FR2750058B1 - Procede de traitement de gaz pour la reduction des emissions des oxydes d'azote - Google Patents

Procede de traitement de gaz pour la reduction des emissions des oxydes d'azote

Info

Publication number
FR2750058B1
FR2750058B1 FR9607729A FR9607729A FR2750058B1 FR 2750058 B1 FR2750058 B1 FR 2750058B1 FR 9607729 A FR9607729 A FR 9607729A FR 9607729 A FR9607729 A FR 9607729A FR 2750058 B1 FR2750058 B1 FR 2750058B1
Authority
FR
France
Prior art keywords
reduction
treatment process
gas treatment
nitrogen oxide
oxide emissions
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
FR9607729A
Other languages
English (en)
Other versions
FR2750058A1 (fr
Inventor
Alain Bataille
Catherine Hedouin
Thierry Seguelong
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.)
Rhodia Chimie SAS
Original Assignee
Rhone Poulenc Chimie 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 Rhone Poulenc Chimie SA filed Critical Rhone Poulenc Chimie SA
Priority to FR9607729A priority Critical patent/FR2750058B1/fr
Priority to PCT/FR1997/001094 priority patent/WO1997049481A1/fr
Priority to AU33493/97A priority patent/AU3349397A/en
Priority to ZA9705465A priority patent/ZA975465B/xx
Publication of FR2750058A1 publication Critical patent/FR2750058A1/fr
Application granted granted Critical
Publication of FR2750058B1 publication Critical patent/FR2750058B1/fr
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J23/00Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00
    • B01J23/38Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of noble metals
    • B01J23/54Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of noble metals combined with metals, oxides or hydroxides provided for in groups B01J23/02 - B01J23/36
    • B01J23/56Platinum group metals
    • B01J23/64Platinum group metals with arsenic, antimony, bismuth, vanadium, niobium, tantalum, polonium, chromium, molybdenum, tungsten, manganese, technetium or rhenium
    • B01J23/656Manganese, technetium or rhenium
    • B01J23/6562Manganese
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D53/00Separation 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
    • B01D53/34Chemical or biological purification of waste gases
    • B01D53/92Chemical or biological purification of waste gases of engine exhaust gases
    • B01D53/94Chemical or biological purification of waste gases of engine exhaust gases by catalytic processes
    • B01D53/9404Removing only nitrogen compounds
    • B01D53/9409Nitrogen oxides
    • B01D53/9413Processes characterised by a specific catalyst
    • B01D53/9418Processes characterised by a specific catalyst for removing nitrogen oxides by selective catalytic reduction [SCR] using a reducing agent in a lean exhaust gas
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J23/00Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00
    • B01J23/38Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of noble metals
    • B01J23/40Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of noble metals of the platinum group metals
    • B01J23/42Platinum
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J23/00Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00
    • B01J23/38Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of noble metals
    • B01J23/54Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of noble metals combined with metals, oxides or hydroxides provided for in groups B01J23/02 - B01J23/36
    • B01J23/56Platinum group metals
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J23/00Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00
    • B01J23/38Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of noble metals
    • B01J23/54Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of noble metals combined with metals, oxides or hydroxides provided for in groups B01J23/02 - B01J23/36
    • B01J23/56Platinum group metals
    • B01J23/63Platinum group metals with rare earths or actinides
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D2251/00Reactants
    • B01D2251/20Reductants
    • B01D2251/208Hydrocarbons
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D2251/00Reactants
    • B01D2251/20Reductants
    • B01D2251/21Organic compounds not provided for in groups B01D2251/206 or B01D2251/208
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D2255/00Catalysts
    • B01D2255/10Noble metals or compounds thereof
    • B01D2255/102Platinum group metals
    • B01D2255/1021Platinum
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D2255/00Catalysts
    • B01D2255/20Metals or compounds thereof
    • B01D2255/206Rare earth metals
    • B01D2255/2063Lanthanum
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D2255/00Catalysts
    • B01D2255/20Metals or compounds thereof
    • B01D2255/207Transition metals
    • B01D2255/20707Titanium
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D2255/00Catalysts
    • B01D2255/20Metals or compounds thereof
    • B01D2255/207Transition metals
    • B01D2255/2073Manganese
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D2255/00Catalysts
    • B01D2255/40Mixed oxides
    • B01D2255/405Spinels
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D2255/00Catalysts
    • B01D2255/40Mixed oxides
    • B01D2255/407Zr-Ce mixed oxides
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D2255/00Catalysts
    • B01D2255/90Physical characteristics of catalysts
    • B01D2255/92Dimensions
    • B01D2255/9202Linear dimensions
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J37/00Processes, in general, for preparing catalysts; Processes, in general, for activation of catalysts
    • B01J37/02Impregnation, coating or precipitation
    • B01J37/0201Impregnation
    • B01J37/0211Impregnation using a colloidal suspension

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Materials Engineering (AREA)
  • Organic Chemistry (AREA)
  • Health & Medical Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Biomedical Technology (AREA)
  • Environmental & Geological Engineering (AREA)
  • Analytical Chemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Exhaust Gas Treatment By Means Of Catalyst (AREA)
  • Catalysts (AREA)
FR9607729A 1996-06-21 1996-06-21 Procede de traitement de gaz pour la reduction des emissions des oxydes d'azote Expired - Fee Related FR2750058B1 (fr)

Priority Applications (4)

Application Number Priority Date Filing Date Title
FR9607729A FR2750058B1 (fr) 1996-06-21 1996-06-21 Procede de traitement de gaz pour la reduction des emissions des oxydes d'azote
PCT/FR1997/001094 WO1997049481A1 (fr) 1996-06-21 1997-06-18 Procede de traitement de gaz pour la reduction des emissions des oxydes d'azote
AU33493/97A AU3349397A (en) 1996-06-21 1997-06-18 Method for treating gas to reduce nitrogen oxide emission
ZA9705465A ZA975465B (en) 1996-06-21 1997-06-20 Process for the treatment of gases with a view to controlling nitrogen oxide emissions.

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR9607729A FR2750058B1 (fr) 1996-06-21 1996-06-21 Procede de traitement de gaz pour la reduction des emissions des oxydes d'azote

Publications (2)

Publication Number Publication Date
FR2750058A1 FR2750058A1 (fr) 1997-12-26
FR2750058B1 true FR2750058B1 (fr) 1998-10-16

Family

ID=9493287

Family Applications (1)

Application Number Title Priority Date Filing Date
FR9607729A Expired - Fee Related FR2750058B1 (fr) 1996-06-21 1996-06-21 Procede de traitement de gaz pour la reduction des emissions des oxydes d'azote

Country Status (4)

Country Link
AU (1) AU3349397A (fr)
FR (1) FR2750058B1 (fr)
WO (1) WO1997049481A1 (fr)
ZA (1) ZA975465B (fr)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2780096B1 (fr) 1998-06-22 2000-09-08 Rhodia Chimie Sa Procede de traitement par combustion des particules carbonees dans un circuit d'echappement d'un moteur a combustion interne
US6129898A (en) * 1998-08-17 2000-10-10 Ford Global Technologies, Inc. NOx trap catalyst for lean burn engines
US6103207A (en) * 1999-04-26 2000-08-15 Ford Global Technologies, Inc. Treating diesel exhaust with a catalytic particulate mixture
GB201401115D0 (en) * 2014-01-23 2014-03-12 Johnson Matthey Plc Diesel oxidation catalyst and exhaust system

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3992331A (en) * 1973-12-28 1976-11-16 Prototech Company Catalytic platinum metal particles on a substrate and method of preparing the catalyst
US4082699A (en) * 1974-12-20 1978-04-04 Prototech Company Method of preparing catalytic structures from colloidal platinum compounds and such catalytic structures
JP3250824B2 (ja) * 1991-09-13 2002-01-28 マツダ株式会社 NOx浄化方法
FR2718371B1 (fr) * 1994-04-08 1996-05-03 Rhone Poulenc Chimie Catalyseurs de réduction des oxydes d'azote à base de spinelles.

Also Published As

Publication number Publication date
FR2750058A1 (fr) 1997-12-26
AU3349397A (en) 1998-01-14
ZA975465B (en) 1998-01-16
WO1997049481A1 (fr) 1997-12-31

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