한국전력기술

A flue gas desulfurizer (FGD) is a facility that removes sulfur oxides, which are the main causes of acid rain and respiratory and skin diseases. Sulfur oxide reduction technology is largely divided into wet and dry desulfurization, with wet desulfurization (Wet FGD) accounting for approximately 87% of the total global usage The wet lime-gypsum FGD system is widely used due to its excellent desulfurization removal efficiency, facility reliability, and economic feasibility.

The Korea Electric Power Absorption Reactor (KEPAR), an FGD developed by KEPCO E&C,  features a unique gas bed perforated plate desulfurization absorption tower design.

A flue gas denitrification facility (DeNOx system) removes nitrogen oxides, the main cause of acid rain and photochemical smog. Nitrogen oxide reduction technology can be divided into pre-combustion denitrification, combustion condition improvement, and post-combustion denitrification. The removal efficiency of the improvement in pre-combustion denitrification and combustion conditions does not exceed a maximum of 60%, and therefore, most flue gas denitrification facilities in power plants using fossil fuels use post-combustion denitrification that offers high denitrification efficiency. Among these, selective catalytic reduction (SCR) is widely used worldwide due to its excellent denitrification efficiency and high reliability.

Starting with the design of flue gas denitrification facilities at the Seoul Thermal Power Plant, KEPCO E&C has successfully carried out design and construction supervision services for flue gas denitrification facilities at most power plants in Korea, as they holdthe highest level of denitrification facility design capabilities in the country.