The AeroFilter project has started in April 2016 and will run 24 months with a budget of 1.1 M€ funded by Eurostar. Svenska Aerogel (SvAAB) will be the responsible partner for the project coordination.

Project title: Aerogel filters
The growing urbanization along with an improved lifestyle and an accelerated demand for new commodities and products has caused an increased emission of chemicals. Chemicals that cannot be removed from the ambient surrounding using conventional air particle filters.

The project goal is to develop a series of nanoporous silica based filters, in which each filter is tailor-made to adsorb a predefined group of chemicals from the surrounding air. Depending on the chemical residues present in an ambient environment a selection of these filters can be combined and assembled in a filter cartridge. The possibility to vary and select the types of media in the filter cartridge will allow the implementation of the novel technology from the proposed study in a wide range of applications.

The first objective is to improve the indoor air quality for people living in heavily populated urban areas. Citizens who may experience health related problems due to emissions of chemical residues from traffic, combustion, furnishing and building materials, etc.

The second objective is to remove chemical constituents present in the air of refrigerators to prolong shelf life and to minimize bad odour from foods, with the intention of reducing the vast quantity of waste from our society.

The main outcome of the proposed project will be the manufacturing of filters for removing common hazard chemicals in indoor environment and filters for suppressing the presence of chemicals constituents in refrigerator air causing bad odour and premature ripening of fruits and vegetables.

The set of developed filters will be extensively tested within the project under both laboratory and field conditions in order to evaluate their performance in removing chemical constituents from air and to estimate their expected longevity in commercial applications.

The existing active carbon-based or porous alumina filters have limitations in terms of uptake of harmful gases, particularly VOC emissions. Our nanoporous silica based filter media, due to their large surface area, can adsorb larger amount of gas contaminations thus less adsorbent material requirements and cheaper to run. Versatile pore structures enable the design of selective nanoporous silica based products for targeted applications.