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New air-quality control system starts up in China

| By Gerald Ondrey

Zhejiang Feida MHPS High Efficiency Flue Gas Cleaning System Engineering Co., Ltd. (FMH), the environmental equipment engineering joint-venture (JV) established in China by Mitsubishi Hitachi Power Systems, Ltd. (MHPS; Yokohama, Japan; www.mhps.com), has completed retrofit project and begun operations for a fluegas treatment system for Huadian Zouxian Power Co., a part of China Huadian Corp. The construction work was the first such order received by FMH and was completed in a short delivery time of seven months.

 The work involved modifications and additions to equipment such as electrostatic precipitator (ESP), fluegas desulfurization (FGD) and gas-gas heaters (GGH) at the Unit 8 (1 GW) of the Huadian Zouxian Power Plant in Shandong Province. This will remove SO2 (sulfur dioxide), dust contained in the boiler exhaust gas and also reduce concentrations. Prior to the start of operations, the system successfully completed 168 hours of continuous trial runs, as required under Chinese regulations. By raising the desulfurization rate to 98.8% and reducing the stack inlet dust concentration to about one-fifth of the previous level, the latest Chinese environmental regulatory requirements, especially more strict requirement named “almost zero emission requirement” for big cities, have been met, achieving significant reductions in environmental load. Huadian Zuoxian Power Co., Ltd. has also highly evaluated the system.

FMH is a 50/50 joint venture company between MHPS and Zhejiang Feida Environmental Science & Technology Co., Ltd. (FEIDA), a leading supplier of electrostatic precipitator in China, and began operations in March 2015. It aims to expand sales of High Efficiency AQCS (Air Quality Control System) products, which remove soot and dust such as PM 2.5, throughout China, utilizing technology from its parent companies.

China Huadian Corp. is one of China’s five largest electricity companies and quickly made a decision to adopt FMH’s High Efficiency AQCS system, which includes the latest MHPS technology. It is a leading company in the industry that is active in environmental measures.