Sources of indoor pollution indoor air pollution t

2022-07-22
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Now living standards have improved, and indoor environmental pollution has increased. The sources of indoor pollution mainly include the use of consumer goods and cosmetics, building and decorative materials and personal activities, such as chemical building materials and decorative materials containing volatile toxic substances such as formaldehyde, benzene and toluene. Let's briefly introduce the sources of indoor pollution and the treatment methods of indoor air pollution

now living standards have improved, and indoor environmental pollution has also increased. The sources of indoor pollution mainly include the use of consumer goods and cosmetics, building and decorative materials and personal activities, such as chemical building materials and decorative materials containing volatile toxic substances such as formaldehyde, benzene and toluene. Let's briefly introduce the sources of indoor pollution and the treatment methods of indoor air pollution

· Sources of indoor pollution

1. Formaldehyde emission from decorative materials, such as wood-based panels, carpets, coatings containing adhesives and paints

2. Formaldehyde emission in furniture with wood-based panel as the main raw material and adhesives used in furniture veneer pasting

3. Formaldehyde emission from thermal insulation foam (uffi) made of urea formaldehyde resin in building materials

4. Formaldehyde produced by incomplete combustion of LPG and other fuels

5. Formaldehyde contained in daily necessities, such as cosmetics, fresheners and disinfectants is released. The most important one is the formaldehyde emission from interior decoration materials

· Characteristics of indoor air pollution

1. High emission frequency and long cycle of indoor environmental pollutants

2. The long exposure time of human body to indoor environmental pollutants has a great cumulative impact

3. The concentration of indoor environmental pollutants is higher than outdoor, and the degree of damage is also higher than outdoor; A five-year special survey in the United States found that the indoor air pollution level of many civil and commercial buildings is 2-5 times higher than that of outdoor buildings, and some even exceed 100 times. In 1994, the relevant departments of our country found in an investigation that the degree of indoor air pollution in cities is more serious than that outside, some of which are 56 times more than that outside, and the degree of damage is also more serious than that outside

4. Indoor environmental pollutants come from a wide variety of sources; Indoor pollutants come from the pollution of buildings, indoor decoration materials and furniture materials, household appliances and office appliances, kitchens, toilets and bathrooms, and people themselves are also a big source of pollution. The types of pollutants are physical, chemical, biological and radioactive

5. Indoor environmental pollution does great harm to human health and causes heavy economic losses; Health Organization of Canada survey shows that 68% of the diseases are caused by indoor pollution

· Indoor air pollution treatment measures

1. Control pollution sources. Controlling pollution sources is recognized as the most effective way to reduce pollution. There are nearly 20 kinds of harmful substances and gases in artificial stone, marble, ceramic tiles, paint and other decorative materials, most of which are carcinogens. Therefore, the choice of decoration materials should be cautious in the decoration. It is necessary to choose non-toxic or low toxic decoration materials produced by national authoritative departments or famous national inspection free products and regular manufacturers. It is strictly prohibited to use unqualified materials with toxic substances exceeding the standard

2. Strengthen indoor ventilation. Use outdoor fresh air to dilute indoor air pollutants, and use air convection to reduce the concentration and improve indoor air quality

3. Indoor air purification. Select a professional environmental protection company for indoor air purification

the relevant information about the sources of indoor pollution is introduced here. I hope this article is helpful to you. If there is anything else you don't understand, you can follow us and we will answer it for you as soon as possible. Sources of indoor pollution

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