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Saturday, November 27, 2021

1971: Paris Installs Giant Air Filters to Combat Pollution

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PARIS, Oct. 19 (NYT). — Two mysterious towers have been arrange nowadays within the dirty Gare de Lyon space of japanese Paris and one schoolboy was once overheard asking: “Are they for launching rockets to the moon?”



The solution is not any. They’re massive air filters, to be examined as a way of fighting air air pollution right here.

The towers, 16 and a part ft top and with a diameter of about 5 ft, are mainly outsized vacuum cleaners with a filter out within the center. Thru 4 apertures on the base, the air is aspirated by means of an electrical fan and sucked thru a number of filters to the highest, and out once more, minus the air pollution. Or so it’s was hoping.



The “Aspirateurs Géants,” as they have got been tentatively dubbed, have been commissioned by means of Electricité de France, the state electrical energy monopoly, and produced by means of Bertin et Compagnie, makers of the Aérotrain.

They’re going to procedure 557,000 cubic ft of air according to day, and retain of their filters 80 kilos of polluting brokers a 12 months.

Lately, workmen have been nonetheless busy connecting electrical wires with the buildings. It was once was hoping they might be in a position to serve as by means of Friday. Will they be noisy? A technician responded: on verra — we’ll see.

Effects will likely be examined for a number of months. If they’re conclusive, an undisclosed selection of the air filters will likely be erected somewhere else in Paris.

The timing of the experiment more or less coincides with an alarming building up in air air pollution right here closing week. As a result of a subway employees’ strike, many extra automobiles have been at the roads than customary.

— The World Usher in Tribune, Oct. 20, 1971

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