When a car is used for a long time, a smell can develop inside the car. This is the time to consider purifying some of the air inside the car. Many people may think that the air inside the car is not a simple matter of opening the windows and ventilating the car. This is indeed the simplest way, in addition to some of the methods available to purify the air inside the car, such as the use of activated charcoal, spray air freshener or perfume, the use of air purification devices.
Car air purification techniques
1. Open windows and use internal circulation
Opening windows is the simplest and most necessary method. Especially for new cars, you must often open the windows to let the air circulate. However, it should be reminded that driving ventilation must be in the outside air quality is relatively good, if the haze is very serious, it is recommended not to open the windows to ventilate, but should try to open the car air conditioning internal circulation system.
As we all know, the external circulation state is the use of fans outside the car to air suction to the car, that is to say, outside the car and inside the car airway is circulating, and the fan hits the wind from outside the car, even if the fan is not open, the vehicle is still driving in the airflow inhaled into the car to supplement the fresh air inside the car. However, in hazy weather, high concentrations of suspended pollutants or respirable particles can easily enter the car with open windows.
The state of internal circulation closes the airflow channels inside and outside the vehicle, creating airflow circulation inside the vehicle. It can effectively prevent dust and harmful gases from the outside from entering the vehicle, such as blocking harmful exhaust fumes discharged from the vehicle in front of you when you are driving through areas of smoke, dust, or odor or when vehicles are traveling in dense and compact traffic. Therefore, on hazy days, car owners should turn on the internal circulation system of the air conditioning in the car.
2. Use activated carbon
Activated carbon is currently the most effective, safest, and easiest way for car owners to achieve. Activated carbon has the characteristics of pore space, formaldehyde, and other harmful substances that have a strong adsorption effect, the smaller the particle adsorption effect is better. The use of activated carbon is a physical method, and will not produce secondary pollution. However, the need for doctrine is that the activated carbon package is a use cycle, only in a certain period effective, therefore, pay attention to timely replacement.
3. Spray air freshener or perfume
Many people feel that the air quality in their car is not good, and buy perfume, air cleaner, and another spray, the moment the car's aroma is compelling, but in fact, this is for the harmful gases that have no role in removing. Perfume itself is certainly not decomposition, degradation of harmful substances in the car function, can only play the role of covering the smell.
Moreover, the current automotive products market perfume brands mixed, the quality is difficult to guarantee, and some of the harmful ingredients will aggravate the chemical pollution in the car. As for the air freshener, it simply does not have the role of decomposition of harmful substances, but will accelerate the car air in formaldehyde and benzene and other substances over the standard, resulting in ‘secondary pollution’.
4. The use of photocatalysts, ozone
Nowadays, many car service shops have introduced photocatalysts, ozone, and other methods to purify the air in the new car. Photocatalyst is a nanoscale titanium dioxide as a representative of the photocatalytic function of the light semiconductor material general terms, it coats air conditioning or car interior surfaces, in light, including visible light and ultraviolet light, produces a strong catalytic degradation function and can effectively degrade in the air in the car of toxic and harmful gases; can be effective in killing a variety of bacteria, the It can effectively kill many kinds of bacteria and decompose and harmlessly treat the toxins released by bacteria or fungi; meanwhile, it also has the functions of deodorization and anti-dirt.
Photocatalyst is one of the safest materials for air purification. This method is fast-acting, but it is not effective in dealing with formaldehyde pollution.
Ozone has the function of sterilization and disinfection. However, ozone only purifies and disinfects the harmful gases in the existing air, and many harmful gases in the car volatilize over a long period, especially formaldehyde produced during indoor decoration, and the volatilization time may be as long as 15 years. Therefore, the purifying effect of ozone is limited, and it is easy to cause secondary pollution.
5. The use of air purification devices
At present, the new Camry, Rondo, the new Audi A6L, and many other new models are equipped with a "negative ion generator" or car air purification device, these devices can eliminate odors, toxic gases, bacteria and viruses, and other in-vehicle pollution, to improve the quality of air in the car can play a good effect.
If the car itself is not equipped with an air purification system, then you may wish to buy car air purification equipment, the mainstream car air purifier brands Philips, Sharp, Yadu, Wuxun, etc., the prices from a few hundred to thousands of dollars, the specific effect of the price is proportional to the buy can be relied upon.