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BRPI0810133A2 - Método para converter óxidos de nitrogênio de um gás em nitrogênio, sistema de escapamento para um motor de combustão interna de queima pobre veicular, e, aparelho - Google Patents

Método para converter óxidos de nitrogênio de um gás em nitrogênio, sistema de escapamento para um motor de combustão interna de queima pobre veicular, e, aparelho

Info

Publication number
BRPI0810133A2
BRPI0810133A2 BRPI0810133-7A2A BRPI0810133A BRPI0810133A2 BR PI0810133 A2 BRPI0810133 A2 BR PI0810133A2 BR PI0810133 A BRPI0810133 A BR PI0810133A BR PI0810133 A2 BRPI0810133 A2 BR PI0810133A2
Authority
BR
Brazil
Prior art keywords
combustion engine
internal combustion
exhaust system
nitrogen gas
nitrogen oxides
Prior art date
Application number
BRPI0810133-7A2A
Other languages
English (en)
Inventor
Paul Joseph Andersen
Jillian Elaine Collier
John Leonello Casci
Hai-Ying Chen
Joseph Michael Fedeyko
Rodney Kok Shin Foo
Raj Rao Rajaram
Original Assignee
Johnson Matthey Plc
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=38814668&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=BRPI0810133(A2) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Johnson Matthey Plc filed Critical Johnson Matthey Plc
Publication of BRPI0810133A2 publication Critical patent/BRPI0810133A2/pt
Publication of BRPI0810133B1 publication Critical patent/BRPI0810133B1/pt

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    • B01D53/92—Chemical or biological purification of waste gases of engine exhaust gases
    • B01D53/94—Chemical or biological purification of waste gases of engine exhaust gases by catalytic processes
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    • B01D53/9409—Nitrogen oxides
    • B01D53/9413—Processes characterised by a specific catalyst
    • B01D53/9418—Processes characterised by a specific catalyst for removing nitrogen oxides by selective catalytic reduction [SCR] using a reducing agent in a lean exhaust gas
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    • B01J29/87—Gallosilicates; Aluminogallosilicates; Galloborosilicates
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J35/00—Catalysts, in general, characterised by their form or physical properties
    • B01J35/50—Catalysts, in general, characterised by their form or physical properties characterised by their shape or configuration
    • B01J35/56—Foraminous structures having flow-through passages or channels, e.g. grids or three-dimensional monoliths
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A50/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE in human health protection, e.g. against extreme weather
    • Y02A50/20—Air quality improvement or preservation, e.g. vehicle emission control or emission reduction by using catalytic converters
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02C—CAPTURE, STORAGE, SEQUESTRATION OR DISPOSAL OF GREENHOUSE GASES [GHG]
    • Y02C20/00—Capture or disposal of greenhouse gases
    • Y02C20/10—Capture or disposal of greenhouse gases of nitrous oxide (N2O)
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00—Road transport of goods or passengers
    • Y02T10/10—Internal combustion engine [ICE] based vehicles
    • Y02T10/12—Improving ICE efficiencies

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BRPI0810133-7A 2007-04-26 2008-04-24 Método para converter óxidos de nitrogênio de um gás em nitrogênio, sistema de escapamento para um motor de combustão interna de queima pobre veicular, e, aparelho BRPI0810133B1 (pt)

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