作者: Kozo Iida , Chris E. DiFrancesco
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摘要: The present invention provides compositions, systems, and methods for achieving high efficiencies of nitrogen oxide (NOx) removal from exhaust gases while minimizing ammonia slip sulfur dioxide oxidation. In one embodiment, a method removing oxides an gas comprises providing first catalyst layer, adding ammonia-containing compound to the upstream layer in excess stoichiometric equivalent gas, flowing through selectively catalytically decomposing reaction reducing by with not decomposed.