Life of V<SUB>2</SUB>O<SUB>5</SUB>-TiO<SUB>2</SUB> Catalyst for the NOx Reduction with NH<SUB>3</SUB> in Flue Gas from Oil Fired Boiler
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The 12, 000h life test of the V<SUB>2</SUB>O<SUB>5</SUB>-TiO<SUB>2</SUB> catalyst for reduction of NOx with NH<SUB>3</SUB> has been investigated in real flue gases containing high concentration of SOx from oil-fired boiler on a pilot plant. Steady activities over 90% of NOx reduction were achieved for 12, 000h at 350°C (space velocity: 8, 000h<SUP>-1</SUP>). On the other hand, when the catalysts were taken out of the reactor in certain periods and examined by means of a laboratory reactor at 250-450°C, the activities of catalysts decreased with reaction time at lower temperatures (250-300°C) and higher temperature (450°C). It was observed that SOx in flue gas affected their catalytic activities than the other dust components. The characterization of used catalyst was also examined by means of X-ray photoelectron spectrometer.
- 一般社団法人 日本エネルギー学会の論文
一般社団法人 日本エネルギー学会 | 論文
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