New air purifier design with innovative foam technology promises virus-stopping performance and zero waste
Researchers at the University of Bath have invented a new form of high-performance air purifier that promises zero harmful waste.
Credit: University of Bath
Researchers at the University of Bath have invented a new form of high-performance air purifier that promises zero harmful waste.
Key to the purifier and how it works is FOAM3R filter technology, patented by the University, which is described as a highly adaptable disruptor technology for microbial, CO2 and volatile organic compound (VOC) odour removal.
FOAM3R can be used to produce multi-functional foam structures for a wide range of applications, including aircraft cabins, in-car air filters, ship and boat cabins, residential heating, ventilation and air-conditioning, home air purifiers and respirator and breathing apparatus.
The innovative foam comprises of high temperature polymer and active media such as selective adsorbents to capture contaminants and antibacterial agents to combat microbes. It is mouldable and lightweight, energy-efficient and anti-bacterial, and the addition of active metals into the structure makes it 99.999% efficient in removing common bacteria and viruses.
It also boasts a tailorable composition that allows for targeted capture of a wide range of small to large VOCs – some of which are responsible for unpleasant smells, while others can be harmful to human health – and high-performance removal of CO2.
The home air purifier design, currently in the prototype stage, features two cylindrical columns of the FOAM3R material. During operation, one column is used to purify the air, while the other ‘regenerates’ for reuse through heating, restoring the foam’s sorbent properties.
The process also removes collected pollutants and dead microbial debris captured in the air through heating, and recovers volatile components through cooling and condensation, which are collected as a liquid that is safe to pour away.
FOAM3R is created in a simple one-step manufacturing process and can be shaped into a variety of form factors. It can also be retro-fitted into existing technology and is more energy efficient than comparable carbon-granule based air purification systems.
Professor Semali Perera, from Bath’s Department of Chemical Engineering, says the air purifier design and FOAM3R technology could present a breakthrough in air purification. She adds: “We have created a highly efficient design, with none of the disposable cartridges or waste that we see in many commercial air purifiers, so there are several benefits to what we’ve created.
“Our next step is to engage potential commercial partners with the requisite expertise to bring our invention to the market.”
The development team includes Prof Perera, Professor John Chew, Professor Barry Crittenden, Dr Ramya G, Dr Olivier Camus and Dr Stuart Scott.
The University of Bath research team is seeking partnerships to help develop the technology. Interested parties can contact Irene Henning, Technology Transfer Manager, at ih468@bath.ac.uk.
ENDS
Images are available at: http://tinyurl.com/5jn49ftm (credit: University of Bath)
For more information or to request interviews, contact Will McManus in the University of Bath press office at wem25@bath.ac.uk or on +44 (0)1225 385798.
The University of Bath
The University of Bath is one of the UK’s leading universities for high-impact research with a reputation for excellence in education, student experience and graduate prospects.
We are named ‘University of the Year’ in The Times and The Sunday Times Good University Guide 2023, and ranked among the world’s top 10% of universities, placing 148th in the QS World University Rankings 2024. We are ranked 5th in the UK in the Complete University Guide 2024, 6th in the Guardian University Guide 2024 and 8th in The Times and Sunday Times Good University Guide 2024.
Bath is rated in the world’s top 10 universities for sport in the QS World University Ranking by Subject 2023. We produce some of the world’s most job-ready graduates and were named University of the Year for Graduate Jobs by the Daily Mail University Guide 2024, as well as ranking as one of the world’s top 90 universities for employer reputation according to the QS World University Rankings 2024.
Research from Bath is helping to change the world for the better. Across the University’s three Faculties and School of Management, our research is making an impact in society, leading to low-carbon living, positive digital futures, and improved health and wellbeing. Find out all about our Research with Impact: https://www.bath.ac.uk/campaigns/research-with-impact/
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