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The most important feature of fluidized bed ironmaking process is that the fine iron ore can be directly used without any sintering or pelleting processes, which can save 25–30 US dollars/ton of iron in raw material cost and reduce the cost of sponge iron by 25%.1) It is reported that the FIOR method using fluidized beds cost only half of the material cost of the MIDREX method using a shaft furnace.2) The iron ore fines have a large specific surface area. During the fluidization reduction process, the particles continuously fluidize and collide under the agitation of the gas stream, and the gas-solid phases get good contact, which accelerates the heat and mass transfer and chemical reaction speed between the particles and the fluid. The flow of fluidized particles can move like liquids, which provides conditions for continuous operation and automatic control of the fluidized bed. In addition, this direct reduction ironmaking process also has outstanding advantages in terms of economy and environmental protection. Economical: The fluidized bed ironmaking process has a clear advantage in fixed asset investment and production cost compared to the blast furnace process. According to the introduction of FINEX process from official Siemens, a FINEX plant with an annual output of 1.5 million tons is more cost effective than a blast furnace ironworks with an annual output of 3 million tons. If the oxygen production process and power plant process A Review on Prevention of Sticking during Fluidized Bed Reduction of Fine Iron Ore