HONEYCOMB DENITRATION CATALYST FOR FLUE GAS AT 400°C-600°C AND PREPARATION METHOD THEREFOR

A honeycomb denitration catalyst for a flue gas at 400°C-600°C and a preparation method therefor. The honeycomb denitration catalyst comprises a catalyst coating and a honeycomb ceramic, wherein a slurry for the catalyst coating is made of components comprising the following mass percentages: 15%-25% of a zeolite, 5%-10% of γ-type alumina, 5%-10% of a catalyst auxiliary agent, 5% of a binder, and 50%-70% of deionized water. The honeycomb ceramic is dipped repeatedly into the above-mentioned slurry for the catalyst coating, and after the coating is completed, drying and calcining are performed to obtain the catalyst. The honeycomb denitration catalyst contains a catalytic auxiliary agent, and has excellent denitration activity at high temperature, sulphur-resistance and water-resistance, stability and NOX-removal property. La présente invention concerne un catalyseur de dénitration en nid d'abeilles pour un gaz de combustion à une température allant de 400 °C à 600 °C et son procédé de préparation. Le catalyse