THERMACT-SI, is a multifunctional thermo-active catalyst in powder form, to improve the combustion efficiency of coal. It is specially formulated for Sponge Iron Industry. It is added directly into the klin. Use of THERMACT-SI is primarily aimed at reducing the coal consumption as well as the rate of accretion. THERMACT-SI, is dosed from the injection side on the coal conveyor belt using screw feeder.