Electrostatic Precipitator (ESP)
LeeAnn Yao 9C
Frederick G. Cottrell
Inventor of the electrostatic precipitator
Smokestack
Electrostatic precipitators aim to reduce pollutants and contaminants emitted from heavy industries
ESP
General direction of gas movement in an ESP
History Overview
At the time, many companies were faced with strict new regulations for air pollution control. The electrostatic precipitator was a rapidly increasing success that was adopted by ore smelters, coal-burning plants, and cement industries as it was very effective for reducing pollution from smokestacks. The electrostatic precipitator was capable of minimizing the emission of harmful by-products such as sulfuric acid, smoke, and ash produced by these heavy industries. It collects approximately 99 percent of the pollutants in the gas stream that otherwise would have been released into our atmosphere (U.S. Environmental Protection Agency). Over 100 million tons of potentially harmful particles are collected by this device in the United States annually (Gale Science in Context).
The Electrostatic Precipitator
Ionization
Migration
Collection
Charge Dissipation
Particle Dislodging
Particle Removal
References
“Electrostatic Precipitator KnowledgeBase.” Neundorfer Particulate Knowledge. Neundorfer, Inc. Web. 11 Feb. 2013. http://www.neundorfer.com/knowledge_base/electrostatic_precipitators.aspx
"Frederick Gardner Cottrell." World of Invention. Gale, 2006. Gale Science In Context. Web. 9 Feb. 2013.
George S. Mill, W. O. Milligan, "Electrostatic precipitator," in AccessScience, ©McGraw-Hill Education, LLC, 2012, http://www.accessscience.com
“Particulates - Electrostatic Precipitators (ESPs).“ Air Pollution Control Orientation Course. U.S. Environmental Protection Agency, 29 Jan. 2010. Web. 11 Feb. 2013.
http://www.epa.gov/eogapti1/course422/ce6a1.html
Steven R. Hanna, Perry J. Samson, Michael P. Walsh, Wade H. Ponder, Norman Plaks, Charles B. Sedman, Craig N. Oren, "Air pollution," in AccessScience, ©McGraw-Hill Education, LLC, 2012, http://www.accessscience.com
Images & Videos
http://www.britannica.com/EBchecked/media/9655/Cottrell
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