List of boiler emission standards in 2022

The following is a list of boiler emission standards commonly used in Chinese mainland in 2022:

Emission standard of sulfur dioxide (SO2) in boiler flue gas: the limit value is 35 mg/m3 (standard m3), and if flue gas desulfurization technology is adopted, the limit value is 50 mg/m3.

Emission standard of nitrogen oxides (nitrogen oxides) in boiler flue gas: According to different boiler types and fuel types, the emission limits are different. Taking a coal-fired boiler as an example, the emission limit of nitrogen oxides in boiler flue gas is 150mg/m3.

Emission standard of particulate matter (PM) in boiler flue gas: The emission limit is different according to different boiler types and fuel types. Taking a coal-fired boiler as an example, the emission limit of PM in boiler flue gas is 30mg/m3.

Emission standard of mercury in boiler flue gas: the limit value is 0.03mg/m3.

It should be noted that the emission standards of different regions and different types of boilers may be different, and the emission standards will be updated and upgraded over time. Therefore, specific boiler emission standards should be inquired and confirmed according to local and local relevant regulations.