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Scrubbers for Vehicle Exhaust | |||||||||||||||||
We have scrubbers that are applied to industrial stack exhausts to remove a lot of the pollutants factories can produce. Why not miniaturize the concept to fit in or over a tailpipe? Store liquid waste in a replacable cartridge collected by the municipality for chemical treatment. It doesn't need to be mandatory for all vehicles; just the ones that frequently travel in areas with high congestion and air pollution.
MikeMol, Sep 21 2004
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http://auto.howstuffworks.com/catalytic-converter.htm
I'm familiar with the catalytic converter, but they're not perfect, and they're not applied to vehicles that run on leaded fuel. Some vehicle types, such as SUVs and trucks, also have less strict emissions standards.
Finally, CCs don't do much for that plume of oil smoke my car emits after a day of soaking in the cold winter.
The main obstacle with ANY sort of 'scrubber' (incl. the cat converter) is impeding the exhaust flow and thus reducing the engine's power. The device you're alluding to would have to basically do more than the cat converter and yet be at most as obstructive for anyone to consider it.
True. However, I'm not sure how existing scrubbers work; I think it has something to do with passing the the gasses through a spray of water.
I have to think that such a scrubber would muffle any sounds that were passing through the gas before it reached the device. I also think that existing car mufflers increase the backpressure of the exhaust. Perhapse the muffler could be replaced by a dual-purpose muffler/scrubber?