The harm and source of ammonia pollution, the method of removing small knowledge and preventing

Sources of ammonia pollution
Expert judgment is mainly from the construction used in concrete admixtures, mainly have two kinds, one is in the winter construction, the concrete wall to add concrete antifreeze, the other one is to improve the speed of solidification of concrete, the use of high alkali concrete expansion agent and early strength agent. The use of concrete admixtures is conducive to improve the strength of concrete and construction speed, the state has strict standards and technical specifications in this regard. Under normal circumstances, no indoor air pollution situation in Beijing area, but in recent years a large number of the use of high alkali concrete expansion agent and concrete antifreeze containing urea, ammonia containing a large amount of these substances in the cement wall, along with the changes of environmental factors such as temperature and humidity and reduced to ammonia slowly released from the wall. Due to the concentration of ammonia in indoor air increased.
In addition, ammonia in indoor air can also come from indoor decoration materials, such as for furniture finishing additives and most used ammonia water, ammonia water has become an essential commodity in building materials market.
Ammonia pollution hazard.
Due to indoor air pollution is not a problem that can be solved, especially for those who have used the unreasonable material decoration house, re decoration is unrealistic, in this case only some of the details of the daily life of the attention to minimize and avoid ammonia pollution in indoor air:
1, ventilation is the most economical way, regardless of whether it was residential, should be ventilated, it is conducive to indoor pollutant emissions on the one hand, on the other hand can be toxic and harmful gases of decoration materials released as soon as possible.
2, keep the indoor environment humidity and temperature, humidity and temperature is too high, the majority of pollutants from decoration materials from the fast, this someone is in a room at the same time when adverse, high humidity is conducive to bacterial reproduction. But no one in the house, such as travel when you can take some measures to improve the humidity.
3, in the use of pesticides, incense deodorant agent and when appropriate, these substances have certain effect on indoor pests and odor, but they also produce some harm to the human body. Especially in the use of wet, the spray like particles can be adsorbed a large number of harmful substances into the body, which is more harmful than the dry.
Spathiphyllum
Whitehand is expert in inhibition of human exhaled gases such as ammonia and acetone. "". At the same time, it can also be benzene, formaldehyde and trichloroethylene in air filter. Its high evaporation rate can prevent dry nasal mucosa, so that the possibility of the prevalence of the disease is greatly reduced.
Light conditions: shade plants, suitable for warm damp environment
Required maintenance: to keep the soil moist and regular fertilization, leaves need to often spray.
Ventilation method
Results: early, after the renovation of this best, very effective, because we all know that the decoration just after the release of the most pollution, at this time, deodorant effect what where to go or not, the best way is to open the window ventilation, it is recommended to open the electric fan to accelerate the exchange of indoor and outdoor air.
Two, flowers and trees law
Use effect: in general, can only absorb some harmful substances, but there is better than nothing.
1, inhalation of harm performance
The stimulation of ammonia is a reliable and harmful concentration alarm signal. However, due to the smell of fatigue, long-term exposure to low concentrations of ammonia will be difficult to detect. Inhalation is the main way of contact, after the inhalation of ammonia poisoning performance mainly in the following aspects.
Mild inhalation of ammonia poisoning showed rhinitis, pharyngitis, sore throat, hoarse voice. Ammonia into the trachea and bronchus can cause cough, sputum with blood. Severe hemoptysis and pulmonary edema, dyspnea, cough, white or bloody foam sputum, double lungs full of large, water bubble sound. Patients with pharyngeal pain, cough, sputum or hemoptysis, chest tightness and chest pain.
Acute inhalation of ammonia poisoning is caused by accident, such as pipeline rupture, the valve burst and so on. The main manifestations of acute ammonia poisoning are respiratory irritation and burns. The symptoms were different according to the concentration of ammonia, the time of inhalation and the individual's perception.
1, Na's reagent colorimetric method
2 - salicylic acid and sodium hypochlorite spectrophotometric method
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