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Air cleaning: indoor decoration pollution

Source: admin posted: 2015-5-27

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With the progressive realization of a well-off life, people's quality of living environment also have higher requirements, home decoration has become fashionable. But people tend to ignore the renovated indoor environment health and safety impacts. Here are two of the more common contaminants: formaldehyde and radon gas. In ceiling, wall veneer home using plastic materials and plastic furniture usually contain formaldehyde, besides has strong adhesive properties, it also has the hardness of the reinforcing plates and anti-insect, anti-corrosion features. Formaldehyde is a colourless, soluble irritant gas indoors and when content is 0.1 mg/m³ with odor and discomfort; 0.5 mg/cubic metres can be irritating to the eyes causing watery eyes; causing throat discomfort or pain O.6 mg/m; high concentrations can cause nausea, vomiting, coughing, chest tightness, wheezing or even emphysema; 30 mg/m³ may immediately lead to death. Long-term exposure to low doses of formaldehyde can also cause chronic respiratory disease syndrome, menstrual disorders, pregnancy, neonatal body mass reduction, chromosome abnormalities and even cause nasopharyngeal cancer. Control of indoor formaldehyde pollution and effective way is to enhance the indoor ventilation, regularly opens the window ventilation, formaldehyde levels will rapidly decrease. Radon Lake is the main source of radioactive materials, such as granite, cement and plaster, especially granite containing trace amounts of uranium, and release the gas. When the concentration of radon in indoor air containing radon concentrations below the building structures, buildings spread in indoor air radon radon gas and radon ion, emit harmful radiation. Starting from the energy conservation of modern architecture, the building closed higher, reduced indoor and outdoor ventilation and indoor radon concentration and accumulation. High doses of radon gas can be human-induced lung cancer, leukemia, skin cancer and other respiratory diseases. It was reported that some scientists have concluded that radon second only to smoking, as induced by the second-leading cause of lung cancer. To prevent the harm of radon gas, bedroom should minimize the use of granite for decoration materials, lived new houses must open doors and Windows, and allow the air to circulate.

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