Air Pollution Control System

The APCS provides an apparatus for removing both acid gases and particulates from a gas stream such as the exhaust gases of an incinerator. The input gas must be dry and cooled to 400°F or below. This is done in the Quencher unit.

Exiting the quencher, the input gas stream enters a flow divider box and is split into two streams and is directed horizontally into the top of a dry sorbant injection (DSI) chamber. Powdered hydrated lime is sprayed into the chamber at the same point along with the gas stream and mixed while falling the length of the DSI chamber, reacting and neutralizing acid gases. At the bottom of the DSI chamber, the gas stream with its entrained lime enters a hopper then rises into the bag chamber where it is forced through the wall of a bag, leaving any particulate matter, including the entrained lime, on the exterior surface of the bag. A common plenum chamber at the top of the bag chamber collects all of the cleaned gas. An ID fan then draws the cleaned gas out of the plenum chamber through an output pipe and directs it to the stack. Spent lime salts and particulate matter is removed periodically.

Aseptic Services Inc., 85 South 1380 West, Lindon, UT 84042. Tel: 520-323-5553; Fax: 520-323-6072.