'Cyclone' device cleans diesel exhaust

July 17, 1998

Inspired by the Dyson vacuum cleaner, students at the University of Hull have designed a device that removes tiny soot particles from diesel exhausts. The device relies on a "cyclone" to separate the particulates from the rest of the exhaust gases.

Particulates from diesel engines are thought to be responsible for the early deaths of up to 10,000 people in England and Wales each year. The device removes up to half of the particulates and could be included as an integral part of future exhaust pipes.

More tests need to be done, but the researchers hope that a cheap cyclone-based exhaust system will have the potential for use in the motor industry soon.

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