Retrofitting of an SCR system to a blast furnace gas boiler
thyssenkruppSteel Europe AG operates the gas-fired power plant “Hermann Wenzel” at the Ruhrortlocation, with a total of four units with different steam generating capacity.
Due to future legal requirements, Unit IV will now be retrofitted for low-NOx operation.
The nitrogen oxide removal efficiency achieved by the SCR system will ensure that the con-centrationof NOx in the cleaned gas will safely stay below a daily average value of 100 mg/Nm³ at 3% O2in the dry flue gas.
Conwico engineers, controls and monitors delivery, field erection and commissioning of all equipment necessary for achieving the required NOX values of the boiler system.
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