Unit 1 at Hitachinaka Power Station, which is the newest 1,000MW coal fired power station of Tokyo Electric Power Co., Inc., entered into the commercial operation in December 2003. IHI (Ishikawajima-Harima Heavy Industries Co., Ltd.) constructed the flue gas treatment system with the state-of-the-art technology and low emission values. To meet demands for both reducing construction cost and high performance, IHI applied a single rectangular Absorber based on the simultaneous desulfurization and oxidation method, Nonleakage type Gas-Gas Heater (GGH) and Electrostatic Precipitator (ESP) at low-low temperature position. Unit 1 at Mizue Power Station of GENEX Co., Ltd., which is one of the independent power produces, entered into the commercial operation in June 2003. In this plant, IHI applied a high performance spray tower Absorber and wet type Electrostatic Precipitator (ESP) to meet the high desulfurization efficiency for vacuum residue oil firing and extremely rigorous regulation owing to location near the metropolitan area.

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