We all know that formaldehyde poses a great harm to the human body. The newly renovated house contains a lot of formaldehyde and it takes a long period of ventilation before it can stay. Prolonged inhalation of formaldehyde may cause dizziness and nausea, and can easily lead to a series of lung diseases. Severe cases of infertility and cancer may also occur. So what is the national standard for formaldehyde ? What are the methods for removing formaldehyde? The following is just a brief look at it with Xiaobian.
First, the national standard content of formaldehyde is how much
Formaldehyde is a famous indoor killer. In China, more than two million people each year suffer from various diseases due to formaldehyde, which is the most harmful gas to the human body. So what is the national standard for formaldehyde ?
1. The national table content of formaldehyde in Class I civil buildings where we live in houses, hospitals, kindergartens, and classrooms cannot exceed 0.08 mg per cubic meter.
2. The national standard content of formaldehyde in Class II residential buildings such as office buildings, hotels, bookstores, and gymnasiums cannot exceed 0.1 mg per cubic meter.
Second, what are the methods to remove formaldehyde?
1, green plants to formaldehyde
Now people's living standards are getting higher and higher, and many people will put a variety of green plants in their homes. Putting these plants not only can purify the air, but also have a beautiful appearance. Generally, when we just stayed in, we would put more in order to better remove formaldehyde. Commonly used green plants that remove formaldehyde include spider plants, green radish, tiger-tailed orchids, and aloe vera.
2, activated carbon to formaldehyde
Activated carbon to remove formaldehyde is used in a relatively small range. If you rely on this method to remove formaldehyde, you need to put a large amount of activated carbon in the room. Although activated carbon is cheap, it needs to be replaced on a regular basis. If you use a large amount, it will be very troublesome to sort out. . In general, we will place activated carbon in some cabinets and where it is less likely to pass.
3, ventilation to formaldehyde
Ventilation to formaldehyde is a more effective way, and it is also the most commonly used method. When we ventilate, we should open the furniture cabinets and the windows in the room. In this way, we must pay attention to closing the doors and windows in time when it is raining to prevent the rain from wetting the furniture.
4, photocatalyst to formaldehyde
Photocatalysts break down formaldehyde into the water and carbon dioxide we need. This is safer but the price is high. Although many companies provide this service, there are still relatively few people using it.
5, chemical methods to formaldehyde
This way is the use of chemical substances to eliminate formaldehyde, this way is not environmentally friendly, easy to cause secondary pollution, and the products on the market uneven, it is likely to damage the furniture.
6, black tea to formaldehyde
The way that black tea goes to formaldehyde is to make a large pot of black tea in the room, and then open all the windows and doors. This method can effectively remove the pungent smell of the room in only two days.
Editor's summary: The above is the content of formaldehyde national standards for Xiaobian to share for you? And what are the relevant methods of removing formaldehyde, I hope to help you. If you want to learn more about decoration, you can follow this site.
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