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This giant air purifier sucks up smog and spits out gem stones

By James Lu - on 15 Sep 2015, 2:07pm

This giant air purifier sucks up smog and spits out gem stones

Dutch designer Daan Roosegaarde has just finished work on the largest air purifier ever built, a result of more than three years of research and development. Currently set up in Roosegaarde's home city of Rotterdam, the Smog Free Tower is a 7m tall structure capable of cleaning up to 30,000 cubic meters of air per hour - and even better, it then condenses those smog particles into gem stones! Each gem stone requires about 1,000 cubic meters of air.

A ring set with one of the Smog Free Tower's gemstones.

The tower essentially works in the same way as a regular-sized ionic air purifier. It is powered by 1,400 watts of sustainable energy, which is used by the tower to send positive ions into the air.

As Roosegaarde explains, "These ions attach themselves to fine dust particles. A negatively charged surface - the counter electrode - will then draw the positive ions in, together with the fine dust particles. The fine dust that would normally harm us, is collected together with the ions and stored inside of the tower. This technology manages to capture ultra-fine smog particles which regular filter systems fail to do."

Cleaning up the air in Rotterdam is just the first step though. Roosegarde now wants to take his tower on the road, travelling to some of the world's most populated cities in an effort to clean up the air there. The full list of cities hasn't been revealed yet but hopefully Singapore is on the list. So far Roosegard has targeted Beijing, Paris, Los Angeles and Mexico City.

If you're interested in helping to fund the project, or you just want to get your hands on a cool Smog Free gemstone ring, Roosegard has set up a Kickstarter here.

Source: Smog Free Tower Kickstarter and Studio Roosegarde

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