| 21. | Some of the first recovery units employed the use of Cottrell s electrostatic precipitator for dust recovery.
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| 22. | Moreover, smoke and dust released through electrostatic precipitators, which used to cause less air pollution.
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| 23. | Electrostatic precipitators solve this problem somewhat by drawing particle-laden air past collector plates in the unit.
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| 24. | The Friedrich C-90A, an electrostatic precipitator, was top rated in Consumer Reports in 1992.
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| 25. | And they, in turn, would buy precipitators, scrubbers, and other machines that remove pollutants.
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| 26. | It was suitable for high-power applications, e . g . electrolysis cells and electrostatic precipitators.
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| 27. | The eight chimneys were demolished and electrostatic precipitators were added for the units when the large smokestack was built.
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| 28. | The low-voltage, two-stage precipitator is generally used for filtration in air-conditioning systems.
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| 29. | Within a year, all of the Board s investments had been repaid and the precipitator business was under way.
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| 30. | However, both Trenton units have electrostatic precipitators designed to capture 99 % of fly ash emissions from coal burning.
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