After the renovation was completed, the industry mainly moved into a new home, but there was a “person†who could not walk. It was the number one formaldehyde in decoration pollution. Formaldehyde is a colorless gas that has a stimulating odor and is a serious hazard to people's health. How do you remove formaldehyde? Baidu came out with a lot of methods, what photocatalyst, activated carbon, window ventilation, planting plants... Which method works well? Listen to the "Great God" analysis of violence.
1, although the ventilation does not need money, but can not afford to consume youth
The advantage of ventilation is that you don’t need money. You can open the window directly, but the question is whether ventilation is really free?
In fact, you are too simple, of course, ventilation is not free. Because ventilation takes a long time, it can not be moved for three months and half a year, or even a year. So your renovated house is empty. You cannot live. You have to rent a house outside. The rent of this house is the cost of ventilation. In this way, ventilation is not cheap at all.
If you already have a house and do not pay rent, the truth is the same. If you think about it, if you live in a new house one month earlier, then if you live in one place, you can rent it one at a time. Is this also money?
Therefore, natural ventilation is not free.
OK, we don’t talk about money. Regardless of how much money is spoken, is there any use for ventilation?
1) Summer and winter are very different. Because the volatilization of formaldehyde is greatly affected by the temperature, it is evident that it evaporates in the summer, but it does not move in the winter and it does not evaporate in the wood. In this way, if you don't miss a summer, you don't feel relieved. Maybe you live in the summer after a year and you will find that the taste is coming out again.
2), ventilation dead corner. There are many places that will become blind spots for ventilation. Even if the outside wind is big, the area to be blown is limited. For example, a drawer, you pull the drawer completely open, but the ventilation inside the drawer is still a lot worse than the desktop, which will undoubtedly increase the ventilation time. Four months after my house was ventilated, I found a lot of dust in it, but the dust inside the drawer was significantly less than on the desktop, and there were other dead angles. There is less dust. In a sense, there is less air coming into contact with the outside.
3) Root cause problems. There is a very vivid metaphor for this root cause problem. For example, if your home is now flooded with water, the water is formaldehyde, and the leader of the water is formaldehyde that releases formaldehyde. You have now turned all the sewer drains on. The water slowly starts to run away. The house looks dry, but you don't turn off the tap. So even though the home is more than water, the faucet is still on the edge. wet. Inside the furniture, formaldehyde will come out constantly, which is undoubtedly harmful to the human body. According to the legendary furniture, the release period of formaldehyde is 3-15 years. That is to say, even if it is the best material, he will release it for 3 years. You cannot stay empty for 3 years. What's more, the materials you use have no way to guarantee that it must be the best. For fifteen years, the house simply doesn't need to live. Then redecorate it or sell it.
2, photocatalyst is very magical, but not "use"
Photocatalysts require several conditions to react, nano-scale, titanium sharp titanium dioxide, ultraviolet light, of which the most difficult to achieve is ultraviolet light. As long as titanium sharp and nano are not bought too cheap, it should not be a problem because it is not a technical problem but a cost issue.
Then there are products that can be reflected in the normal spectrum, and I said that it can apply for the Nobel Prize. And here is a more straightforward and straightforward example.
Titanium dioxide, a photocatalyst, was first discovered by two Japanese people doing water electrolysis experiments. They found that using titanium dioxide as an electrode, without electricity, as long as the light, it can be decomposed into oxygen and hydrogen. Then, by the time the nanotechnology was mature in the 1990s, the effect of titanium dioxide as a catalyst was only revisited because the nanoscale reaction was intense. This has certain practicality, but ultraviolet light is still a difficult one. So, we see that titanium dioxide was not originally used to break down formaldehyde, he can break down water.
Therefore, if someone really solves the problem of ultraviolet light, anyone with a business sense will not think of taking him to remove formaldehyde, which can be used as a new power fuel. Put a transparent large water tank, use a small amount of electricity to fight titanium dioxide in water, after light, decomposition of hydrogen and oxygen, and then ignite, export to the internal combustion engine, start the car, the final product is only water, no pollution, and can also be re-guided Return to the tank and continue to break down. Because titanium dioxide is just a catalyst, it is theoretically never lost, a perpetual motion to take off!
In addition to formaldehyde
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