Ventilation method:
Effect: this method is the best and most effective in the early stage after renovation, because everyone knows that the pollution is released the most just after renovation. The effect of deodorant is not much better at this time. The best way is to open the window for ventilation. It is suggested to turn on the electric fan to speed up indoor and outdoor air communication.
Duration: It is recommended to use this method for a long time and cooperate with other methods to achieve the best effect.
Whether there is secondary pollution: none;
Principle: Needless to say, release harmful substances into the air to reduce indoor pollution concentration;
Cost-effective ratio: haha, it costs nothing, but at most, it costs a little electricity from the electric fan.
Note: summer of beijing has sauna days, so you'd better turn on the fan, otherwise the effect will be bad. It is not easy to open windows in winter in Beijing. It is recommended that friends who have finished decorating in winter stay later or after comprehensive indoor treatment.
Construction method: simple and self-built.
Flower and tree method:
Usage effect: Generally, only some harmful substances can be adsorbed, but better than nothing. Smelly plants can only cover up the smell of harmful gases. Don't mistakenly think that the harmful gases polluted by decoration will be gone!
Duration: It can be used for a long time.
Whether there is secondary pollution: none;
Principle: Flowers and trees can absorb some harmful gases.
Cost-effective: good, ornamental.
Note: don't buy it just to smell it. If you think you can absorb all the harmful gases by buying some flowers and plants, you are all wet. It is suggested to give priority to viewing, supplemented by smelling. After all, they are for viewing. If you want to use them to eliminate pollution in home decoration, you are all wet.
Construction method: simple and self-built.
Chemical methods:
Effect: Generally, it is only effective for formaldehyde, but less effective for other harmful gases. The effect is good, but not as good as expected. For example, the original pollution is 10 times, which can be reduced to about 3 ~ 5 times after use. Specific indicators depend on the characteristics of each brand.
Duration: 3 ~ 7 days. After that, the pollution level will gradually increase and it needs to be used continuously.
Whether there is secondary pollution: Generally, there will be no secondary pollution.
Principle: Various products have different principles.
Note: Generally, it was sprayed on furniture or air at that time, and it did have an effect at that time, but it slowly recovered after 3 ~ 7 days, so it is necessary to spray continuously, and generally the effect of removing free formaldehyde is the best. For the removal of formaldehyde in the board, it is necessary to consult the use method first.
Construction method: It's relatively easy to construct by yourself, but after putting things in the furniture, the construction will be very troublesome.
Biological law:
Application effect: Good, it can decompose many harmful substances.
Duration: continuous use is required.
Whether there is secondary pollution: I don't know, so users need to check for themselves.
Principle: each has its own principle. It is said that biological enzymes feed on harmful substances, and molds will automatically decompose and die after eating them.
Note: generally sprayed on furniture or in the air, the effect was really good at that time, but it began to recover slowly in a few days, so it must be sprayed continuously. Generally, it has the best effect on removing formaldehyde in the air, but the effect on formaldehyde in the board is poor. In addition, we should also pay attention to whether the product will lead to discoloration of furniture. , and it is best to consult clearly before buying.
Construction method: simple, you can build it yourself, but it will be very troublesome to put things into furniture.