Photocatalytic Filter Present In Air Conditioners & Air Purifiers!

The photocatalytic filter is an excellent illustration where ultraviolet radiation or UV light serves as the superior element to cleanse the air of impurities with the assistance of a catalyst. This catalyst is known as Titanium dioxide.

Light has astounding endowments. It provides life to plants as they serve their own food using sunlight.

Not many bodies understand that light can also help in purifying the air we respire. Some of the most advanced air conditioners and air purifiers practice this aspect of light to disinfect and clarify the air.

Actually, there are different types of filters that are present in Air conditioners, or water purifiers, or air purifiers. For example, the Catechin filterAnti- Bacterial FilterBaffle filterHepa filterAnti VOC filter, or the electrostatic filter.

Photocatalytic Filter – The Principle And Its Working

In outspoken expressions, ultraviolet light or UV light illuminates onto an agitator, titanium dioxide thereby splitting up the water molecules in the air to consolidate with the contaminants and oxidize them later.

Let us glance at the performance of the photocatalytic filter in the declaration.

So, In this filter, beams of ultraviolet light, also known as invisible light, speculate on a thin film of titanium dioxide to liberate electrons. These particles communicate with the water molecules existing in the air to form extremely reactive hydroxyl ions (OH-).

These hydroxyl ions then consolidate with carbon present in the organic pollutants and transform them into Carbon dioxide (CO2) and water. Consequently, you can assume this as a classic example of oxidation.

Accordingly, this process of disinfection of air is also known as Photocatalytic Oxidation (PCO).

Photocatalytic filter

What Is The Role Of Titanium Dioxide?

Titanium dioxide plays the purpose of a catalyst whereby it stimulates the effect without exercising part in it immediately. Consequently, this technology does not demand titanium dioxide in massive portions. A thin film of the aggregate is sufficient to satisfy the facade of the substrate.

Let us now discuss the pros and cons of these filters.

Photocatalytic Filters – Pros

  • Photocatalytic Filters do not ambush the pollutants in their purest form. Instead, they transform the dangerous organic contaminants into carbon dioxide and water whereby ultimately converting the toxic substances. In fact, they extirpate the pollutants.
  • The ultraviolet(UV) radiation has more exceeding energy than conventional light, and it is not apparent to the human eye. It can generate the right measure of energy needed to stimulate the titanium dioxide molecules to enable the liberation of electrons to start the oxidation method.

Photocatalytic Filters – Cons

  • Disclosure to ultraviolet light, also known as Invisible light can proffer sunburn to your body as these light particles have more distinguished energy levels.
  • Ozone (O3), is one of the by-products of this reaction. Moreover, it is a dangerous air pollutant. It is a chemical modification of oxygen that can determine toxicity if breathed in massive quantities. Notwithstanding, the air purifier producers allege that these filters provide ozone much more concisely than the guideline limit.
  • This biochemical reaction takes a position on the exterior of the titanium dioxide catalyst. Therefore, there is a demand to reduce the polluted air from the outside using fans. These fans absorb out the contaminated air comprising carbon dioxide and exhale out fresh air from the other end. Consequently, it can take around half an hour for these filters to clean a big space.

Photocatalytic Filters – Use In Air Purifiers And Air Conditioners

These filters are advantageous and convenient as a supplementary instrument to the actual HEPA filters and separate filters applied in the air purifiers and air conditioners. The most modern examples of Daikin air conditioners secure handling and management of this technology to strengthen their other filtration systems.

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