June 17, 2005 Italian ceramic tile manufacturer Gambarelli has produced a remarkable new tile that catalyses a reaction with pollution to break it down to salt and purify the air. Gambarelli’s new Oxygena range of tiles is coated with titanium dioxide, which has photocatalytic properties - when exposed to sunlight, it activates a reaction similar to that of chlorophyll photosynthesis in plants. In university tests, it has been found in eight hours of exposure to daylight, one square metre of Oxygena tiles purifies 72 cubic metres of air.
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