AU2001287753A1 - Catalyst and method for the catalytic reduction of nitrogen oxides - Google Patents
Catalyst and method for the catalytic reduction of nitrogen oxidesInfo
- Publication number
- AU2001287753A1 AU2001287753A1 AU2001287753A AU8775301A AU2001287753A1 AU 2001287753 A1 AU2001287753 A1 AU 2001287753A1 AU 2001287753 A AU2001287753 A AU 2001287753A AU 8775301 A AU8775301 A AU 8775301A AU 2001287753 A1 AU2001287753 A1 AU 2001287753A1
- Authority
- AU
- Australia
- Prior art keywords
- catalyst
- nitrogen oxides
- catalytic reduction
- catalytic
- reduction
- 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.)
- Abandoned
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
- B01D53/9413—Processes characterised by a specific catalyst
- B01D53/9422—Processes characterised by a specific catalyst for removing nitrogen oxides by NOx storage or reduction by cyclic switching between lean and rich exhaust gases (LNT, NSC, NSR)
-
- 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
- B01J23/00—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00
- B01J23/38—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of noble metals
- B01J23/40—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of noble metals of the platinum group metals
- B01J23/46—Ruthenium, rhodium, osmium or iridium
- B01J23/464—Rhodium
-
- 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
- B01J23/00—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00
- B01J23/38—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of noble metals
- B01J23/54—Catalysts 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
- B01J23/56—Platinum group metals
- B01J23/63—Platinum group metals with rare earths or actinides
-
- 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
- B01J37/00—Processes, in general, for preparing catalysts; Processes, in general, for activation of catalysts
- B01J37/02—Impregnation, coating or precipitation
- B01J37/024—Multiple impregnation or coating
- B01J37/0244—Coatings comprising several layers
-
- 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
- F01N3/24—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 constructional aspects of converting apparatus
- F01N3/28—Construction of catalytic reactors
- F01N3/2803—Construction of catalytic reactors characterised by structure, by material or by manufacturing of catalyst support
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2255/00—Catalysts
- B01D2255/10—Noble metals or compounds thereof
- B01D2255/102—Platinum group metals
- B01D2255/1023—Palladium
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2255/00—Catalysts
- B01D2255/10—Noble metals or compounds thereof
- B01D2255/102—Platinum group metals
- B01D2255/1025—Rhodium
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2255/00—Catalysts
- B01D2255/20—Metals or compounds thereof
- B01D2255/206—Rare earth metals
- B01D2255/2065—Cerium
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2255/00—Catalysts
- B01D2255/20—Metals or compounds thereof
- B01D2255/206—Rare earth metals
- B01D2255/2066—Praseodymium
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2255/00—Catalysts
- B01D2255/20—Metals or compounds thereof
- B01D2255/206—Rare earth metals
- B01D2255/2068—Neodymium
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2255/00—Catalysts
- B01D2255/20—Metals or compounds thereof
- B01D2255/207—Transition metals
- B01D2255/20715—Zirconium
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- Combustion & Propulsion (AREA)
- Health & Medical Sciences (AREA)
- Mechanical Engineering (AREA)
- Toxicology (AREA)
- General Engineering & Computer Science (AREA)
- Biomedical Technology (AREA)
- Environmental & Geological Engineering (AREA)
- Analytical Chemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Catalysts (AREA)
- Exhaust Gas After Treatment (AREA)
- Exhaust Gas Treatment By Means Of Catalyst (AREA)
Applications Claiming Priority (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FI20002052 | 2000-09-18 | ||
FI20002052A FI20002052A (en) | 2000-09-18 | 2000-09-18 | Catalyst and method for catalytic reduction of nitrogen oxides |
FI20002846 | 2000-12-22 | ||
FI20002846A FI20002846A (en) | 2000-12-22 | 2000-12-22 | Catalyst and process for catalytic reduction of nitrogen oxides |
PCT/FI2001/000777 WO2002022255A1 (en) | 2000-09-18 | 2001-09-06 | Catalyst and method for the catalytic reduction of nitrogen oxides |
Publications (1)
Publication Number | Publication Date |
---|---|
AU2001287753A1 true AU2001287753A1 (en) | 2002-03-26 |
Family
ID=26161057
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
AU2001287753A Abandoned AU2001287753A1 (en) | 2000-09-18 | 2001-09-06 | Catalyst and method for the catalytic reduction of nitrogen oxides |
Country Status (5)
Country | Link |
---|---|
US (1) | US20040043897A1 (en) |
EP (1) | EP1337330A2 (en) |
JP (1) | JP2004508189A (en) |
AU (1) | AU2001287753A1 (en) |
WO (1) | WO2002022255A1 (en) |
Families Citing this family (24)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FI20010973A (en) * | 2001-05-09 | 2002-11-10 | Valtion Teknillinen | Catalyst and process for catalytic reduction of nitrogen oxides |
JP4083453B2 (en) * | 2002-03-29 | 2008-04-30 | いすゞ自動車株式会社 | NOx purification system and catalyst deterioration recovery method thereof |
JP4093302B2 (en) * | 2002-03-29 | 2008-06-04 | いすゞ自動車株式会社 | NOx purification system catalyst deterioration judgment method and NOx purification system |
JP4093301B2 (en) * | 2002-03-29 | 2008-06-04 | いすゞ自動車株式会社 | Exhaust gas purification system and control method thereof |
US7329629B2 (en) * | 2002-10-24 | 2008-02-12 | Ford Global Technologies, Llc | Catalyst system for lean burn engines |
DE10340653B4 (en) * | 2003-09-03 | 2006-04-27 | Hte Ag The High Throughput Experimentation Company | Catalyst for the removal of pollutants from exhaust gases of lean-burn engines with ruthenium as active metal |
JP4236543B2 (en) * | 2003-09-08 | 2009-03-11 | 本田技研工業株式会社 | Catalysts and methods for the catalytic cracking of nitrogen oxides |
WO2005044426A1 (en) * | 2003-11-11 | 2005-05-19 | Valtion Teknillinen Tutkimuskeskus | Method for catalytically reducing nitrogen oxide and catalyst therefor |
JP5134185B2 (en) * | 2004-08-02 | 2013-01-30 | 本田技研工業株式会社 | Method for catalytic reduction of nitrogen oxides |
DE102004043421A1 (en) * | 2004-09-06 | 2006-03-23 | W.C. Heraeus Gmbh | Catalyst for 2-stroke engines or small engines |
WO2006109849A1 (en) | 2005-04-11 | 2006-10-19 | Valtion Teknillinen Tutkimuskeskus | Catalyst for catalytically reducing nitrogen oxide, catalyst structure, and method of catalytically reducing nitrogen oxide |
JP5021188B2 (en) * | 2005-08-01 | 2012-09-05 | 株式会社キャタラー | Exhaust gas purification catalyst |
FR2890577B1 (en) * | 2005-09-12 | 2009-02-27 | Rhodia Recherches & Tech | PROCESS FOR TREATING A GAS CONTAINING NITROGEN OXIDES (NOX), USING AS A NOX TRAP A COMPOSITION BASED ON ZIRCONIUM OXIDE AND PRASEODYME OXIDE |
JP5037888B2 (en) * | 2006-09-26 | 2012-10-03 | 株式会社キャタラー | Exhaust gas purification catalyst |
EP1916029B1 (en) * | 2006-10-23 | 2014-06-04 | Haldor Topsoe A/S | Method and apparatus for the purifiction of exhaust gas from a compression ignition engine |
JP5005333B2 (en) * | 2006-12-21 | 2012-08-22 | 株式会社キャタラー | Exhaust gas purification catalyst |
JP2009285600A (en) * | 2008-05-30 | 2009-12-10 | Mitsubishi Motors Corp | Catalyst for cleaning exhaust gas and catalyst layer for cleaning exhaust gas |
JP5422087B2 (en) * | 2008-08-08 | 2014-02-19 | 本田技研工業株式会社 | Low noble metal supported three way catalyst |
JP6066816B2 (en) * | 2013-04-25 | 2017-01-25 | 本田技研工業株式会社 | Exhaust purification catalyst and exhaust purification device |
JP6066817B2 (en) * | 2013-04-25 | 2017-01-25 | 本田技研工業株式会社 | Exhaust purification catalyst and exhaust purification device |
CN105658329A (en) * | 2013-10-23 | 2016-06-08 | 马自达汽车株式会社 | Exhaust gas purifying catalyst device and method for purifying exhaust gas |
WO2017130623A1 (en) * | 2016-01-28 | 2017-08-03 | 株式会社キャタラー | Pd-SUPPORTING Zr-BASED COMPOSITE OXIDE |
CN109759051B (en) * | 2019-01-15 | 2021-10-22 | 昆明理工大学 | Preparation method of catalyst for modifying white carbon black by using Zr-Nd-O |
JP7335543B2 (en) * | 2019-02-13 | 2023-08-30 | 三菱自動車工業株式会社 | Exhaust purification catalyst for internal combustion engine |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2848970B2 (en) * | 1990-12-21 | 1999-01-20 | 日本碍子株式会社 | Honeycomb heater and catalytic converter |
JP2979809B2 (en) * | 1992-01-10 | 1999-11-15 | 日産自動車株式会社 | Exhaust gas purification catalyst and method for producing the same |
JPH08229395A (en) * | 1995-02-24 | 1996-09-10 | Mazda Motor Corp | Exhaust gas purifying catalyst |
US6047544A (en) * | 1997-08-20 | 2000-04-11 | Nissan Motor Co., Ltd. | Engine exhaust gas purification catalyst and exhaust gas purifier |
US6022825A (en) * | 1998-01-08 | 2000-02-08 | Johnson Matthey Public Limited Company | Thermally durable low H2 S three-way catalysts |
DE19854794A1 (en) * | 1998-11-27 | 2000-05-31 | Degussa | Catalyst for the purification of the exhaust gases of a diesel engine |
-
2001
- 2001-09-06 EP EP01967365A patent/EP1337330A2/en not_active Withdrawn
- 2001-09-06 JP JP2002526498A patent/JP2004508189A/en active Pending
- 2001-09-06 AU AU2001287753A patent/AU2001287753A1/en not_active Abandoned
- 2001-09-06 WO PCT/FI2001/000777 patent/WO2002022255A1/en not_active Application Discontinuation
- 2001-09-06 US US10/380,776 patent/US20040043897A1/en not_active Abandoned
Also Published As
Publication number | Publication date |
---|---|
WO2002022255A8 (en) | 2002-09-19 |
EP1337330A2 (en) | 2003-08-27 |
US20040043897A1 (en) | 2004-03-04 |
WO2002022255A1 (en) | 2002-03-21 |
JP2004508189A (en) | 2004-03-18 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
AU2001287753A1 (en) | Catalyst and method for the catalytic reduction of nitrogen oxides | |
MXPA01003937A (en) | Method and catalyst for reducing nitrogen oxides. | |
AU2002242317A1 (en) | Selective catalytic reduction of n2o and catalyst therefor | |
AU2001245830A1 (en) | Finely divided metal catalyst and method for making same | |
AU5449400A (en) | Zeolite catalysts for selective catalytic reduction of nitric oxide by ammonia and method of making | |
EP1685891A4 (en) | Method for catalytically reducing nitrogen oxide and catalyst therefor | |
HK1053996A1 (en) | Catalyst, method of making, and reactions using the catalyst | |
GB0129054D0 (en) | Catalytic reactor and process | |
FI20010973A (en) | Catalyst and process for catalytic reduction of nitrogen oxides | |
AU3520000A (en) | Exhaust gas catalytic converter | |
AU2710501A (en) | Ceramic honeycomb catalyst carrier and method for preparation thereof | |
AU2002235177A1 (en) | Catalyst and method of use in the reduction of nitrogen oxides using lower hydrocarbons | |
AU2914995A (en) | Catalytic system for the reduction of nitrogen oxides | |
AU3923300A (en) | Fumed metal oxide comprising catalytic converter | |
AU3620300A (en) | Catalyst structure and method of manufacture | |
AUPP950199A0 (en) | Catalysts for the reduction of nitrogen oxide emissions | |
EP1350565A4 (en) | Catalyst for clarification of nitrogen oxides | |
AU2003289351A1 (en) | Method of catalytic reduction of nitrogen oxides and catalyst for use therein | |
EP1209332B8 (en) | Method and device for regenerating an NOx storage catalytic converter | |
AU2002253210A1 (en) | Catalyst and method for the catalytic reduction of nitrogen oxides | |
EP1075870A4 (en) | Catalyst for removing nitrogen oxides and method for removing nitrogen oxides | |
AU2002359924A1 (en) | Process for catalytic reduction of nitrogen oxides and catalyst therefor | |
AU2002354290A1 (en) | Method for catalytic reduction of nitrogen oxides and catalyst for use therein | |
AU2002323965A1 (en) | Method for catalytic reduction of nitrogen oxides and catalyst for use therein | |
AU2001296672A1 (en) | Catalytic material and method for abatement of nitrogen oxides |