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Some online posts on “cleaning up†air pollution in new homes, and some disinfection methods and adsorption methods that allegedly reduce ventilation time are really effective in eliminating indoor air pollution caused by interior decoration? Are some of the formaldehyde products sold on the market credible? Experts said that many methods on the Internet are "self-consolation." To reduce indoor harmful gases, scientific ventilation is the most effective.
1 Su water disinfection
Expert evaluation is invalid for renovation pollution
The reporter noticed that on some mainstream websites, there are many posts that teach people to manage air pollution and achieve early check-in.
Among them, since cement, lime, paint, and paint contain many toxic substances that are harmful to human health, they must first be disinfected before entering new homes. How to disinfect it? The post said: "If the wall has been decorated, it can be sprayed with 3% aqueous solution of Susu or 3% peroxyacetic acid solution. The ground spraying should be uniform and the spraying height of the wall should be more than 2 meters. After spraying, the new home windows and doors need to be closed. More than one hour. In addition, you can also use vinegar to fumigate the room." This disinfection is effective to eliminate indoor decoration pollution?
"This is not the same concept at all." Song Guangsheng, director of the National Indoor Environment and Indoor Environmental Protection Product Quality Supervision and Inspection Center, said that the aqueous solution or peracetic acid solution only removes airborne biological contamination such as germs, germs, and bacteria. The “Benzene, Formaldehyde, Volatile Substancesâ€, etc. produced by the decoration are chemically harmful substances, which are completely different from the bacteria eliminated by disinfection. As for the use of vinegar to fumigate rooms, it also means that if there is a patient at home, the epidemic of influenza is infectious, or the method of sterilizing and using the method of renting a house can be used, but it also has nothing to do with the elimination of decoration pollution. Not only that, Song Guangsheng also pointed out that because the new house has just been renovated, spraying sulphur or peracetic acid on a large area of ​​the wall may also cause corrosion on the surfaces of walls, walls, furniture, etc., and the owner must be cautious when using it. .
2 use of formaldehyde products
Experts comment on the mixed choices
Decoration deodorant, in addition to formaldehyde products ... ... this kind of pollution control products on the market can be seen everywhere, many consumers will question its effectiveness. For this issue, experts said that for indoor air purification products, the National Indoor Environment and Indoor Environmental Protection Product Quality Supervision and Inspection Center has launched a special industry standard—“Method for Determination of Purification Effect of Indoor Air Purification Productsâ€. Products tested by this standard are generally effective and can reduce pollution. Products conforming to this standard are usually marked on the product description or on the packaging. Consumers can pay attention when viewing the product.
For some products popular on the market, Song Guangsheng made some explanations: Activated carbon, bamboo charcoal and other products have the effect of passive adsorption of formaldehyde, and can effectively absorb formaldehyde and other harmful substances in the air in confined spaces such as cabinets, drawers, and wardrobes. The greater the dose, the more obvious the effect; some formaldehyde eliminator can be used in conjunction with the decoration process.
Experts remind us that some people should be cautious in selecting products that will be used after the renovation. "Basically it can't solve the problem." Song Guangsheng said that some products have an oxidizing component, and after finishing the decoration, they will react with certain materials to cause oxidation, such as causing metal jewelry to rust. Some products have a pungent taste and may be detrimental to human health. Some of the products are completely covered by smell to decorate the odor, so that the owners mistakenly believe that they can absorb odor, play a deceptive role.
Experts said that if the house is heavily polluted, it is recommended that professional companies with professional environmental pollution control qualification certificates be invited to govern themselves, and that the products they buy will not achieve the desired results.
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