Formaldehyde is a threat that will be present after the renovation of a new home, but it can cause dizziness, allergies, and other adverse reactions. It can affect hematopoietic function and even cause death. How to reduce indoor formaldehyde content and prevent occupants from being harmed? The most important thing is to choose safety and environmental protection decoration materials.
I. Hazard of formaldehyde over standard
According to the Hygienic Standard for Formaldehyde in Indoor Air, the maximum allowable concentration of formaldehyde in indoor air is 0.08 mg/m3. When the formaldehyde content reached 0.3 mg/m3, a noticeable odor and discomfort was felt. At 0.5 mg/m3, the eyes felt tingling and tearing, and 0.6 mg/m3 caused throat discomfort or pain, exceeding 0.6 mg/ml. M3 prone to nausea, vomiting, coughing, chest tightness, panting, and even emphysema symptoms.
The harm of formaldehyde is not caused by a moment, but also accumulated for a long time. As long as there is formaldehyde in the room, each time inhaling trace amounts of formaldehyde, the accumulation of less may also cause chronic poisoning, began to appear allergies, skin irritation, nail keratinization and other diseases, easy to insomnia, headache, heart palpitations, fatigue and so on.
Second, formaldehyde harm to children
The molecular weight of formaldehyde is greater than that of air, so the formaldehyde mainly floats in the range of about one meter from the ground. This range is the breathing zone of children, so the chance and quantity of formaldehyde inhalation in children is far greater than that of adults. As the child is in the development stage, the metabolism is fast and active, the formaldehyde inhaled will be more, and because the child's resistance is weak, the damage will be greater.
When the baby is in the mother's body, long-term inhalation of formaldehyde by the pregnant woman can easily lead to fetal malformation and even death. The long-term inhalation of formaldehyde in infants and children can easily affect hematopoietic function and may lead to leukemia.
Third, how to remove indoor formaldehyde
In addition to hiring professionals for indoor formaldehyde treatment, they can also use small objects to carry out small-scale formaldehyde removal.
1. Adsorption of activated carbon: There are many pores inside activated carbon, which can adsorb some harmful substances. The smaller the pores, the less obvious the adsorption effect is. Formaldehyde molecules that are constantly moving in the air encounter the pores in the activated carbon during the migration process and cannot be adsorbed through the pores. However, the adsorption capacity of activated carbon is limited, and activated carbon must be replaced after some time.
2. Photocatalyst products: No products at the tube site are used for the photocatalytic reaction similar to photosynthesis, resulting in free hydroxyl groups and reactive oxygen species, which have strong photo-oxidation and reduction functions, and can oxidize and decompose various organic compounds and some inorganic substances. The organic pollutants are decomposed into non-polluting water (H2O), carbon dioxide (CO2) and other non-hazardous substances, and thus have strong functions of sterilizing, deodorizing, mildewproofing, self-pollution, and air purification. However, ultraviolet light is required to excite, and the effect of insufficient light conditions is not obvious.
3, environmental protection products: At present, there are a variety of anti-formaldehyde, zero-formaldehyde products on the market, and the publicity of gimmicks must rely on product quality. Floors, paints, furniture and other products will release different levels of formaldehyde. Some of the paint products that use new technologies not only have no added, but can also adsorb formaldehyde in the room after use to achieve the purpose of purifying the air. Therefore, it is very important to choose environmentally friendly building materials.
Edit Comment: The new house decoration, you want to completely remove formaldehyde is a long process, in addition to the removal of formaldehyde after the decoration, more important thing is to choose good environmental protection materials, reduce damage from the source, take preventive measures.
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