FR3057020B1 - DEVICE FOR AFTER-TREATMENT OF THE EXHAUST GASES OF A THERMAL ENGINE - Google Patents

DEVICE FOR AFTER-TREATMENT OF THE EXHAUST GASES OF A THERMAL ENGINE Download PDF

Info

Publication number
FR3057020B1
FR3057020B1 FR1659498A FR1659498A FR3057020B1 FR 3057020 B1 FR3057020 B1 FR 3057020B1 FR 1659498 A FR1659498 A FR 1659498A FR 1659498 A FR1659498 A FR 1659498A FR 3057020 B1 FR3057020 B1 FR 3057020B1
Authority
FR
France
Prior art keywords
ammonia
catalytic reduction
selective catalytic
nitrogen oxides
exhaust gases
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.)
Active
Application number
FR1659498A
Other languages
French (fr)
Other versions
FR3057020A1 (en
Inventor
Alejandro Yarce
Faycal Souidi
Tallec Thomas Le
Dimitri Bastaert
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 FR1659498A priority Critical patent/FR3057020B1/en
Publication of FR3057020A1 publication Critical patent/FR3057020A1/en
Application granted granted Critical
Publication of FR3057020B1 publication Critical patent/FR3057020B1/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • 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
    • F01N13/00—Exhaust or silencing apparatus characterised by constructional features ; Exhaust or silencing apparatus, or parts thereof, having pertinent characteristics not provided for in, or of interest apart from, groups F01N1/00 - F01N5/00, F01N9/00, F01N11/00
    • F01N13/009—Exhaust or silencing apparatus characterised by constructional features ; Exhaust or silencing apparatus, or parts thereof, having pertinent characteristics not provided for in, or of interest apart from, groups F01N1/00 - F01N5/00, F01N9/00, F01N11/00 having two or more separate purifying devices arranged in series
    • 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
    • F01N3/105—General auxiliary catalysts, e.g. upstream or downstream of the main catalyst
    • F01N3/106—Auxiliary oxidation catalysts
    • 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
    • F01N3/2006—Periodically heating or cooling catalytic reactors, e.g. at cold starting or overheating
    • F01N3/2013—Periodically heating or cooling catalytic reactors, e.g. at cold starting or overheating using electric or magnetic heating means
    • 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
    • F01N3/2006—Periodically heating or cooling catalytic reactors, e.g. at cold starting or overheating
    • F01N3/2013—Periodically heating or cooling catalytic reactors, e.g. at cold starting or overheating using electric or magnetic heating means
    • F01N3/2026—Periodically heating or cooling catalytic reactors, e.g. at cold starting or overheating using electric or magnetic heating means directly electrifying the catalyst substrate, i.e. heating the electrically conductive catalyst substrate by joule effect
    • 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]
    • F01N3/208—Control of selective catalytic reduction [SCR], e.g. dosing of reducing agent
    • 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
    • F01N2240/00—Combination or association of two or more different exhaust treating devices, or of at least one such device with an auxiliary device, not covered by indexing codes F01N2230/00 or F01N2250/00, one of the devices being
    • F01N2240/16—Combination or association of two or more different exhaust treating devices, or of at least one such device with an auxiliary device, not covered by indexing codes F01N2230/00 or F01N2250/00, one of the devices being an electric heater, i.e. a resistance heater
    • 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
    • F01N2560/00—Exhaust systems with means for detecting or measuring exhaust gas components or characteristics
    • F01N2560/06—Exhaust systems with means for detecting or measuring exhaust gas components or characteristics the means being a temperature sensor
    • 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
    • F01N2900/00—Details of electrical control or of the monitoring of the exhaust gas treating apparatus
    • F01N2900/06—Parameters used for exhaust control or diagnosing
    • F01N2900/16—Parameters used for exhaust control or diagnosing said parameters being related to the exhaust apparatus, e.g. particulate filter or catalyst
    • F01N2900/1602—Temperature of exhaust gas apparatus
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Health & Medical Sciences (AREA)
  • Toxicology (AREA)
  • Materials Engineering (AREA)
  • Exhaust Gas After Treatment (AREA)

Abstract

L'invention porte sur un dispositif de post-traitement des gaz d'échappement d'un moteur thermique (M) qui comporte, d'amont en aval : • une embouchure d'un moyen d'introduction (2) d'ammoniac ou d'un précurseur d'ammoniac pour la réduction catalytique sélective des oxydes d'azote SCR ; • un organe catalyseur de réduction catalytique sélective SCR (3) sous forme d'un organe dédié à la catalyse de réduction catalytique sélective SCR (des oxydes d'azote NOx et/ou d'un filtre à particules (4) muni d'un revêtement catalyseur de réduction catalytique sélective SCRF des oxydes d'azote NOx • un organe de traitement des fuites d'ammoniac (5), tel que ledit organe de traitement des fuites d'ammoniac (5) est muni de moyens de purge d'ammoniac.The invention relates to a device for post-treatment of the exhaust gases of a heat engine (M) which comprises, from upstream to downstream: a mouth of an ammonia introduction means (2) or an ammonia precursor for the selective catalytic reduction of nitrogen oxides SCR; • an SCR selective catalytic reduction catalyst unit (3) in the form of a unit dedicated to the SCR selective catalytic reduction catalysis (nitrogen oxides NOx and / or a particulate filter (4) fitted with a SCRF selective catalytic reduction catalyst coating of nitrogen oxides NOx • an ammonia leakage treatment member (5), such that said ammonia leakage treatment member (5) is provided with ammonia purge means .

FR1659498A 2016-10-03 2016-10-03 DEVICE FOR AFTER-TREATMENT OF THE EXHAUST GASES OF A THERMAL ENGINE Active FR3057020B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR1659498A FR3057020B1 (en) 2016-10-03 2016-10-03 DEVICE FOR AFTER-TREATMENT OF THE EXHAUST GASES OF A THERMAL ENGINE

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR1659498 2016-10-03
FR1659498A FR3057020B1 (en) 2016-10-03 2016-10-03 DEVICE FOR AFTER-TREATMENT OF THE EXHAUST GASES OF A THERMAL ENGINE

Publications (2)

Publication Number Publication Date
FR3057020A1 FR3057020A1 (en) 2018-04-06
FR3057020B1 true FR3057020B1 (en) 2020-09-11

Family

ID=57539463

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1659498A Active FR3057020B1 (en) 2016-10-03 2016-10-03 DEVICE FOR AFTER-TREATMENT OF THE EXHAUST GASES OF A THERMAL ENGINE

Country Status (1)

Country Link
FR (1) FR3057020B1 (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3423685B1 (en) 2016-03-02 2020-11-18 Watlow Electric Manufacturing Company Dual-purpose heater and fluid flow measurement system
US11255244B2 (en) 2016-03-02 2022-02-22 Watlow Electric Manufacturing Company Virtual sensing system
WO2020159991A1 (en) * 2019-01-29 2020-08-06 Watlow Electric Manufacturing Company Virtual sensing system
EP3915679A1 (en) * 2020-05-26 2021-12-01 UMICORE AG & Co. KG Ammonia emissions reduction catalyst, catalyst system, and exhaust gas purification system

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8516798B2 (en) * 2009-07-30 2013-08-27 Ford Global Technologies, Llc Methods and systems for control of an emission system with more than one SCR region
GB2493987B (en) * 2011-08-26 2014-03-19 Jc Bamford Excavators Ltd An engine system
JP5983438B2 (en) * 2013-01-31 2016-08-31 トヨタ自動車株式会社 Exhaust gas purification device for internal combustion engine
FR3029969A1 (en) * 2014-12-10 2016-06-17 Peugeot Citroen Automobiles Sa EXHAUST GAS POST-TREATMENT DEVICE OF A COMBUSTION ENGINE

Also Published As

Publication number Publication date
FR3057020A1 (en) 2018-04-06

Similar Documents

Publication Publication Date Title
FR3057020B1 (en) DEVICE FOR AFTER-TREATMENT OF THE EXHAUST GASES OF A THERMAL ENGINE
JP2015158206A5 (en)
RU2018146947A (en) VANADIUM CATALYSTS FOR ENGINE SYSTEMS WITH HIGH NO2 EMISSIONS
RU2011132163A (en) SYNERGIC SCR / DOC CONFIGURATIONS TO REDUCE DIESEL ENGINE EMISSIONS
MX2017005291A (en) Emissions treatment systems with twc catalysts and scr-hct catalysts.
JP5066435B2 (en) Exhaust gas purification equipment for diesel engines
BRPI0911258A2 (en) exhaust gas purification system for the treatment of engine exhaust by means of scr catalyst
GB2473999A (en) Exhaust system for a lean burn ic engine
DE602004019108D1 (en) EMISSION TREATMENT SYSTEM AND METHOD USING SCR FILTER
GB2521576A (en) Close-coupled SCR system
WO2011060111A3 (en) Wall flow filter loaded with scr catalyst, systems and methods of exhaust gas treatment
RU2011141183A (en) METHOD FOR MANAGING THE WORK OF THE EXHAUST GAS NEUTRALIZATION SYSTEM AND THE EXHAUST GAS NEUTRALIZATION SYSTEM
GB2556349A (en) Exhaust system for a diesel engine
KR20120130603A (en) Apparatus for mixing reducing agent of scr system
MX2017016112A (en) Exhaust gas treatment system.
BR112017026648A2 (en) exhaust gas treatment system and method for treating an exhaust gas stream
GB2512896A (en) A mixer module and an emissions cleaning module
ATE509194T1 (en) METHOD AND CONTROL DEVICE FOR CONTROLLING THE SUPPLY OF REDUCING AGENT TO AN SCR CATALYST
EP2551482B1 (en) Elbow assembly for post-treatment of the exhaust gases of a combustion engine comprising an internal diffuser
ZA202002845B (en) Catalyzed soot filter with reduced ammonia oxidation
FR3059566B1 (en) EXHAUST GAS DEPOLLUTION FLUID COMPRISING A SOLUBLE BASIC METALLIC CARBONATE, METHOD FOR PREPARING IT AND ITS USE FOR INTERNAL COMBUSTION ENGINES
FR3029970B1 (en) EXHAUST GAS POST-TREATMENT DEVICE OF A COMBUSTION ENGINE
FR3072123B1 (en) MIXING BOX AND EXHAUST GAS AFTER-TREATMENT DEVICE INCORPORATING THE SAME
FR3061742B1 (en) DEVICE FOR AFTER-TREATMENT OF THE EXHAUST GASES OF A THERMAL ENGINE
GB201200230D0 (en) Exhaust system and method

Legal Events

Date Code Title Description
PLFP Fee payment

Year of fee payment: 2

PLSC Publication of the preliminary search report

Effective date: 20180406

PLFP Fee payment

Year of fee payment: 3

PLFP Fee payment

Year of fee payment: 4

PLFP Fee payment

Year of fee payment: 5

PLFP Fee payment

Year of fee payment: 6

PLFP Fee payment

Year of fee payment: 7

PLFP Fee payment

Year of fee payment: 8