Experimental study on no heterogeneous reduction by char

The NO heterogeneous reduction by char is one of the most prominent options to control NOx emissions from coal-fired power plants. Experiments on char-NO reaction were carried out in an electrically heated fixed-bed reac-tor investigate effect temperature, type char, pretreatment method, additives and atmosphere capacity char. re-sults showed that temperature plays a crucial role differ-ent kinetic analysis controlled chemical below Tt diffusion above Tt. value transition depends types ranges 600?C 800?C. synergistic specific surface area, mineral abun-dance reactivity combine result efficiencies different Oxygen has promoting reaction, oxygen content peak moves low with in-creasing temperature. At 1050 ?C, denitrification efficiency at 0.25% O2 con-tent 12.7% higher than under oxygen-free conditions. high tempera-tures, promotion CO inhi-bition CH4 more obvious.