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公开(公告)号：US10920636B2
公开(公告)日：2021-02-16
申请号：US16173088
申请日：2018-10-29
Applicant: ExxonMobil Research and Engineering Company
Inventor： Brian M. P. Weiss , Shamel Merchant , Randall D. Partridge , Benjamin A. McCool , Ajit B. Dandekar , Herbert W. Barry
Abstract: Systems and methods are provided for performing selective catalytic reduction on engine exhaust using ethanol from the engine fuel as the reducing agent. Fuel from a fuel tank or other fuel source can be passed through a separation module to produce a fuel stream with a reduced ethanol content and an ethanol-enriched fraction. After combustion of fuel under lean conditions, the combustion exhaust can be exposed to a catalyst system in the presence of the ethanol-enriched fraction.
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