| 简介 |
PROBLEM TO BE SOLVED : To provide a NOx reduction catalyst, a NOx reduction catalyst system and a NOx reduction method which have high NOx treating capacity even at low temperature.
SOLUTION : The NOx reduction catalyst 5 for reducing a NOx in a gas to be treated comprises a catalyst carrier containing at least one oxide selected from the group consisting of Al2O3, TiO2, ZrO2 and a zeolite, at least one NOx adsorbing constituent selected from the group consisting of an alkali metal, an alkali earth metal and a rear earth, and at least one NOx cleaning constituent selected from the group consisting of V, Fe, Ce, and La.
COPYRIGHT : (C)2008, JPO&INPIT |
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