Air Pollution Control Equipment Selection Guide, 3rd Edition

5

Electrostatic Precipitators

Bob Taylor

BHA Group, Inc., Kansas City, Missouri

5.1 Device Type

Electrostatic precipitators are used for the purpose of removing dry particulate matter from gas streams. They basically apply an electrostatic charge to the particulate and provide sufficient surface area for that particulate to migrate to the collecting plate and be captured. The collecting plates are rapped periodically to disengage the collected particulate into a receiving hopper.

5.2 Typical Applications and Uses

Dry electrostatic precipitators are used to remove particulate matter from flue gas streams exiting cement kilns, utility and industrial power boilers, catalytic crackers, paper mills, metals processing, glass furnaces, and ...