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Fredrick Cottrell
By Mary Bellis

 "The Cottrell process is widely used for dust and smoke control in many urban and industrial areas. This process, devised by an American, Frederick Cottrell (1877-1948), takes advantage of the fact that the particulate matter in dust and smoke is electrically charged." - Foundations of College Chemistry, Hein and Arena, 1993.

Frederick G. Cottrell
Inventor of an electrostatic precipitator called the 'Cottrell' which removed particles/pollution smoke or gases (in smokestacks) - National Inventors Hall of Fame.

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