alternate file EENVI101-Air Pollution

alternate file EENVI101-Air Pollution - Air Pollution 2...

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Air Pollution – 2 Particulate Arrestors Scrubber Systems Shalom Brian R. Mercader
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Learning Objectives Discuss the various air pollution control systems 1. Particulate arrestors – Electrostatic Precipitators – Baghouse systems 2. Scrubbers (wet and dry)
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Electrostatic Precipitators • An electrostatic precipitator ( ESP ), or electrostatic air cleaner is a particulate collection device that removes particles from a flowing gas (such as air) using the force of an induced electrostatic charge . Electrostatic precipitators are highly efficient filtration devices that minimally impede the flow of gases through the device, and can easily remove fine particulate matter such as dust and smoke from the air stream.
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Baghouse Systems • The Baghouse is a generic name for Air Pollution Control Equipment (APC) that is designed around the use of engineered fabric filter tubes, envelopes or cartridges in the dust capturing, separation or filtering process.
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Baghouse Systems Applications • Foundry and steel operations • Pharmaceutical producers • Food manufacturers. • Chemical producers.
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Baghouse Systems
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Sulfur oxides include Sulfur oxides include sulfur dioxide sulfur dioxide (SO (SO 2 ), ), sulfur sulfur trioxide trioxide (SO (SO 3 ), and ), and sulfuric acid sulfuric acid (H (H 2 SO SO 4 ). ). Combustion of fossil fuels for generation of electric power is clearly the primary contributor of sulfur dioxide emissions. Industrial processes, such as nonferrous metal smelting, also contribute to sulfur dioxide emissions.
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Sulfur dioxide and sulfuric acid are formed during the combustion of fuel or waste that contains sulfur compounds. Sulfur oxides can also be released from chemical reactors and sulfuric acid plants. The sulfur in the fuel or waste being fired enters the combustion process in a variety of chemical forms including but not limited to inorganic sulfates, organic sulfur compounds, and pyrites.
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www. epa.gov /eogapti1/module6/ sulfur / control / control .htm
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This note was uploaded on 08/24/2011 for the course CAS asd taught by Professor Asdads during the Spring '11 term at Mapúa Institute of Technology.

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alternate file EENVI101-Air Pollution - Air Pollution 2...

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