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Performance/Technology

With the increasing shortage of coking coal resources, developing a new process of non-blast furnace ironmaking with coal instead of coke is an important means to reduce costs and increase efficiency in ironmaking. The one-step smelting reduction researched and developed by CISRI adopts the direct smelting of fine ores and pulverized coals, which saves the pre-iron agglomeration and coking processes, and the total capital construction cost is significantly lower than that of the blast furnace ironmaking method. One of the new generation low-carbon green smelting technologies researched and developed by CISRI is to achieve energy conservation, emission reduction and consumption reduction by injecting coke oven gas.