COVID-19 and Photocatalytic Oxidation Indoor Air Purification

What is Photocatalytic Oxidation?

The photocatalytic oxidation (PCO) process involves combining ultraviolet light irradiation with a titanium dioxide coated filter. Here’s how the titanium dioxide catalyst in an air purifier breaks apart molecules of air pollution:

  1. When UV light shines on the titanium dioxide, electrons are released at its surface.

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