FR2907026B1 - SYSTEM FOR TREATING NITROGEN OXIDES WITH AN AMMONIA TRAPPING SYSTEM - Google Patents

SYSTEM FOR TREATING NITROGEN OXIDES WITH AN AMMONIA TRAPPING SYSTEM

Info

Publication number
FR2907026B1
FR2907026B1 FR0654253A FR0654253A FR2907026B1 FR 2907026 B1 FR2907026 B1 FR 2907026B1 FR 0654253 A FR0654253 A FR 0654253A FR 0654253 A FR0654253 A FR 0654253A FR 2907026 B1 FR2907026 B1 FR 2907026B1
Authority
FR
France
Prior art keywords
nitrogen oxides
treating nitrogen
ammonia trapping
ammonia
trapping system
Prior art date
Legal status (The legal status 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 status listed.)
Expired - Fee Related
Application number
FR0654253A
Other languages
French (fr)
Other versions
FR2907026A1 (en
Inventor
Alain Sassi
Arnaud Audouin
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
PSA Automobiles SA
Original Assignee
Peugeot Citroen Automobiles SA
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
Application filed by Peugeot Citroen Automobiles SA filed Critical Peugeot Citroen Automobiles SA
Priority to FR0654253A priority Critical patent/FR2907026B1/en
Publication of FR2907026A1 publication Critical patent/FR2907026A1/en
Application granted granted Critical
Publication of FR2907026B1 publication Critical patent/FR2907026B1/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D53/00—Separation 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, aerosols
    • B01D53/34—Chemical or biological purification of waste gases
    • 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
    • B01D53/9404—Removing only nitrogen compounds
    • B01D53/9409—Nitrogen oxides
    • B01D53/9431—Processes characterised by a specific device
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D53/00—Separation 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, aerosols
    • B01D53/34—Chemical or biological purification of waste gases
    • B01D53/74—General processes for purification of waste gases; Apparatus or devices specially adapted therefor
    • B01D53/86—Catalytic processes
    • B01D53/90—Injecting reactants
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
    • F01N3/00—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust
    • F01N3/08—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous
    • F01N3/10—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by thermal or catalytic conversion of noxious components of exhaust
    • F01N3/18—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by thermal or catalytic conversion of noxious components of exhaust characterised by methods of operation; Control
    • F01N3/20—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by thermal or catalytic conversion of noxious components of exhaust characterised by methods of operation; Control specially adapted for catalytic conversion ; Methods of operation or control of catalytic converters
    • F01N3/2066—Selective catalytic reduction [SCR]
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
    • F01N2570/00—Exhaust treating apparatus eliminating, absorbing or adsorbing specific elements or compounds
    • F01N2570/18—Ammonia
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
    • F01N2610/00—Adding substances to exhaust gases
    • F01N2610/02—Adding substances to exhaust gases the substance being ammonia or urea
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
    • F01N2610/00—Adding substances to exhaust gases
    • F01N2610/06—Adding substances to exhaust gases the substance being in the gaseous form
    • 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
    • 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
FR0654253A 2006-10-13 2006-10-13 SYSTEM FOR TREATING NITROGEN OXIDES WITH AN AMMONIA TRAPPING SYSTEM Expired - Fee Related FR2907026B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR0654253A FR2907026B1 (en) 2006-10-13 2006-10-13 SYSTEM FOR TREATING NITROGEN OXIDES WITH AN AMMONIA TRAPPING SYSTEM

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR0654253A FR2907026B1 (en) 2006-10-13 2006-10-13 SYSTEM FOR TREATING NITROGEN OXIDES WITH AN AMMONIA TRAPPING SYSTEM

Publications (2)

Publication Number Publication Date
FR2907026A1 FR2907026A1 (en) 2008-04-18
FR2907026B1 true FR2907026B1 (en) 2009-05-15

Family

ID=38042824

Family Applications (1)

Application Number Title Priority Date Filing Date
FR0654253A Expired - Fee Related FR2907026B1 (en) 2006-10-13 2006-10-13 SYSTEM FOR TREATING NITROGEN OXIDES WITH AN AMMONIA TRAPPING SYSTEM

Country Status (1)

Country Link
FR (1) FR2907026B1 (en)

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE59202165D1 (en) * 1992-05-08 1995-06-14 Siemens Ag Device for the denitrification of exhaust gas from an internal combustion engine.
DE19728343C5 (en) * 1997-07-03 2013-02-21 Robert Bosch Gmbh Process and apparatus for selective catalytic NOx reduction
JP3580163B2 (en) * 1998-06-04 2004-10-20 トヨタ自動車株式会社 Exhaust gas purification device for internal combustion engine
WO2003018177A1 (en) * 2001-08-18 2003-03-06 Robert Bosch Gmbh Method and device for storing and dosing a reducing agent
DE10251472A1 (en) * 2002-11-06 2004-05-19 Robert Bosch Gmbh Reduction of automotive nitrous oxide emissions during cold start comprises supplementary injection of ammonia from holding reservoir
US7849674B2 (en) * 2003-09-19 2010-12-14 Nissan Diesel Motor Co., Ltd. Exhaust emission purifying apparatus for engine

Also Published As

Publication number Publication date
FR2907026A1 (en) 2008-04-18

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Legal Events

Date Code Title Description
PLFP Fee payment

Year of fee payment: 11

PLFP Fee payment

Year of fee payment: 12

CA Change of address

Effective date: 20180312

CD Change of name or company name

Owner name: PEUGEOT CITROEN AUTOMOBILES SA, FR

Effective date: 20180312

PLFP Fee payment

Year of fee payment: 13

PLFP Fee payment

Year of fee payment: 14

ST Notification of lapse

Effective date: 20210605