten years, so how should we deal with formaldehyde? Here are a few ways to do it.

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. Wind fan.

We all know that the easiest way to remove formaldehyde is to ventilate, the room ventilation is not in a good state of the family, through the fan to accelerate the indoor and outdoor air flow, accelerate the discharge of formaldehyde-containing air, can effectively reduce the indoor pollutant concentration, but it can only treat the symptoms but not the root cause, and this method may not be very practical in the season when you need to keep warm.

3. Plants.

The use of green plants to purify formaldehyde is a very promising way to remove formaldehyde, plants will adsorb a part of formaldehyde during photosynthesis, but the absorption is extremely small, and it is recommended as an auxiliary method when removing formaldehyde.

Fourth, high 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.

5. Photocatalysts.

The main principle of photocatalyst is that the spray will adhere to the surface of the object to form a strong film, on the one hand, it will slow down the release of formaldehyde, on the other hand, it will contact with the film during the release process, and oxidize formaldehyde by using the photocatalytic performance of the photocatalyst. However, in daily life, the film may oxidize and wear, and the effect will be halved.

To sum up, as long as you choose the right method, it is not difficult to remove formaldehyde, but it is not possible to use a single method, we can use several methods to carry out it.

The method of adsorbing formaldehyde has a certain effect, but after 1 month the activated carbon is saturated, the adsorption effect will disappear, and the activated carbon will emit a part of the harmful gases that have been adsorbed after the adsorption is saturated, and it needs to be replaced regularly.

3. Green plant purification: spider plant, tiger tail orchid, pothos and other plants can purify the air through photosynthesis, and also purify some formaldehyde gas. However, the adsorption capacity of plants is limited, and photosynthesis has no effect at night.

4. Air purifier: The air purifier can remove a certain amount of formaldehyde within a certain period of time, but formaldehyde exists in decoration materials and is continuously released, so this method treats the symptoms but not the root cause.

5. Install MIA fresh air system: the fresh air system sends the outdoor fresh air to the room through the fresh air supply device after filtering it through the fresh fan, the outside air has high oxygen content, but there are also many harmful gases and germs, and the filtration system of the fresh air fan can effectively intercept these harmful gases, which not only ensures that the indoor oxygen is sufficient, but also ensures the cleanliness and safety of the indoor air.

House ventilation can remove formaldehyde. In general, ventilation is also the most efficient and economical way to eliminate formaldehyde and other decoration pollution. When the window is opened, there will be a steady stream of fresh air to dilute the indoor air containing formaldehyde to achieve the purpose of purifying formaldehyde.

And in a well-ventilated house, the air change greatly exceeds the air change of the fresh air system. However, the window is easily affected by the weather, and the effect when used is also affected by the type of house.

How to remove formaldehyde in a new house 1, we can choose some environmentally friendly materials when choosing wall paint, such as diatom mud biological enzymes, these are materials that can absorb formaldehyde.

2. In addition, we have to ventilate the home for a long time, we must open the window for 10 minutes every day, if it can be longer, it would be better.

3. We can put some activated carbon packs at home, in fact, activated carbon packs are very cheap, and its adsorption capacity is very good, many people will use activated carbon packs to absorb formaldehyde, and some people even purchase several boxes at home.

4. Photocatalyst can be used, photocatalyst is an item that can decompose formaldehyde, and it has been proved through many experiments that photocatalyst can decompose formaldehyde. However, the photocatalyst can decompose formaldehyde under sunlight or ultraviolet radiation, and if the light at home is not very good, then it is not recommended to use this method.

5. We can put some green plants at home, which must be leafy green plants, which can help us dilute formaldehyde. You will see that many people will put some green plants in the house that Ganghuai has quietly renovated, and these are better methods.

6. You can buy some air purifiers, and the effect of removing formaldehyde is also very good when placed indoors.

What are the hazards of formaldehyde in decoration 1. Respiratory disorders. Formaldehyde is harmful to a person's upper and lower respiratory tract, and if inhaled too much, the throat can be painful and the nose and throat can be burned. Common symptoms include cough, phlegm, and shortness of breath.

2. Visual impairment. Eyes are sensitive to formaldehyde, which can cause burning, itching, tearing, and redness.

3. Allergies. Direct exposure to formaldehyde can cause allergies, such as rashes and hives, and excessive exposure to formaldehyde can also cause allergic contact dermatitis.

4. Intestinal damage. Ingestion of formaldehyde can cause serious damage to the stomach, causing nausea, vomiting, and abdominal pain in a person. It can also cause damage to organs such as the kidneys, liver, pancreas, and spleen.

5. Carcinogenic. Long-term living in an environment with high concentrations of formaldehyde can induce the onset of formaldehyde and lead to mutations, which can lead to cancer.

The production of formaldehyde depends on the materials you decorate. Some can continue to produce harmful gases for several years, and there is nothing wrong with maintaining regular ventilation. The longer the better.

It's not that the longer the ventilation time, the higher the aldehyde removal effect we get. In addition, even though ventilation can ensure the highest aldehyde removal rate, it takes a lot of time to be affected by the formaldehyde volatilization cycle. Therefore, it is best for us to use several scientific methods to remove aldehydes with ventilation.

Based on the formaldehyde characteristics, if the outdoor temperature is higher than 19 degrees Celsius, it is best to open the window directly at 20 degrees Celsius to pass the simple fiber wind; On the contrary, it is necessary to pay attention to the fact that you can't just open the window for ventilation regardless of the source, because if the outdoor temperature is lower than 19 degrees Celsius, opening the window will lower the indoor temperature, and if the indoor temperature is also lower than 19 degrees Celsius, the formaldehyde will stop being released, and the effect of removing formaldehyde will not be effective. In this case, the room temperature can be increased to more than 20 degrees through air conditioning and other methods to promote formaldehyde volatilization for a period of time, generally not less than 2 hours, and then open the window for ventilation for more than half an hour. After that, it can be closed and heated, ventilated, and circulated in turn, which can accelerate the volatilization of formaldehyde release.

Of course, the formaldehyde volatilization time in the room is very long, it is best to ventilate frequently, and the higher the temperature, the faster the formaldehyde volatilizes. But sometimes there will be inconvenience to open the window for a long time, in order to avoid the situation of the family, you can install a set of fresh air system, it can be realized without opening the window, 24 hours for indoor ventilation, it changes in the air is clean, fresh, and there is no need to worry about dust.