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The effect of disintegrated iron-ore pellet dust on deposit formation in a pilot-scale pulverized coal combustion furnace. Part II: Thermochemical equilibrium calculations and viscosity estimations⋆

Hamid Sefidari - No affiliation found

2018/11/01 Full-length article DOI: 10.1016/j.fuproc.2018.05.005 Journal: Fuel Processing Technology

Abstract:

Highlights•Addition of pellet dust reduces the liquidus temperature.•Interaction between coal ash and pellet dust at low temperatures is limited.•Addition of pellet dust increases the amount of liquid slag at high temperatures.•Pellet dust reduces the viscosity, hence formation of stronger deposits.•A sequential ash transformation scheme in iron-ore pelletizing was proposed.