ES2159896T3 - Procedimiento para la reduccion de oxidos de nitrogeno. - Google Patents

Procedimiento para la reduccion de oxidos de nitrogeno.

Info

Publication number
ES2159896T3
ES2159896T3 ES97954415T ES97954415T ES2159896T3 ES 2159896 T3 ES2159896 T3 ES 2159896T3 ES 97954415 T ES97954415 T ES 97954415T ES 97954415 T ES97954415 T ES 97954415T ES 2159896 T3 ES2159896 T3 ES 2159896T3
Authority
ES
Spain
Prior art keywords
weight
replaced
component
reduction
mixtures
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 - Lifetime
Application number
ES97954415T
Other languages
English (en)
Inventor
Thomas Fetzer
Bernd Morsbach
Otto Kumberger
Martin Hartweg
Rolf-Dirc Roitzheim
Andrea Seibold
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.)
BASF SE
Mercedes Benz Group AG
Original Assignee
BASF SE
DaimlerChrysler AG
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 BASF SE, DaimlerChrysler AG filed Critical BASF SE
Application granted granted Critical
Publication of ES2159896T3 publication Critical patent/ES2159896T3/es
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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
    • B01D53/9418—Processes characterised by a specific catalyst for removing nitrogen oxides by selective catalytic reduction [SCR] using a reducing agent in a lean exhaust gas
    • 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
    • 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
    • B01J23/70—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of the iron group metals or copper
    • B01J23/89—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of the iron group metals or copper combined with noble metals
    • B01J23/8933—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of the iron group metals or copper combined with noble metals also combined with metals, or metal oxides or hydroxides provided for in groups B01J23/02 - B01J23/36
    • B01J23/894—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of the iron group metals or copper combined with noble metals also combined with metals, or metal oxides or hydroxides provided for in groups B01J23/02 - B01J23/36 with rare earths or actinides
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2251/00—Reactants
    • B01D2251/20—Reductants
    • B01D2251/202—Hydrogen
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2251/00—Reactants
    • B01D2251/20—Reductants
    • B01D2251/204—Carbon monoxide
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2251/00—Reactants
    • B01D2251/20—Reductants
    • B01D2251/208—Hydrocarbons
    • 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
    • B01D2255/1021—Platinum
    • 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
    • B01D2255/104—Silver
    • 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
    • B01D2255/20761—Copper
    • 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
    • B01D2255/20792—Zinc
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2255/00—Catalysts
    • B01D2255/20—Metals or compounds thereof
    • B01D2255/209—Other metals
    • B01D2255/2092—Aluminium
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2255/00—Catalysts
    • B01D2255/40—Mixed oxides
    • B01D2255/405—Spinels
    • 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
    • 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
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S502/00—Catalyst, solid sorbent, or support therefor: product or process of making
    • Y10S502/524—Spinel

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Health & Medical Sciences (AREA)
  • Biomedical Technology (AREA)
  • Environmental & Geological Engineering (AREA)
  • Analytical Chemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Combustion & Propulsion (AREA)
  • Materials Engineering (AREA)
  • Organic Chemistry (AREA)
  • Catalysts (AREA)
  • Exhaust Gas Treatment By Means Of Catalyst (AREA)
  • Exhaust Gas After Treatment (AREA)

Abstract

SEGUN LA INVENCION, PARA LA REDUCCION DE NO X , EN PARTICULAR EN LOS GASES DE QUEMADORES, SE UTILIZA UN CATALIZADOR CONSISTENTE EN: (A) DE UN 20 A UN 97% EN PESO DE AL 2 O SUB,3 , (B) DE UN 1 A UN 40% EN PESO DE CUO, (C) DE UN 1 A UN 50% EN PESO DE ZNO, (D) DE UN 1 A UN 40% EN PESO DE AG, (E) DE UN 0 A UN 2% EN PESO DE PT, (F) DE UN 0 A UN 20% EN PESO DE OXIDOS DE METALES DE TIERRAS RARAS, ELEMENTOS DEL TERCER SUBGRUPO DEL SISTEMA PERIODICO DE ELEMENTOS O SUS MEZCLAS, CON RELACION AL PESO TOTAL DE COMPONENTES (A) A (E), QUE REPRESENTA EL 100% EN PESO. EN ESTE CATALIZADOR, HASTA LA MITAD DEL PESO DEL COMPONENTE (A) PUEDE SER SUSTITUIDO POR FE 2 O 3 , CR 2 O 3 , GA 2 O 3 O SUS MEZCLAS; HASTA LA MITAD DEL COMPONENTE (B) PUEDE SER SUSTITUIDO POR COO; HASTA LA MITAD DEL COMPONENTE (C) PUEDE SER SUSTITUIDO POR MGO; HASTA LA MITAD DEL COMPONENTE (D) PUEDE SER SUSTITUIDO POR AU, Y HASTA LA MITAD DEL PESO DEL COMPONENTE (E) PUEDE SER SUSTITUIDO POR PD, RU, OS, IR, RH, RE O SUS MEZCLAS. LOS COMPONENTES (A), (B) Y (C) FORMAN UNA ESPINELA A LA QUE PUEDEN AÑADIRSE COMO ADITIVOS LOS COMPONENTES (D), (E) Y (F).
ES97954415T 1996-12-19 1997-12-17 Procedimiento para la reduccion de oxidos de nitrogeno. Expired - Lifetime ES2159896T3 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19653200A DE19653200A1 (de) 1996-12-19 1996-12-19 Verfahren zur Reduktion von Stickoxiden

Publications (1)

Publication Number Publication Date
ES2159896T3 true ES2159896T3 (es) 2001-10-16

Family

ID=7815472

Family Applications (1)

Application Number Title Priority Date Filing Date
ES97954415T Expired - Lifetime ES2159896T3 (es) 1996-12-19 1997-12-17 Procedimiento para la reduccion de oxidos de nitrogeno.

Country Status (9)

Country Link
US (1) US6153162A (es)
EP (1) EP0951341B1 (es)
JP (1) JP4270581B2 (es)
KR (1) KR20000057669A (es)
CN (1) CN1245444A (es)
BR (1) BR9714044A (es)
DE (2) DE19653200A1 (es)
ES (1) ES2159896T3 (es)
WO (1) WO1998026858A1 (es)

Families Citing this family (37)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3428381B2 (ja) * 1996-08-16 2003-07-22 三菱マテリアル株式会社 ＮＯｘ浄化舗装構造物
DE19813171C1 (de) 1998-03-25 1999-11-25 Basf Ag Verfahren zur Herstellung von Spinell-Extrudaten
DE19848595A1 (de) 1998-10-21 2000-04-27 Basf Ag Hochtemperaturstabile Katalysatoren zur Zersetzung von N¶2¶0
US20020009414A1 (en) * 1999-10-25 2002-01-24 Moser William R. Method of preparing compounds using cavitation and compounds formed therefrom
US20070066480A1 (en) * 1999-10-25 2007-03-22 Moser William R Method of preparing compounds using cavitation and compounds formed therefrom
US6776606B2 (en) 2001-03-02 2004-08-17 Emmissions Technology, Llc Method for oxidizing mixtures
JP2002253968A (ja) * 2001-03-02 2002-09-10 Toyota Central Res & Dev Lab Inc 排ガス浄化用触媒
US6607704B2 (en) * 2001-10-18 2003-08-19 Ford Global Technologies, Llc Sulfur tolerant lean NOx trap
US20030118960A1 (en) * 2001-12-21 2003-06-26 Balmer-Millar Mari Lou Lean NOx aftertreatment system
US6959542B2 (en) 2002-01-25 2005-11-01 Arvin Technologies, Inc. Apparatus and method for operating a fuel reformer to regenerate a DPNR device
DE10207443A1 (de) * 2002-02-22 2003-09-04 Bayer Ag Verfahren und Katalysator zur Herstellung von Alkoholen
US20040105804A1 (en) * 2002-11-29 2004-06-03 Industrial Technology Research Institute Catalyst for water-gas shift reaction and method for converting carbon monoxide and water to hydrogen and carbon dioxide
EP1607135A1 (en) * 2003-03-24 2005-12-21 Kyushu Electric Power Co., Inc. Carbon monoxide reforming catalyst composition
US7244281B2 (en) 2003-10-24 2007-07-17 Arvin Technologies, Inc. Method and apparatus for trapping and purging soot from a fuel reformer
US7285247B2 (en) 2003-10-24 2007-10-23 Arvin Technologies, Inc. Apparatus and method for operating a fuel reformer so as to purge soot therefrom
US7541010B2 (en) * 2003-12-19 2009-06-02 Caterpillar Inc. Silver doped catalysts for treatment of exhaust
US20050135977A1 (en) * 2003-12-19 2005-06-23 Caterpillar Inc. Multi-part catalyst system for exhaust treatment elements
US7399729B2 (en) * 2003-12-22 2008-07-15 General Electric Company Catalyst system for the reduction of NOx
US7776280B2 (en) 2005-05-10 2010-08-17 Emcon Technologies Llc Method and apparatus for selective catalytic reduction of NOx
US20070078053A1 (en) * 2005-09-30 2007-04-05 U.S.A. As Represented By The Administrator Of The National Aeronautics And Space Administration Catalyst for decomposition of nitrogen oxides
WO2007098129A1 (en) * 2006-02-17 2007-08-30 Syntroleum Corporation Process air desulfurization for syngas production
US7943548B2 (en) * 2006-09-20 2011-05-17 Basf Corporation Catalysts to reduce NOx in an exhaust gas stream and methods of preparation
US7759280B2 (en) * 2006-09-20 2010-07-20 Basf Corporation Catalysts, systems and methods to reduce NOX in an exhaust gas stream
US8173574B2 (en) * 2006-09-20 2012-05-08 Basf Corporation Catalysts to reduce NOx in an exhaust gas stream and methods of preparation
JP2008168228A (ja) * 2007-01-12 2008-07-24 Okayama Univ 未燃カーボンを用いてディーゼルエンジン排ガス中の窒素酸化物を浄化するための触媒と方法
EP1990082B1 (en) 2007-05-11 2011-08-17 Ford Global Technologies, LLC PGM-free DPF catalyst for soot oxidation
US7964114B2 (en) * 2007-12-17 2011-06-21 Sud-Chemie Inc. Iron-based water gas shift catalyst
US20090264283A1 (en) * 2008-04-16 2009-10-22 Basf Catalysts Llc Stabilized Iridium and Ruthenium Catalysts
US20090263300A1 (en) * 2008-04-16 2009-10-22 Yang Xiaolin D Stabilized Iridium and Ruthenium Catalysts
FR2952554A1 (fr) * 2009-11-13 2011-05-20 Peugeot Citroen Automobiles Sa Catalyseur pour la reduction des oxydes d'azote par les hydrocarbures ou les composes oxygenes
CN102631933B (zh) * 2011-02-14 2014-02-26 中国石油化工股份有限公司 一种脱除烟气中no的催化剂及其制备方法
CN106466609A (zh) * 2015-08-20 2017-03-01 中国石油化工股份有限公司 一氧化碳低温催化还原脱除氮氧化物的催化剂
CN106607087B (zh) * 2015-10-21 2020-02-07 中国石油化工股份有限公司 一氧化碳催化转化含氮化合物的催化剂
GB201608643D0 (en) * 2016-05-17 2016-06-29 Thermo Fisher Scient Bremen Elemental analysis system and method
CN109304170A (zh) * 2017-11-16 2019-02-05 中国石油化工股份有限公司 一种三维有序介孔NM-Al催化剂、制备方法及应用
CN108671938A (zh) * 2018-04-24 2018-10-19 曹俊峰 一种汽车尾气净化用混合催化剂的制备方法
CN116241359B (zh) * 2023-03-01 2023-09-22 哈尔滨工程大学 一种船舶发动机尾气污染物处理装置及污染物处理方法

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3974255A (en) * 1973-03-12 1976-08-10 Atlantic Richfield Company Method for treatment of engine exhaust gases
JP2784444B2 (ja) * 1988-10-05 1998-08-06 堺化学工業株式会社 窒素酸化物分解触媒
EP0362960A3 (en) * 1988-10-05 1990-06-27 Sakai Chemical Industry Co., Ltd., Use of a catalyst composition for denitrization and denitrizing catalysts
JP2691750B2 (ja) * 1988-10-06 1997-12-17 堺化学工業株式会社 窒素酸化物分解触媒
DE69115241T2 (de) * 1991-01-08 1996-06-13 Agency Ind Science Techn Verfahren zur Entfernung von Stickoxiden aus Abgasen.
DE4224881A1 (de) * 1992-07-28 1994-02-03 Basf Ag Silberhaltiger Aluminiumoxid-Trägerkatalysator und Verfahren zur katalytischen Zersetzung von reinem oder in Gasgemischen enthaltenem Distickstoffmonoxid
DE4419486C2 (de) * 1994-06-03 1996-09-05 Daimler Benz Ag Katalysator, Verfahren zu dessen Herstellung sowie Verwendung des Katalysators
DE4420932A1 (de) * 1994-06-16 1996-01-11 Basf Ag Material zur katalytischen Reduktion von Stickoxiden
JPH0824648A (ja) * 1994-07-22 1996-01-30 Nissan Motor Co Ltd 排気ガス浄化用触媒及びその製造方法
DE19606657C1 (de) * 1996-02-23 1997-07-10 Basf Ag Verfahren und Vorrichtung zum Reinigen von Gasen

Also Published As

Publication number Publication date
DE19653200A1 (de) 1998-06-25
WO1998026858A1 (de) 1998-06-25
CN1245444A (zh) 2000-02-23
JP4270581B2 (ja) 2009-06-03
JP2001506180A (ja) 2001-05-15
EP0951341A1 (de) 1999-10-27
DE59703453D1 (de) 2001-05-31
BR9714044A (pt) 2000-05-09
US6153162A (en) 2000-11-28
EP0951341B1 (de) 2001-04-25
KR20000057669A (ko) 2000-09-25

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