Efficacia della filtrazione fotocatalitica verso i virus e coronavirus

The pandemic of COVID virus, and the realization that there will be further outbreaks in the coming years, has brought widespread attention and sensitivity to issues related to indoor air quality and thus to purification systems.

Not everyone knows that photocatalytic filtration breaks down volatile organic compounds and foul odors and is remarkably effective in killing bacteria and viruses (especially in conjunction with a light source in the UVC range).

To spread awareness of this quality of photocatalytic filtration, we share the interesting article by engineer Gian Luca GUERRINI “FOTOCATALISI E VIRUS” (credits below).

What is photocatalysis? How can it be exploited for sanitation purposes? Is it active against viruses? Let's take stock by actualizing it to the pandemic situation created by the SARS-CoV-2 virus outbreak. A brief discussion of how surfaces and building products can be functionalized to achieve effective results in improving the environmental conditions in which we find ourselves

Maximum effectiveness in air purification with only one filter element

The DEPUREX filter media responds exactly to the scheme hypothesized by the author in the article, except that it combines the two filters into one.

In other words, the DEPUREX filtration system does not consist of 2 filters - carbon + photocatalytic filter - as shown in the figure but of one filter in which the ultra-high efficiency activated carbon media is treated with TiO2.

Infografica Filtrazione Fotocatalitica 800x500 1

One issue that rightly worries air handling unit manufacturers, and which often prevents them from using advanced filtration systems, is the pressure drop. On the other hand, the higher the degree of filtration, the more "closed" the filter material.

DEPUREX filters have a very low-pressure drop, thus enabling the creation of high-performance air treatment systems in terms of purification without penalizing the system.

CREDITS

Published online at www.ingenio-web.it, April 10, 2020

T1  – FOTOCATALISI E VIRUS

DO  – 10.13140/RG.2.2.14041.88163

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Depurex progetta e produce filtri fotocatalitici trattati al biossido di titanio per l’abbattimento di composti organici volatili, di cattivi odori e la sanificazione dell’aria da virus e batteri.