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1. IN7575/CHENP/2011 - PARTIAL FILTER SUBSTRATES CONTAINING SCR CATALYSTS AND EMISSION TREATMENT SYSTEMS AND METHODS OF TREATING ENGINE EXHAUST

Office
India
Application Number 7575/CHENP/2011
Application Date 18.10.2011
Publication Number 7575/CHENP/2011
Publication Date 11.03.2016
Grant Number 298461
Grant Date 03.07.2018
Publication Kind A
IPC
F01N 3/28
FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
01MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
NGAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL-COMBUSTION ENGINES
3Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust
08for rendering innocuous
10by thermal or catalytic conversion of noxious components of exhaust
24characterised by constructional aspects of converting apparatus
28Construction of catalytic reactors
B01D 53/94
BPERFORMING OPERATIONS; TRANSPORTING
01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
DSEPARATION
53Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases or aerosols
34Chemical or biological purification of waste gases
92of engine exhaust gases
94by catalytic processes
Applicants BASF CORPORATION
Inventors BOORSE, R. SAMUEL
VOSS, KENNETH, E.
DIETERLE, MARTIN
Priority Data 12765441 22.04.2010 US
61/171,567 22.04.2009 US
Title
(EN) PARTIAL FILTER SUBSTRATES CONTAINING SCR CATALYSTS AND EMISSION TREATMENT SYSTEMS AND METHODS OF TREATING ENGINE EXHAUST
Abstract
(EN)
Catalytic articles, methods and emissions treatment systems for treating an engine exhaust gas stream containing NOx and particulate matter are disclosed and include a particulate filter comprising a first SCR catalyst for NOx conversion disposed and 60% and an SCR catalyst loading in the range of 0.1 g/in3 - 3.5 g/in3.