h a l f b a k e r yRight twice a day.
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The basic concept is a tower that
cleans the air the way nostrils do for
you. This tower is essentially a tube
which the inside diameter is 40ft and
the structure is 150 ft high. The
structure of the tower is
honeycombed with tubes that radiate
out from the center and the tubes
have
fresh water seeping into them.
This gives them them the ability to
trap air particles just like your
nostrils.
The rising hot air from the subway
vent creates a vaccum pulling air into
the tower and then is cleaned. The
subway air will run into the wet
inside diameter of the tower and be
cleaned a bit more. Plus it will heat
the tower to keep the water from
freezing in the winter. An
electrostatic precipitator would be
placed at the top to catch anything
that misses the walls. It can be left
out of the plans if need be.
The tower will look like a weeping
tower and have the added benefit of
cooling down the surrounding area
because of the evaporation of the
water.
The tubes can be power washed to
keep down the growth or certain
mosses could be planted to combat
unwanted growth. The water at the
bottom can be filtered and recycled
adding to the fresh water being
supplied to the tower.
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A croissant only if it's shaped like a giant nose. Kids can bath in its "mucus". |
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Don't forget the occasional sneeze heard for k/m|ile|s. |
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Problem 1: Too much pollution - tower ineffective. |
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Problem 2: What to do with the huge volume of effluent. |
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Pollution in big cities may be overwhelming, but even a slight reduction would be worth something. And big cities do have existing ways of getting rid of effluent, since they have to deal with what comes out of their sewage systems. |
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Someone recently did an analysis of the economic value of a New York City tree. It included the amount of pollutants removed from the atmosphere over the course of its lifetime. There's a lot to be said for planting a tree. Or a forest. |
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Uh, sorry, was I standing too close to you? |
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I remember reading once about an inventor who had come up with a catalyst compound that, when heated, would scrub Carbon Monoxide or Ozone (or one of those baddies) from the air. He was trying to push the idea of painting this catalyst on the radiators of cars, so as you drove down the freeway your car would "clean up" the exhaust coming out of the car in front of you. You could potentially buy a new gasoline car that had zero or even negative emissions, because of the cleansing effect it had on the air around it. Nice bit of out-of-the-box thinking, I thought. |
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Thanks for the link, buddha. |
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