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    • 10. 发明授权
    • Emission control system with an integrated particulate filter and selective catalytic reduction unit
    • 具有集成微粒过滤器和选择性催化还原装置的排放控制系统
    • US08448424B2
    • 2013-05-28
    • US12355402
    • 2009-01-16
    • Yinyan HuangChristine Kay Lambert
    • Yinyan HuangChristine Kay Lambert
    • F01N3/00
    • F01N3/2066F01N2250/02F01N2570/10F01N2570/14F01N2610/02Y02T10/24
    • The present invention relates to an emission control system for reducing gases from the exhaust of a combustion process. In at least one embodiment, the emission control system includes an exhaust passage for transporting the exhaust from the combustion process; a reductant disposed within exhaust passage downstream of the combustion process, and an integrated particulate filter and selective catalytic reduction unit disposed downstream of the reductant, with the unit having a first selective catalytic reduction catalyst disposed within a first inner wall portion of the exhaust passage; and a particulate filter disposed within a second inner wall portion of the exhaust passage downstream of the first inner wall portion. In at least one particular embodiment, the particulate fileter is coated with a second selective catalytic reduction catalyst.
    • 本发明涉及一种用于从燃烧过程的排气中还原气体的排放控制系统。 在至少一个实施例中,排放控制系统包括用于输送来自燃烧过程的废气的排气通道; 设置在燃烧过程下游的排气通道内的还原剂,以及设置在还原剂下游的集成微粒过滤器和选择性催化还原单元,该单元具有设置在排气通道的第一内壁部分内的第一选择性催化还原催化剂; 以及设置在第一内壁部下游的排气通路的第二内壁部内的微粒过滤器。 在至少一个具体实施方案中,颗粒絮状物涂覆有第二选择性催化还原催化剂。