Photocatalysis is a chemical reaction that removes pollutants commonly found in the atmosphere, such as VOCs, NOx and SOx through an oxidation process activated by solar energy.
The most commonly used photocatalyst is titanium dioxide(TiO2).
Photocatalysis
Decomposition of contaminants
Product test
Litoclean has subjected the product to exhaustive tests developed and controlled at the Fraunhofer Institute in Germany, which have yielded promising and decisive results that endorse the veracity of the action of the photocatalysis process offered by the product.
Pilot tests to evaluate the performance of the photocatalytic technique
Application of a constant flow of air with Toluene and another with Formaldehyde in a closed receptacle, primed with TiO2 nanoparticles and ultraviolet light.
Pilot test with toluene
Toluene concentration vs. time curve.
67.4% VOC removal by photocatalysis
No accumulation of toluene degradation products (formaldehyde, acetaldehyde, formic acid, acetic acid, acrolein, ethanol and other semi-volatile VOCs ) is observed, so their total elimination is affirmed.
The complete degradation of toluene would be confirmed.
No accumulation of the degradation products of formaldehyde (acetaldehyde, formic acid and acetic acid) is observed, so their total elimination is affirmed.
Formaldehyde + Catalyst product + UV = ~ CO2 + Water
Removal of VOCs present in the atmosphere by photocatalysis.
Theoretical emission offsets.
Evaluating on a case-by-case basis the potential for passive degradation at emission points.
Reducing/eliminating odors in parts of the facility.
Mitigating occupational health risks.
Maximizing the cleaning of spaces and sectors (bactericidal function).
Including the action in the company's annual sustainability report.
Improving social perception and sustainability horizon development plan.