摘要:
A catalyst for reducing nitrogen oxides from an exhaust gas containing the same in an oxygen rich atmosphere comprising (i) a zeolite having a molar ratio of SiO₂/Al₂O₃ of at least 10, (ii) copper, and (iii) a rare earth ion, an alkaline earth metal and/or a valence variable metal.
摘要翻译:一种用于在富氧气氛中从含有它们的废气中还原氮氧化物的催化剂,其包括(i)SiO 2 / Al 2 O 3的摩尔比为至少10的沸石,(ii)铜,和(iii)稀土离子 ,碱土金属和/或价数可变金属。
摘要:
A method for purifying an exhaust gas containing an excess amount of oxygen is described, wherein a catalyst is brought into contact with the exhaust gas to remove nitrogen oxides, carbon monoxide and hydrocarbons from the exhaust gas, said catalyst comprises:
(i) a zeolite having a molar ratio of SiO₂/Al₂O₃ of at least 10; and (ii) at least one copper ion and at least one kind of rare earth ion loaded thereon.
摘要翻译:描述了一种净化含有过量氧气的废气的方法,其中使催化剂与废气接触以从废气中除去氮氧化物,一氧化碳和烃,所述催化剂包括:(i)沸石 SiO 2 / Al 2 O 3的摩尔比至少为10; 和(ii)负载有至少一种铜离子和至少一种稀土离子。