A Boiler flue gas scrubber, often referred to as a flue gas desulfurization (FGD) system, is a technology used to remove pollutants, primarily sulfur dioxide (SO2), from the exhaust gases generated by industrial boilers, power plants, and other combustion sources. The primary purpose of a boiler flue gas scrubber is to reduce air pollution and comply with environmental regulations.

Boiler flue gas scrubber working process:

1.Gas Absorption: Flue gas containing pollutants, such as SO2, is directed through a contactor or absorber vessel.

2.Absorbent Solution: In the absorber, the flue gas comes into contact with an absorbent solution, usually a liquid slurry or a chemical reagent. The most common absorbent is limestone (calcium carbonate), which reacts with the SO2 to form calcium sulfite or sulfate.

3.Chemical Reaction: The chemical reaction between the absorbent and SO2 converts the sulfur dioxide into a less harmful compound. This reaction is typically represented as follows:

SO2 + CaCO3 (limestone) -> CaSO3 (calcium sulfite) + CO2

4.Removal of Solid Byproducts: The calcium sulfite or sulfate formed in the reaction is separated from the absorbent solution in a solid-liquid separation unit. The remaining liquid can be recirculated for further use.

5.Waste Disposal: The solid byproducts are typically treated as waste and disposed of or used in other applications.

A Boiler flue gas scrubber, often referred to as a flue gas desulfurization (FGD) system, is a technology used to remove pollutants, primarily sulfur dioxide (SO2), from the exhaust gases generated by industrial boilers, power plants, and other combustion sources. The primary purpose of a boiler flue gas scrubber is to reduce air pollution and comply with environmental regulations.

Boiler flue gas scrubber working process:

1.Gas Absorption: Flue gas containing pollutants, such as SO2, is directed through a contactor or absorber vessel.

2.Absorbent Solution: In the absorber, the flue gas comes into contact with an absorbent solution, usually a liquid slurry or a chemical reagent. The most common absorbent is limestone (calcium carbonate), which reacts with the SO2 to form calcium sulfite or sulfate.

3.Chemical Reaction: The chemical reaction between the absorbent and SO2 converts the sulfur dioxide into a less harmful compound. This reaction is typically represented as follows:

SO2 + CaCO3 (limestone) -> CaSO3 (calcium sulfite) + CO2

4.Removal of Solid Byproducts: The calcium sulfite or sulfate formed in the reaction is separated from the absorbent solution in a solid-liquid separation unit. The remaining liquid can be recirculated for further use.

5.Waste Disposal: The solid byproducts are typically treated as waste and disposed of or used in other applications.