"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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