| 摘要 |
PURPOSE: To obtain a catalyst having activity and selectivity free from being affected even in the presence of sulfur dioxide by carrying a vanadium (III) compound on a SiO2 carrier and converting the vanadium (III) into V2 O5 . CONSTITUTION: In the production of the catalyst used for a ammonia catalytic reduction method of nitrogen oxide, the V (III) compound is applied on the SiO2 carrier material and is converted to V2 O5 . At the same time, titanium (III) is converted to titanium (IV). The resultant catalyst obtained in the manner exhibits excellent activity and selectivity for the reaction of nitrogen oxide with ammonia and the oxidation of ammonia for forming nitrogen molecule at a higher temp. |
