TX Active, cemento italiano que se come el smog

... visitors to the Italian Pavilion of the architecture exhibition in the Venice Biennale, which will remain open until Nov. 19, will get a breath of fresh air. That's because parts of the concrete walls and grounds have been built with cement containing an active agent that, in presence of light, breaks air pollutants such as carbon monoxide, nitrogen oxide, benzene, and others through a natural chemical process called photocatalysis.

The demonstration is a reminder that smart innovation applies also to mundane products and can offer unexpected solutions even for complex problems such as air pollution. The technology, called TX Active, has been under development for almost 10 years in the labs of Italcementi, the world's fifth-biggest cement producer, and is starting to be applied commercially to buildings and streets in Italy, France, Belgium, and elsewhere.

Fuente: A Concrete Step Toward Cleaner Air (BusinessWeek.com)

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