Many power stations burn fossil fuels such as coal and oil. Smoke is produced when these fuels burn. Smoke comprises tiny solid particles, such as unreacted carbon, which can damage buildings and cause breathing difficulties. To avoid this, the smoke is removed from waste gases before they pass out of the chimneys. The electrostatic precipitator is the device used for this job.
- Smoke particles pick up a negative charge.
- Smoke particles are attracted to the collecting plates.
- Collecting plates are knocked to remove the smoke particles.
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