Why is 3M s photocatalyst formaldehyde removal products only available in China?

The principle of formaldehyde removal is divided into the following types: 1: Sealing agent:

Hazardous substances such as formaldehyde are sealed inside the object. This closed layer will slowly break down over time, and this method has been phased out because it does not solve the problem fundamentally, but only prolongs it. 2：

Aldehyde remover: This is to use chemicals to directly react with formaldehyde and other harmful substances, the effect is certainly there, but because this method has loss, it is necessary to often repeat the construction, which is unrealistic, so it has been gradually eliminated. 3：

Photocatalyst: This method is currently the most mainstream, and the biggest advantage is that it will not participate in the direct reaction, but will decompose harmful substances such as formaldehyde in a catalytic way. The catalyst is not consumed, so it is effective for a long time.

The principle of formaldehyde removal of the ice insect photocatalyst of Zhejiang University....

For example, in the United States, the use of photocatalysts is prohibited in residential buildings. Why, because although the photocatalyst is good, it is easy to produce secondary pollution due to insufficient light or improper operation. So now we still recommend using herbal diaphragm to remove formaldehyde at home, while maintaining ventilation for a certain amount of time every day.

b may be the first to be left behind, and there is no absolute entrance in the mobile era.

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That's because the Chinese market needs this kind of formaldehyde removal product. In addition, because Chinese have inexplicable concerns about formaldehyde, the product will sell better. Where there is a market, there is a product.

I don't know about this, but to remove formaldehyde, you should use good products and methods to remove it, and some of the feelings I used before are not bad, I can share them with you to try:

Step 1: Adopt the plant decontamination method. Indoor suitable for planting flower plants are: spider plant (including orchid grass), cactus (cactus), aloe vera, etc., this kind of plant has a certain deodorization effect, but with plant absorption, long time, the effect is not obvious.

Step 2: Herbal formaldehyde scavenger decomposes. After effective ventilation, indoor air pollution has been greatly reduced, and the release of formaldehyde inside furniture is indeed a relatively long process.

Step 3: Open the windows for ventilation. The decoration has just ended, the smell of the new house is serious, and the pollution must be several times, or even dozens of times exceeded, so the initial one to two weeks, what means do not play a big role, the best way is to open the window for a long time to ventilate.

Step 4: Put more leaf clay materials in the corner of the room, and the current method of removing odors is fast.

Treating formaldehyde is not enough in one way, you can try a variety of methods together:

1. Open the window frequently for ventilation, at any time, as much as possible, the following methods are completed on the basis of ventilation;

2. Water mixed with vinegar in the car can play a role in stabilizing formaldehyde;

3. Ye Guang mud: Put more Ye Guang mud in the corner of the car, and this method is the fastest way to remove peculiar smells. After using it for a month, it should be exposed to the sun and can continue to be used;

4. Photophyllin: The pure plant extraction of photophyll is safe and harmless, and it is OK to spray.

Photocatalyst is a kind of product that can decompose formaldehyde into carbon dioxide and water through light or ultraviolet irradiation, theoretically it can be effective for a long time at one time, but its requirements for action are relatively high, and the effect is not particularly obvious.

1. Wise Stone.

It is currently a relatively cost-effective formaldehyde removal product, its advantage is that it can be decomposed into water and carbon dioxide at the same time of absorbing formaldehyde and harmless substances to the human body, because of its decomposition characteristics, so that it will not appear adsorption saturation and indoor secondary pollution, and suitable for various types of environmental use. In addition, its removal rate is also dozens of times that of traditional adsorbent materials. When choosing, it is important to note that it is a gray ore with an irregular shape and is not a round particle.

2. Open windows for ventilation.

Open the window ventilation is the best way to remove free formaldehyde, when the window is opened, there will be a steady stream of fresh air will dilute the indoor air containing formaldehyde to achieve the purpose of purifying formaldehyde, but the window is easily affected by the weather, and the effect is also affected by the house type when used.

3. Plants.

Plants are the best products provided by nature to remove formaldehyde, and the more respected ones on the market are: pothos, spider plant, ivy, and aloe vera. These plants are a combination of beauty and talent, both to decorate the home and to purify the air.

4. Formaldehyde remover.

Formaldehyde scavenger is the use of chemical or biological principles, formaldehyde decomposition into harmless carbon dioxide and water or other harmless substances, so as to achieve the purpose of purifying formaldehyde, but there are many manufacturers, the quality is also uneven, you must keep your eyes open when buying, otherwise it is easy to cause the introduction of other harmful substances

Fifth, the fresh air system.

The fresh air system can ensure that the home is in a ventilated state 24 hours a day, which can greatly increase the exchange of indoor air and the outside world, although the effect is very good, but the first time of this fresh air system is more expensive, and it is a better choice to install it before decoration.

Most of us are office workers, and time is very limited, so if you want to remove formaldehyde from the air as soon as possible, it is best to do it in a variety of ways at the same time.

Is it useful for photocatalysts to remove formaldehyde? Photocatalyst is a general term for photosemiconductor materials with photocatalytic function represented by nanoscale and titanium dioxide, and is one of the safest materials for controlling indoor environmental pollution in the world.

Photocatalyst formaldehyde removal: a method of removing formaldehyde with photocatalyst.

As early as more than 50 years ago, the Japanese invented the technology of photocatalyst, but it was not introduced to China until the early 2000s. The main component of the photocatalyst is nano titanium dioxide, which can produce a strong oxidation reaction under natural light, so that it can effectively degrade harmful substances such as formaldehyde. As a catalyst photocatalyst, it itself will not undergo drastic changes and losses, and can continuously decompose harmful substances such as formaldehyde under sunlight, which has the characteristics of continuity.

Moreover, the photocatalyst can form a layer of filter, which can decompose formaldehyde from the root, so that formaldehyde can be decomposed before it floats out of furniture or decoration materials, which is far better than similar products.

Photocatalyst in the formaldehyde removal market is a general existence, there are already some domestic formaldehyde removal companies have cooperated with the Academy of Sciences and university teams, the introduction of Japanese imported photocatalyst stock solution in continuous improvement and innovation, so that the photocatalyst is more in line with the domestic new house decoration situation. The imported photocatalyst stock solution can only produce a catalytic decomposition of formaldehyde under sunlight or ultraviolet irradiation, but the improved photocatalyst can catalyze the decomposition of formaldehyde under the irradiation of light and visible light, which is more in line with the situation of formaldehyde treatment in our new house decoration.

With good formaldehyde treatment technology, the next step should be for professional personnel to "fight" against formaldehyde. The gap between the professional construction of individual spray photocatalyst and formaldehyde removal company is still relatively large, and the photocatalyst agent should be atomized evenly, and the pollution source of the key release of formaldehyde should be found to be in place. After spraying more, it will become a state of water droplets, so that there is no uniform atomization spraying, not to mention the formaldehyde treatment effect if the spray is less, so the professional staff of the formaldehyde treatment company are experienced and can be skillfully operated, but we have to be cautious when choosing a formaldehyde removal company, after all, there are not many professional companies, and in general, we can not be greedy for cheap.