Development of catalytic filters that deactivate airborne viruses and can be installed in air recirculation or room ventilation systems.
The presence of COVID-19 in aerosol droplets generated by coughing, toilet flushing, etc., persists in the air for long time-periods and is a vector of contagion. Participant groups at the ICP and Hong Kong, which already work together on air quality, currently have a project to develop catalytic filters to eliminate volatile compounds. This technology is transferable to virus removal systems. The HK group carried this out previously for SARS in 2003. Covid-19 has a lipid coating that can be damaged by inactivation. Porous catalysts (discs, wall-flow monoliths) will be manufactured for installation in fan filters and air recirculators. Virus removal is sought at moderate catalyst temperatures (below 70ºC) without effectiveness being compromised by environmental humidity.

Principal Investigator: Miguel Ángel Bañares (ICP)

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