air pollution

2 Articles

Electrostatic Precipitation in Pollution Control

Engineering and Technical Sciences

Electrostatic Precipitation: How Electric Fields Clean Air

Electrostatic precipitation removes fine particles from industrial gas streams by charging them with high-voltage electric fields and collecting them on metal plates.

March 21, 2026

Chemistry and Materials Sciences

Catalytic Converter: How Precious Metals Clean Exhaust

A catalytic converter uses platinum, palladium, and rhodium to transform toxic exhaust gases into less harmful emissions through oxidation and reduction reactions.

March 21, 2026