One thing we need to know about formaldehyde. Decoration materials contain formaldehyde, when the concentration of formaldehyde in the air is greater than 0.08, its volatilization period is as long as 10-15 years. After 0.8mg/m, it will do harm to our health. The purpose of controlling formaldehyde indoors is to protect our health, not just eliminate a small amount of formaldehyde. We want results, not abilities. The result we want is that formaldehyde in indoor air must be kept within a safe range. The lower the better!
Formaldehyde decoration of new houses, just psychological comfort? I think the most effective way is this!
1. Green planting methods, representing green plants, etc.
This method is the most common, the emergence of this sentence stimulated the sale of green plants. A new family user said that there were fewer than three or five flowerpots, and there were several green plants to be moved in the family. It could be said that business was booming. Can green radish absorb formaldehyde? Certainly, some plants do have the ability to absorb formaldehyde, but this ability is too small to have any effect. If you detect 0.1 indoor formaldehyde, you will move to 20 pots of green plants. The next day, you will test again and formaldehyde will still exceed the standard. If you don't consider temperature and other factors, your test results may not change at all. Many people say they bought some green plants in their new house. No problem for two months. I really don't know whether I am happy for you or sorry for you. Do you have any expectations for happiness? Formaldehyde concentration above 0.08mg/m is harmful to human body. It's not higher than this, and it causes vomiting and diarrhea immediately. It will only do harm to our health. It's a slow process. Everyone has different immunity. The results are different.
2. Covering means orange peel and grapefruit peel.
This method is also common. When I am in a small house, my family has finished, I will understand later. It's absurd to look for it after the air is purified. Our new house has some pungent smells. It has the odor of formaldehyde or VOTC. Many people put forward grapefruit peel, orange peel, tea heel, vinegar and so on. Anyway, it's characterized by its own odor. Then, after using it, I can no longer smell the original pungent smell.
3. Adsorption method, represented by activated carbon
Activated carbon has strong adsorption capacity and is often used in air purification and water purification industries. This method is much more efficient than other methods. If it is a quantitative odor or formaldehyde in the environment, activated carbon has a good effect. Volatility increases with time. With the increase of temperature, the volatilization rate of formaldehyde doubled. The adsorption capacity of activated carbon is limited. Adsorption saturation, will not continue to adsorb, so can be used, but the effect is general, so in actual use, it is recommended to take the necessary measures according to the test data!
4. Chemical method, indicating photocatalyst
For chemical reaction to deal with formaldehyde, I am not a researcher who does not do specific analysis. According to the expert Professor of air purification theory, chemical reaction will produce another thing. Secondary pollution may occur under changing environmental conditions. Any chemical treatment of formaldehyde has been volatilized into the air formaldehyde, which is ineffective for the subsequent volatilization of formaldehyde. This will be a relief and shortage.
5. Ventilation represents natural ventilation
This is the simplest way to control formaldehyde, that is, to keep indoor ventilation all the time. Ventilation is a very healthy method. Ventilation, all diseases disappeared. Many people do not understand the ventilation of windows to purify formaldehyde. Ventilation is to disperse indoor formaldehyde into the atmosphere without treatment. The purpose of our indoor formaldehyde treatment is to reduce the concentration of formaldehyde in indoor air, meet or below safety standards, and protect human health. Of course, this is not the case in industry, otherwise it will violate the rules. Indoor formaldehyde and VOTC always exist in well ventilated environment, but if adequate ventilation, formaldehyde concentration will not exceed safety standards. This should be understood.
Therefore, when there is no ventilation equipment or effective ventilation equipment in the room, in this case, we should use fresh air system to achieve the purpose of passive ventilation. At present, airports, commercial supermarkets, stations and almost all public places are equipped with ventilation system, on the one hand, to ensure the concentration of oxygen in the air, on the other hand, to reduce decoration pollution. Concentration. At home, the fresh air system at home is also concerned about our health. This not only can effectively control formaldehyde, but also can control PM2.5 and so on. At present, many kindergartens, government agencies and families have chosen family fresh air to see the effect of this passive ventilation.
When dealing with formaldehyde in new rooms, it is suggested to adopt safe, long-term and efficient ventilation mode. Choosing the right approach does not mean achieving the goal. We must always pay attention to the changes of indoor air, time detection under different environments and temperatures to ensure that the concentration of pollutants in the air does not exceed the safe concentration. Don't forget the original heart!
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