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Catalytic Converter Configuration and Method for Desulfurizing a NOx Storage Catalytic Converter
Catalytic Converter Configuration and Method for Desulfurizing a NOx Storage Catalytic Converter
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机译:催化转化器配置和用于将NOx存储催化转化器脱硫的方法
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摘要
A catalytic converter configuration for an internal combustion engine that is capable of running lean has an exhaust gas duct and a NOx storage catalytic converter arranged in the exhaust gas duct. A novel method allows desulfurizing the NOx storage catalytic converter. An H2S storage catalytic converter is provided. This catalytic converter is capable of storing hydrogen sulfide under a rich or stoichiometric exhaust gas atmosphere with lambda≦1 and oxidizing hydrogen sulfide under a lean exhaust gas atmosphere with lambda1.
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机译:用于能够稀薄运行的内燃发动机的催化转化器构造具有废气管道和布置在废气管道中的NO x Sub>存储式催化转化器。一种新颖的方法可以使NO x Sub>存储催化转化器脱硫。提供了一种H 2 Sub> S存储催化转化器。该催化转化器能够在λ≤1的浓或化学计量的排气气氛下储存硫化氢,并在λ> 1的稀的排气气氛下氧化硫化氢。
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