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高炉煤气源头精脱硫技术助钢铁行业绿色转型
Ke Ji Ri Bao·2025-09-23 01:28

Core Viewpoint - China Aluminum Environmental Protection Group has successfully developed a new desulfurization technology for blast furnace gas, which significantly reduces sulfur dioxide emissions and supports the green transformation of the steel industry [1][2] Group 1: Technology Development - The company, in collaboration with its subsidiary Beijing Aluminum Energy Clean Environment Technology Co., has addressed the technical challenges of desulfurization at the source of blast furnace gas [1] - The new technology achieves a sulfur dioxide emission concentration of no more than 30 milligrams per cubic meter, which is below the national ultra-low emission standard of 50 milligrams per cubic meter [1] Group 2: Innovation in Processes - The company has innovatively chosen a source desulfurization approach, utilizing its resources in the alumina sector to develop a core reagent system based on red mud and alumina [2] - A two-stage dry desulfurization equipment system has been developed, which can intelligently adjust gas temperature, humidity, and flow to maintain optimal desulfurization performance [2] Group 3: Environmental and Economic Benefits - The new desulfurization process is simpler than traditional methods, producing no wastewater or chemical waste, and reduces operational costs by over 20% compared to conventional methods [2] - The technology contributes to energy savings and reduces consumption significantly, aiding in the clean utilization of blast furnace gas [2]