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To study the effect of single metal oxides contained in coal ashes on NO reduction at high temperature, experiments and predictions for NO reduction were conducted in a drop-tube furnace at 1223 to 1523 K. The de-ashed chars used in experiments were prepared from Chinese Shenfu bituminous coal, and then a single catalyst (KOH or NaOH) was added into the de-ashed chars. Experimental and predicted results...
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