Crusaders Air Purifier with UV filter

Light is an amazing source of energy. It can give life to plants as well as power our bodies. But did you know that air purifiers equipped with UV filter use light to purify the air we breathe?
Let us tell you how does an air purifier with UV filter work.

Photocatalytic filter – The Principle and its working

In a photocatalytic filter, ultraviolet light acts as the prime ingredient to clean the air of impurities with the help of a catalyst, in this case titanium dioxide.

Photocatalytic filter does not trap the pollutants in their original form. They convert the harmful organic contaminants into carbon dioxide and water thereby completely transforming the toxic chemicals. In fact, they eradicate the pollutants.

The ultraviolet radiation has more energy than the standard light, and it is not visible to the human eye. It can produce the right amount of energy required to excite the titanium dioxide molecules to enable the release of electrons to start the oxidation process.

Photocatalytic Filters – Use in air purifiers

Photocatalysis only tackles certain, chemical forms of air pollution and doesn’t solve the problem of particulates (soot and dirt). That’s why Crusaders Air purifier has photocatalytic filters (UV) combined with HEPA filters, UV-activated, titanium-based catalyzers as its multiple filtering technologies to form a comprehensive system that can tackle a whole range of dirt and pollutants.

Here’s a list of series of different cleaning stages Crusaders Air purifiers use at each level to tackle different kind of airborne pollutant, dust and toxic gases:

  1. Primary Washable Filter – Removes large airborne particles such as dust and hair
  • True HEPA Filter – Eliminates 99.97% of smokes, household dust, pet dander, mold spores, pollen, bacteria and airborne viruses up to 0.1 microns in size
  • Activated Carbon Filter – Removes formaldehyde, toxic substances and foul odour
  • Negative Ioniser – Helps recharge the air with fresh negative charge to maintain a feeling of early morning freshness.

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  • TiO2 Photocatalyst Filter – Helps in Oxidising pathogens and harmful gases such as exhaust fumes, volatile organic compounds, and so on.
  • UV – LED UV-C bulbs help kill bacteria and viruses captured on HEPA even those that escape through HEPA

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saarthak