Industrial Wet Scrubbers

Flue gas desulphurization (wet scrubbers) Flue Gas Desulphurization technology, commonly referred to as a "wet scrubber", is a proven and effective method for removing SO2 emissions from the exhaust of coal-fired power plants. During the combustion process, the sulfur naturally present in the coal combines with the oxygen in the combustion air to form SO2. The SO2 is captured and removed by bubbling the exhaust gas through a mixture of lime or limestone and water before the exhaust gas is released into the atmosphere. Wet scrubbers are typically designed to remove 95% or more of the SO2 from the exhaust gas, leaving the white plume water vapor that is commonly seen exiting the stack.

Our FGD Fabrication Capabilities

Because of the caustic environment within a scrubber, the flues are typically fabricated with the use of stainless steel and high-nickel alloys. SEPW has invested considerable resources in our structural steel fabrication capabilities to include a segregated alloy fabrication bay in our Pawnee facility, substantial QA/QC oversight of these projects, and dedicated tooling, only used for steel alloy fabrication.

Additionally, wet scrubbers require inlet and outlet ductwork which may be fabricated from carbon steel, stainless steel, or some mixture of the two. Usually the tie-in ductwork will rival the scrubber itself in the tonnage.

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