Method and apparatus to enhance fractional efficiency of diesel and gasoline particulate filters

An exhaust aftertreatment system for increasing fractional efficiency of diesel or gasoline particulate filters includes a particulate filter that includes a housing and a filter substrate positioned in the housing. The filter substrate is pre-conditioned with an aqueous solution or suspension confi...

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Bibliographische Detailangaben
Hauptverfasser: Liu, Z. Gerald, Clerc, James C, Schmidt, Niklas M, Su, Changsheng C, Dontha, Ramakrishna Gopal, Ottinger, Nathan A, Wang, Yujun, McDonald, Jr., A. Carl
Format: Patent
Sprache:eng
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Zusammenfassung:An exhaust aftertreatment system for increasing fractional efficiency of diesel or gasoline particulate filters includes a particulate filter that includes a housing and a filter substrate positioned in the housing. The filter substrate is pre-conditioned with an aqueous solution or suspension configured to decompose or evaporate in response to exposure to heat so as to precondition the filter substrate.