Bath’s Breath of Fresh Air:  Zero waste 99.999% Virus-Busting Air Purifier

By: | February 1st, 2024

FOAM3R foam developed at the University of Bath (Image by University of Bath)

In a groundbreaking discovery at the University of Bath in the UK, researchers have unveiled an innovative zero-waste air purifier that boasts an impressive 99.999% efficiency in removing viruses.

This cutting-edge technology is poised to revolutionize the realm of air purification, establishing a fresh benchmark for both efficacy and environmental sustainability.

At the heart of this breakthrough purifier is FOAM3R filter technology, a highly adaptable disruptor for removing microbes, CO2, and volatile organic compounds (VOCs).

A Lightweight, Mouldable, and Simple Solution for Exceptional Air Purity

Lightweight and mouldable, FOAM3R is produced using a simple environmentally friendly manufacturing process. This inventive foam combines high-temperature polymer with active media, including selective adsorbents for contaminant capture and antibacterial agents to combat microbes.

Not only is it mouldable and lightweight, but it is also energy-efficient and possesses antibacterial properties. The incorporation of active metals in its structure claims to impart a remarkable 99.999% efficiency in eliminating bacteria and viruses. It captures a wide range of VOCs, addressing both unpleasant odours and potential threats to human health.

Versatile Applications

FOAM3R can be used in diverse applications in creating multi-functional foam structures for various settings. Its versatility extends to aircraft cabins, in-car air filters, ship and boat cabins, residential heating, ventilation, and air-conditioning systems, as well as home air purifiers, respirators, and breathing apparatus.

Safe Disposal of Captured Pollutants

The prototype home air purifier design employs two FOAM3R material columns. While one purifies the air, the other regenerates through heating, restoring the foam’s sorbent properties. This distinctive process not only eliminates pollutants and microbial debris but also recovers volatile components through cooling and condensation. The resulting liquid is safe for disposal.

Nidhi Goyal

Nidhi is a gold medalist Post Graduate in Atmospheric and Oceanic Sciences.

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