Several countermeasures to indoor decoration pollu

2022-07-22
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Paint contains a large number of benzene series chemicals, and benzene is a strong carcinogen, which will also inhibit the hematopoietic function of human body and reduce red blood cells, white blood cells and platelets. Toluene and xylene mainly affect the central nervous system and stimulate the respiratory tract and skin

Donghua art lacquer bailuijia curtain home Museum

ammonia is hidden in the bathroom

fresh air fan can be used to remove ammonia

case 1, Mr. Wang, shuiduizi community, Beijing: after two months of decoration of the new house, there is always a pungent smell in the bathroom. At first, he thought it was the smell of the toilet. Later, with the heating, the taste became stronger. After testing, it was found that the ammonia concentration in the toilet was very high

expert comments: this may be because the decoration workers added concrete antifreeze containing urea into the cement to ensure normal work under low temperature in winter. It contains a large amount of ammonia. With the change of temperature and humidity and other environmental factors, it is reduced to ammonia and slowly released from the wall. In addition, ammonia in indoor air may also come from furniture. When choosing furniture, consumers should first smell whether there is a pungent smell. Opening windows for ventilation is still a good way to reduce indoor ammonia pollution

now experts have developed a new air fan, which is a ventilator that can absorb and exhaust air at the same time. It adopts two independent air ducts, one of which sucks fresh outdoor air into the room, and the other exhausts the turbid indoor air, so as to achieve the purpose of changing indoor air quickly, strongly and thoroughly. No matter how well the room is sealed, indoor harmful gases can be removed in time without affecting the indoor temperature and the outdoor weather. At present, the price of fresh air fan is about 700 ~ 1000 yuan, which can be bought in some large home appliance stores

paint contains a lot of benzene

water based paint is suitable for children's rooms

case 2: Mr. Wu, Huangzhuang, Haidian, Beijing: my son is 7 years old and painted his room some time ago. Within one month, the child developed dizziness and headache. He went to the hospital for examination and found that leukocytes and platelets decreased significantly. The doctor diagnosed him as “ Benzene poisoning ”. The indoor environmental testing agency found that the content of benzene and xylene in the house seriously exceeded the standard

expert comments: This is because paint and coating contain a large number of benzene series chemicals, and benzene is a strong carcinogen, which will also inhibit human hematopoietic function and reduce red blood cells, white blood cells and platelets. Toluene and xylene mainly affect the central nervous system and stimulate the respiratory tract and skin

therefore, consumers should choose environmental friendly decoration materials, especially in the rooms where children and the elderly live, paint should be reduced or avoided during decoration, and children's paint or water-based paint can be used in children's rooms

wooden furniture is easy to hide formaldehyde

it is better to put a basin of water than orange peel and pineapple

case 3, Mr. Zhao, Fangzhuang, Beijing: after the decoration of his home, he bought a lot of furniture. A week later, he felt unwell, and his throat began to inflammation with fever. The hospital diagnosed him as gas allergy. The test found that the formaldehyde emission of the purchased wood-based panel furniture obviously exceeded the standard

expert comments: formaldehyde pollution in the indoor environment mainly comes from furniture made of wood-based panels, as well as wood floors and wallpapers. Formaldehyde is a potential carcinogen, which can irritate eyes and respiratory mucosa and cause many diseases

when purchasing furniture, you should recognize the e-level certification. Formaldehyde emission levels E1 and E2 refer to the national formaldehyde emission standards. E1 products can be directly used indoors, while E2 products must be finished before they can be used indoors

some people think that putting orange peel and pineapple at home can effectively remove formaldehyde. In fact, it just covers up the odor. It's better to put a basin of water, because formaldehyde dissolves in water. The specific method is to put a basin of water in front of the furniture within two weeks from the day the furniture is bought back. The water can be changed once every two days, and the effect will be better if you insist on using it

in addition, large leaf plants have good purification effects, such as green pineapple, tiger tailed orchid, evergreen and other foliage plants. They not only have large leaves that are easy to live, but also have strong air purification ability

ceramic tiles and stones release radon

ultra white bricks have the strongest radiation

case 4, Mr. Yao, Dongcheng District, Beijing: I like to be clean. Therefore, the marble floor is laid at home, and the bathroom is also full of white tiles. Later, I saw in the newspaper that tiles, marble, etc. are easy to release radon, which will increase the risk of lung cancer

expert comments: indoor radon pollution mainly comes from natural building stones, such as marble, granite, ceramic tiles, etc

therefore, when selecting ceramic tiles, you must look at the product radioactivity test report. The test result category of a is the best. Among all ceramic tiles, ultra white tiles in polished tiles have the strongest radiation. The emission rate of radioactive element radon on the surface of colored glazed tiles is higher than that of ordinary tiles. Such tiles with high radiation should be used as little as possible. When decorating, we should use decorative materials reasonably, and it is best not to use ceramic tiles in a large area in the room. Because the density of radon is relatively large, it is generally suspended below one meter from the ground indoors. The lower the height, the greater the concentration of radon. Therefore, children's rooms should not be paved with tiles as much as possible

indoor ventilation should be carried out frequently, which is an effective method to reduce indoor radon concentration. If possible, indoor air purifiers can be equipped

there are three traps in indoor air testing

first, there are many domestic indoor air testing companies at present, but some of them have not been certified by the Bureau of quality supervision. Consumers must pay attention when choosing testing units, and don't be fooled. After the inspection institutions without certification went to the indoor inspection, the inspection results were found on site. The facts proved that most such inspection methods were invalid. The correct air detection is completed in the laboratory, formaldehyde and ammonia are detected by spectrophotometer, TVOC and benzene homologues are detected by gas chromatograph

second, use free detection as bait

use free indoor environmental pollution detection as bait. Some management companies take advantage of the psychology of some consumers who want to carry out indoor environmental testing and are afraid of spending more money, take free indoor environmental testing as a bait, and then carry out indoor environmental pollution control at a high price. What these companies earn is a high treatment fee in the later stage

III. falsely reporting the degree of indoor pollution

there are also some testing institutions that will exaggerate the testing results and falsely report the degree of indoor environmental pollution, so as to make indoor pollution control business. They take non-standard or non-standard rapid detection methods to intimidate consumers with false reports. In fact, formal indoor testing is impossible to get immediately. When choosing testing companies, consumers must pay attention to the institutions that have the testing ability of all 19 parameters of gb/t18883 indoor air quality standard, and have passed the measurement certification examination and obtained the testing qualification. These companies have to carry out equipment calibration every year, which is worthy of trust

how to check the regular indoor air detection

before the detection, the indoor air detection personnel should first close the whole house, close the doors and windows, and try to reduce the flow of indoor air and outdoor air, so as to ensure that the detected air is the actual air in the house, and the whole closure needs to last for 12 hours. After 12 hours, the inspectors need to collect indoor air samples after being closed, and the inspectors should carry special instruments “ Atmospheric sampler ” Enter the enclosed house, fix it in the room to be sampled with a triangular support, start the machine, and conduct air particle screening and sampling. The duration of each sampling is 20 to 30 minutes. According to the demand, collect 3 ~ 5 air samples from each room. After the air sampling is completed, the staff will take it back to the laboratory for air detection. The detection items mainly include five indicators, namely, the content detection of formaldehyde, benzene series, TVOC (abbreviation of total volatile organic compounds), ammonia and radon

once indoor air pollution is detected to exceed the standard, consumers can choose air pollution control companies for air treatment. The management personnel will spray the pollutant remover on the surface or inside of the pollution source through the static pressure air construction machine to remove the pollutants. After all the treatment construction procedures are completed, the indoor rapid sterilization and disinfection machine and air purification machine will be used for sterilization, disinfection and odor removal

small link: detection after 7 days of decoration

indoor air detection should be arranged at least 7 days after the complete completion of decoration and decoration. This is because the maintenance period of paints and coatings is generally 7 days. Within 7 days, the concentration of various pollutants is the highest. After 7 days, it can basically be reduced to a stable state. This is the best time for detection

expert summary: decontamination and smart use of activated carbon

although there are endless methods and equipment to eliminate indoor pollution, the simplest and most fundamental way to control indoor pollution is to open windows for ventilation and use activated carbon. Because activated carbon has strong adsorption. Generally, activated carbon is used in newly decorated rooms at the dosage of 1 bag (50g) per square meter. After using the activated carbon for about 20 days, it can be exposed to the sun for 3 ~ 5 hours, so that the activated carbon can be reactivated and continue to be used. The more important method of decontamination is to often open windows for ventilation

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