What pollution control device is used to safely burn excess process gases that cannot be recovered, before they are released into the atmosphere?
A. Flare systems
B. Baghouses
C. Coal gasification
D. Electrostatic precipitators
A. Correct. Flare systems are used to safely burn excess process gases that cannot be recovered, before they are released into the atmosphere.
B. Incorrect. Baghouses consist of fabric or bag filter tubes, envelopes, or cartridges designed to capture, separate, or filter particulates as the effluent gas stream passes through them.
C. Incorrect. In coal gasification, coal is converted from a solid to a gaseous state before being burned in power plants to produce electricity.
D. Incorrect. Electrostatic precipitators contain positively charged collecting plates and a series of negatively charged wires or electrodes.
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