Air pollution “vacuum cleaner” unveiled in Amsterdam

Dutch inventors have unveiled a large outside air vacuum capable of filtering large quantities of pollutants from the atmosphere.

The purifier, created by tech start–up group Envinity, can clean about 800,000 cubic metres of air per hour, according to its inventors.

“A large column of air will pass through the filter and come out clear,” Henk Boersen, the group’s spokesman said in an interview with the BBC.

The filter had been showcased at an exhibition in Amsterdam.

“It’s a large industrial filter about 8m [26ft 2in] long, made of steel… placed basically on top of buildings and it works like a big vacuum cleaner,” Mr Boersen explained.

The company said the vacuum cleaner was able to suck in air from a 300m radius and up to 7km (4.3 miles) from above and filter out 100% of fine particles and 95% of ultra-fine particles. Fine particles are caused by emissions from burning wood and other fuels as well as industrial combustion. Ultra-fine particles are released by emissions from vehicles as well as aeroplanes.

“Fine particles and ultra-fine particles are known to be extremely harmful to public health,” Envinity Group said on its website.

About 90% of EU residents are said to be exposed to high levels of such particles.

Last month, an air-purifying system designed by Dutch artist Daan Roosegaarde was installed in Beijing.


Smog Free Tower, which uses patented ozone-free ion technology, can clean up to 30,000 cubic metres of air an hour and collect more than 75% of the harmful particles, according to Studio Roosegaarde.

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