Patent · US Active

Treatment of combustion exhaust

US10920636B2 · kind B2 · utility

0Cited by

7References

11Claims

0Family size

Assignee

EXXONMOBIL RESEARCH AND ENGINEERING COMPANY · US

Inventors

Brian M. P. Weiss · Bound Brook, US
Shamel Merchant · Bound Brook, US
Randall D. Partridge · Califon, US
Benjamin A. McCool · Annandale, US
Ajit B. Dandekar · South Plainfield, US
Herbert W. Barry · Yardville, US

Key dates

Filing date	Oct 29, 2018
Grant date	Feb 16, 2021
Priority date	—
Expiry date	Jan 17, 2039

Classification

Technology area (CPC Y)Emerging Cross-Sectional Technologies
CPC primaryY02T10/12
WIPO fieldEnvironmental technology
WIPO sectorChemistry

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.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.