Photocatalytic Hoarding: Breaking Down Pollution

The Battersea Power Station Phase 3a project has demonstrated its commitment to innovation, sustainability and its workforce by installing a pollution-absorbing hoarding on-site. The project team worked with the manufacturer prior to product launch to install the substrate onto site hoarding and also set up monitors to understand what the real life impact is on a live construction project.

Through photocatalysis, the safe and non-toxic coating uses UV light from the sun to break down harmful nitrogen oxides and other pollutants into molecules of water and nitrogen. The product is low maintenance and self-cleans with the help of rain.

High NOx levels in the capital, mostly caused by diesel vehicles, have been a particular concern for both national and local government and is a growing issue on construction sites. Cutting-edge technology such as this may be a small step towards tackling the problem.

Through passively reducing the levels of harmful atmospheric gases the hoarding is improving the air quality for the workforce on site as well as potentially helping to combat the Macro environmental issue of air quality in London.

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Entry submitted by Sir Robert McAlpine

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