Solution:
1, after renovation, it is necessary to open the window frequently for ventilation: it should be noted that window ventilation can be used as an auxiliary means to remove formaldehyde;
2. Planting green plants to absorb: Green plants can absorb a small amount of formaldehyde, which will play a certain absorption role in the process of formaldehyde volatilization. Therefore, planting green plants and window ventilation are usually used at the same time as a joint auxiliary means;
3. Placement of activated carbon: The adsorption material made of microporous technology is used to adsorb chemical pollutants, which has a good effect on formaldehyde and ammonia. However, it should be noted that formaldehyde volatilizes slowly, and activated carbon can only absorb a small part of the air that volatilizes in contact with activated carbon. It is easy to saturate in the short term, so the activated carbon used at home should be replaced frequently;
4. Nano-photocatalysis technology: formaldehyde is decomposed by nano-photocatalysis, which fundamentally eliminates the indoor formaldehyde content exceeding the standard.