Case study Replacement of existing fans The challenge Unit EV3 at Ensted Power Station, which was built in 1972, consists of a 660 MW PF fired boiler burning a wide range of imported coal where the content of sulphur varies from 1.4 to 2.6%. n order to comply with the rigorous national and international demands for removing sulphur oxides (SOx) and nitric oxides (NOx) both FGD and SCR were installed at the same time. These installations

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