On December 11, the flue gas desulfurization project for Unit 9 at Hebei Xingtai Power Generation Company successfully completed its 168-hour trial operation. The desulfurization system is now officially in operation. After the desulfurization process, the flue gas appears as a light mist against the blue sky, creating a visually cleaner image. Additionally, high-quality gypsum produced during the process is being recycled and used as construction material, contributing to resource efficiency.
The desulfurization project for Unit 9 is a key energy-saving and environmental protection initiative for the company. It utilizes limestone-gypsum wet desulfurization technology, with one tower per boiler, ensuring 100% flue gas desulfurization. The system is designed to achieve a desulfurization efficiency of over 95%, with a system availability rate exceeding 98%. During the construction phase, the company collaborated closely with contractors and supervisors to overcome challenges such as a difficult construction environment, ultimately completing the project on time.
Once fully operational, the desulfurization facilities for Unit 9 are expected to reduce sulfur dioxide emissions by approximately 7,500 tons annually. This will significantly improve air quality in Xingtai and contribute to better environmental conditions across Hebei Province, supporting sustainable economic growth. The project also marks a major milestone in the company’s efforts to enhance the local ecological environment and establish a clean, green power plant.
Shi Chenghui, the company's deputy general manager, shared some insights: the investment in desulfurization for Units 8 and 9 alone reached 195 million yuan. Desulfurization technology accounted for 18% of the total unit investment, and each kilowatt-hour of electricity generated added an extra 0.015 yuan in cost. While this represents a significant financial burden, the project is considered to have more costs than immediate returns. However, the long-term social and environmental benefits are immeasurable, reflecting the company’s commitment to sustainability and responsible development.
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