Do you know what kind of indoor air needs to be purified?
Due to the emergence of new technologies such as networks, computers, and smart phones, people now spend more time indoors, so a good indoor environment is becoming more and more important for us to stay healthy. If there is a problem with the air that breathes all the time, it can’t be ignored. So, do you know what kind of situation indicates that indoor air has been contaminated?
For this problem, the World Health Organization gave us the answer and released the physical symptoms caused by indoor environmental pollution, mainly in the following eight aspects:
(1) The eyes, especially the cornea, nasal mucosa and laryngeal mucosa have irritation;
(2) Drying of mucous membranes such as lips;
(3) The skin often has erythema, urticaria, eczema, etc.;
(4) It is easy to fatigue;
(5) It is easy to cause headaches and symptoms of respiratory infections;
(6) often have a feeling of chest tightness and suffocation;
(7) Frequent allergies of unknown cause;
(8) Frequent feelings of dizziness, nausea, vomiting, etc.
If your body has the above symptoms, you need to check the indoor environment and purify the indoor air.
There are many indoor pollutants, mainly three types.
First, formaldehyde, adhesives, artificial building materials, etc. will emit a large amount of formaldehyde, formaldehyde has a great effect on the endometrium, throat and skin;
The second is benzene series, which are widely present in various organic solvents for building decoration materials, such as various paints and coating additives, thinners and some waterproof materials. Long-term exposure to low concentrations of benzene can cause dizziness, insomnia, listlessness, memory loss and other neurasthenia;
The third is TVOC, which is the abbreviation for total volatile organic compounds in the room. Mainly from paints, water-based paints, adhesives, cosmetics, detergents, wood-based panels, wallpapers, carpets, etc. If the concentration of TVOC is too high, it will directly stimulate the body’s sense of smell and other organs, causing irritative allergic reactions and neurological effects.
So how do we prevent indoor air pollution? The current purification methods are mainly divided into the following
- Activated carbon adsorption method
Activated carbon has a large surface area and is capable of adsorbing a certain amount of harmful gases on the surface. Activated carbon will fail after adsorption and is suitable for solving low-concentration pollution. It is rarely used in indoor pollution control.
- Chemical deodorant method
The effect is not long-lasting, and it has certain toxic side effects, which easily cause secondary pollution.
- Natural ventilation method
By opening the window and opening the door, the indoor air naturally flows, and the purpose of purifying the indoor air has been achieved. However, this method is only used to remove indoor odor, can not completely eradicate indoor pollution, and often has haze outside.
- Professional product management uses an air purifier. Efficient air purifier can quickly and effectively purify the air in a single room, absorb dust mites, inhibit the spread of pathogens, and remove formaldehyde, benzene and TVOC.
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