LABSORBTM : a
regenerative approach
a wet process that
absorbs SO2 via a
recyclable solution (“buffer”)
Stack
Absorber/
Scrubber
Buffer
regeneration
system
Clean
flue
gas
Flue
gas
from
Boiler
Lean buffer
(regenerated)
Rich (SO2) buffer
Purge stream
To Waste Water Treatment
Solid waste
To Disposal
Buffer makeup
Water
makeup
SO2 to Sulfur Recovery
Unit
or
Sulfuric Acid Plant or
SO2 Compressor
or
Disposal