IN2014CN02431A - - Google Patents

Info

Publication number
IN2014CN02431A
IN2014CN02431A IN2431CHN2014A IN2014CN02431A IN 2014CN02431 A IN2014CN02431 A IN 2014CN02431A IN 2431CHN2014 A IN2431CHN2014 A IN 2431CHN2014A IN 2014CN02431 A IN2014CN02431 A IN 2014CN02431A
Authority
IN
India
Prior art keywords
zeolites
structure type
catalyst
well
present
Prior art date
Application number
Inventor
Susanne Stiebels
Claudia Wendt
Torsten Neubauer
Svetlana Zimmermann
Original Assignee
Basf Se
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 filed Critical Basf Se
Publication of IN2014CN02431A publication Critical patent/IN2014CN02431A/en

Links

Classifications

    • 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
    • B01J35/00—Catalysts, in general, characterised by their form or physical properties
    • B01J35/19—Catalysts containing parts with different compositions
    • 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
    • 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
    • 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
    • B01J29/00—Catalysts comprising molecular sieves
    • B01J29/04—Catalysts comprising molecular sieves having base-exchange properties, e.g. crystalline zeolites
    • B01J29/06—Crystalline aluminosilicate zeolites; Isomorphous compounds thereof
    • B01J29/80—Mixtures of different zeolites
    • 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
    • B01J35/00—Catalysts, in general, characterised by their form or physical properties
    • B01J35/50—Catalysts, in general, characterised by their form or physical properties characterised by their shape or configuration
    • B01J35/56—Foraminous structures having flow-through passages or channels, e.g. grids or three-dimensional monoliths
    • 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
    • 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
    • B01J37/0246—Coatings comprising a zeolite
    • 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
    • B01D2255/20738—Iron
    • 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
    • B01D2255/50—Zeolites
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2255/00—Catalysts
    • B01D2255/50—Zeolites
    • B01D2255/502—Beta zeolites
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2255/00—Catalysts
    • B01D2255/50—Zeolites
    • B01D2255/504—ZSM 5 zeolites
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2257/00—Components to be removed
    • B01D2257/40—Nitrogen compounds
    • B01D2257/404—Nitrogen oxides other than dinitrogen oxide
    • 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
    • B01D53/9459—Removing one or more of nitrogen oxides, carbon monoxide, or hydrocarbons by multiple successive catalytic functions; systems with more than one different function, e.g. zone coated catalysts
    • B01D53/9477—Removing one or more of nitrogen oxides, carbon monoxide, or hydrocarbons by multiple successive catalytic functions; systems with more than one different function, e.g. zone coated catalysts with catalysts positioned on separate bricks, e.g. exhaust systems
    • 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
    • B01J2229/00—Aspects of molecular sieve catalysts not covered by B01J29/00
    • B01J2229/30—After treatment, characterised by the means used
    • B01J2229/42—Addition of matrix or binder particles
    • 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
    • B01J29/00—Catalysts comprising molecular sieves
    • B01J29/04—Catalysts comprising molecular sieves having base-exchange properties, e.g. crystalline zeolites
    • B01J29/06—Crystalline aluminosilicate zeolites; Isomorphous compounds thereof
    • B01J29/40—Crystalline aluminosilicate zeolites; Isomorphous compounds thereof of the pentasil type, e.g. types ZSM-5, ZSM-8 or ZSM-11, as exemplified by patent documents US3702886, GB1334243 and US3709979, respectively
    • 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
    • B01J29/00—Catalysts comprising molecular sieves
    • B01J29/04—Catalysts comprising molecular sieves having base-exchange properties, e.g. crystalline zeolites
    • B01J29/06—Crystalline aluminosilicate zeolites; Isomorphous compounds thereof
    • B01J29/40—Crystalline aluminosilicate zeolites; Isomorphous compounds thereof of the pentasil type, e.g. types ZSM-5, ZSM-8 or ZSM-11, as exemplified by patent documents US3702886, GB1334243 and US3709979, respectively
    • B01J29/42—Crystalline aluminosilicate zeolites; Isomorphous compounds thereof of the pentasil type, e.g. types ZSM-5, ZSM-8 or ZSM-11, as exemplified by patent documents US3702886, GB1334243 and US3709979, respectively containing iron group metals, noble metals or copper
    • B01J29/46—Iron group metals or copper
    • 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
    • B01J29/00—Catalysts comprising molecular sieves
    • B01J29/04—Catalysts comprising molecular sieves having base-exchange properties, e.g. crystalline zeolites
    • B01J29/06—Crystalline aluminosilicate zeolites; Isomorphous compounds thereof
    • B01J29/70—Crystalline aluminosilicate zeolites; Isomorphous compounds thereof of types characterised by their specific structure not provided for in groups B01J29/08 - B01J29/65
    • B01J29/7007—Zeolite Beta
    • 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
    • B01J29/00—Catalysts comprising molecular sieves
    • B01J29/04—Catalysts comprising molecular sieves having base-exchange properties, e.g. crystalline zeolites
    • B01J29/06—Crystalline aluminosilicate zeolites; Isomorphous compounds thereof
    • B01J29/70—Crystalline aluminosilicate zeolites; Isomorphous compounds thereof of types characterised by their specific structure not provided for in groups B01J29/08 - B01J29/65
    • B01J29/7015—CHA-type, e.g. Chabazite, LZ-218
    • 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
    • B01J29/00—Catalysts comprising molecular sieves
    • B01J29/04—Catalysts comprising molecular sieves having base-exchange properties, e.g. crystalline zeolites
    • B01J29/06—Crystalline aluminosilicate zeolites; Isomorphous compounds thereof
    • B01J29/70—Crystalline aluminosilicate zeolites; Isomorphous compounds thereof of types characterised by their specific structure not provided for in groups B01J29/08 - B01J29/65
    • B01J29/72—Crystalline aluminosilicate zeolites; Isomorphous compounds thereof of types characterised by their specific structure not provided for in groups B01J29/08 - B01J29/65 containing iron group metals, noble metals or copper
    • B01J29/76—Iron group metals or copper
    • B01J29/7615—Zeolite Beta
    • 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
    • B01J29/00—Catalysts comprising molecular sieves
    • B01J29/04—Catalysts comprising molecular sieves having base-exchange properties, e.g. crystalline zeolites
    • B01J29/06—Crystalline aluminosilicate zeolites; Isomorphous compounds thereof
    • B01J29/70—Crystalline aluminosilicate zeolites; Isomorphous compounds thereof of types characterised by their specific structure not provided for in groups B01J29/08 - B01J29/65
    • B01J29/72—Crystalline aluminosilicate zeolites; Isomorphous compounds thereof of types characterised by their specific structure not provided for in groups B01J29/08 - B01J29/65 containing iron group metals, noble metals or copper
    • B01J29/76—Iron group metals or copper
    • B01J29/763—CHA-type, e.g. Chabazite, LZ-218
    • 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]

Landscapes

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

Abstract

xThe present invention relates to a catalyst preferably for use in selective catalytic reduction (SCR) said catalyst comprising one or more zeolites of the BEA structure type one or more zeolites of the CHA structure type and optionally one or more zeolites of the MFI structure type wherein at least part of the one or more zeolites of the BEA structure type contain iron (Fe) wherein at least part of the one or more zeolites of the CHA structure type contain copper (Cu) and wherein at least part of the optional one or more zeolites of the MFI structure type contain iron (Fe). Furthermore the present invention concerns an exhaust gas treatment system comprising said catalyst as well as a process for the treatment of a gas stream comprising NO using said catalyst as well.
IN2431CHN2014 2011-10-05 2012-10-04 IN2014CN02431A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
EP11183983 2011-10-05
PCT/IB2012/055337 WO2013050964A1 (en) 2011-10-05 2012-10-04 Cu-CHA/Fe-BEA MIXED ZEOLITE CATALYST AND PROCESS FOR THE TREATMENT OF NOX IN GAS STREAMS

Publications (1)

Publication Number Publication Date
IN2014CN02431A true IN2014CN02431A (en) 2015-06-19

Family

ID=48043234

Family Applications (1)

Application Number Title Priority Date Filing Date
IN2431CHN2014 IN2014CN02431A (en) 2011-10-05 2012-10-04

Country Status (7)

Country Link
EP (1) EP2766119A4 (en)
JP (2) JP2014530097A (en)
KR (1) KR102047145B1 (en)
CN (1) CN104066508B (en)
BR (1) BR112014007886B1 (en)
IN (1) IN2014CN02431A (en)
WO (1) WO2013050964A1 (en)

Families Citing this family (23)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3326714A1 (en) * 2012-01-31 2018-05-30 Johnson Matthey Public Limited Company Catalyst blends
JP2014210221A (en) * 2013-04-17 2014-11-13 株式会社キャタラー Scr catalyst and catalyst system for exhaust gas purification
JP6559673B2 (en) 2013-08-30 2019-08-14 ジョンソン、マッセイ、パブリック、リミテッド、カンパニーＪｏｈｎｓｏｎ Ｍａｔｔｈｅｙ Ｐｕｂｌｉｃ Ｌｉｍｉｔｅｄ Ｃｏｍｐａｎｙ Zeolite blend catalyst for treating exhaust gas containing NOX
FR3011487B1 (en) * 2013-10-07 2017-07-21 Peugeot Citroen Automobiles Sa DEVICE FOR TREATING EXHAUST GASES
GB2522530B (en) 2013-12-03 2017-02-08 Johnson Matthey Plc Copper CHA framework Zeolite catalyst and use thereof
US9617490B2 (en) 2013-12-13 2017-04-11 Exxonmobil Research And Engineering Company Vehicle powertrain with onboard catalytic reformer
EP3177386B1 (en) * 2014-08-07 2019-11-27 Johnson Matthey Public Limited Company Zoned catalyst for treating exhaust gas
WO2016115451A1 (en) * 2015-01-16 2016-07-21 Basf Corporation Nano-sized functional binder
DE102015204012A1 (en) * 2015-03-05 2016-09-08 Clariant International Ltd. SCR catalyst with improved adhesion
US10201807B2 (en) * 2015-06-18 2019-02-12 Johnson Matthey Public Limited Company Ammonia slip catalyst designed to be first in an SCR system
KR101795404B1 (en) 2016-05-18 2017-11-08 현대자동차 주식회사 Catalyst and manufacturing method of catalyst
EP3281699A1 (en) * 2016-08-11 2018-02-14 Umicore AG & Co. KG Particle filter with scr active coating
KR101865389B1 (en) * 2016-11-15 2018-06-07 주식회사 이엔드디 Catalytic for inhibiting the N2O generation
CN107297218A (en) * 2017-06-27 2017-10-27 中国第汽车股份有限公司 Molecular sieve cordierite honeycomb carrier method for preparing catalyst
CN107537558B (en) * 2017-06-27 2020-05-22 中国第一汽车股份有限公司 Method for preparing supported catalyst with anchored enhanced NOx removal
CN110831695A (en) * 2017-07-11 2020-02-21 国际壳牌研究有限公司 Catalyst and method of use thereof
RU2020102868A (en) * 2017-07-11 2021-08-11 Шелл Интернэшнл Рисерч Маатсхаппий Б.В. CATALYST AND METHOD OF ITS APPLICATION
US20210114007A1 (en) * 2018-04-11 2021-04-22 Basf Corporation Mixed zeolite-containing scr catalyst
CN109806764B (en) * 2019-03-25 2021-04-16 中国科学院过程工程研究所 Industrial flue gas storage reduction denitration system and method
CN110508318A (en) * 2019-10-22 2019-11-29 山东国瓷功能材料股份有限公司 A kind of composite denitration catalyst and its preparation method and application
JP6994079B2 (en) * 2020-05-26 2022-01-14 株式会社キャタラー Exhaust gas purification catalyst device
KR20220067569A (en) * 2020-11-16 2022-05-25 현대자동차주식회사 Catalyst for adsorbing hydrocarbon and hydrocarbon trap comprising the same
KR20240061767A (en) 2022-11-01 2024-05-08 주식회사 에코앤드림 Cu-CHA Zeolite Catalyst

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10001539B4 (en) * 2000-01-14 2006-01-19 Uhde Gmbh Process for the removal of NOx and N2O
JP4425797B2 (en) * 2002-11-18 2010-03-03 株式会社アイシーティー Exhaust gas purification catalyst manufacturing method and exhaust gas purification method
JP4992214B2 (en) * 2005-09-16 2012-08-08 東ソー株式会社 Nitrogen oxide purification catalyst comprising β-type zeolite and nitrogen oxide purification method using the same
US7998423B2 (en) * 2007-02-27 2011-08-16 Basf Corporation SCR on low thermal mass filter substrates
DK3300791T3 (en) * 2007-04-26 2019-06-11 Johnson Matthey Plc The transition metal / zeolite SCR catalyst
US20090196812A1 (en) * 2008-01-31 2009-08-06 Basf Catalysts Llc Catalysts, Systems and Methods Utilizing Non-Zeolitic Metal-Containing Molecular Sieves Having the CHA Crystal Structure
JP2009262098A (en) * 2008-04-28 2009-11-12 Ne Chemcat Corp Exhaust gas clarifying method using selective reduction catalyst
JP5560158B2 (en) * 2009-11-19 2014-07-23 イビデン株式会社 Honeycomb structure and exhaust gas purification device
JP2011125849A (en) * 2009-11-19 2011-06-30 Ibiden Co Ltd Honeycomb, and apparatus for cleaning exhaust
GB2475740B (en) * 2009-11-30 2017-06-07 Johnson Matthey Plc Catalysts for treating transient NOx emissions
WO2011118777A1 (en) * 2010-03-26 2011-09-29 株式会社 キャタラー Exhaust gas purification system

Also Published As

Publication number Publication date
EP2766119A1 (en) 2014-08-20
JP2018027535A (en) 2018-02-22
WO2013050964A1 (en) 2013-04-11
KR102047145B1 (en) 2019-11-20
EP2766119A4 (en) 2015-07-15
KR20140081852A (en) 2014-07-01
CN104066508A (en) 2014-09-24
JP6348212B2 (en) 2018-06-27
JP2014530097A (en) 2014-11-17
BR112014007886B1 (en) 2020-02-04
BR112014007886A2 (en) 2017-04-11
CN104066508B (en) 2018-02-06

Similar Documents

Publication Publication Date Title
IN2014CN02431A (en)
MY160970A (en) A catalyst for use in selective catalytic reduction comprising zeolites of the cha structure type comprising cu and zeolites of the mfi structure type comprising fe, an exhaust gas treatment system comprising this catalyst, a process for the treatment of a gas stream comprising nox using the catalyst
GB0920927D0 (en) Catalysts for treating transient nox emissions
EP2692430A4 (en) Ammonia oxidation catalyst, exhaust gas purification device using same, and exhaust gas purification method
EP2692437A4 (en) Ammonia oxidation catalyst, exhaust gas purification device using same, and exhaust gas purification method
EP2682185A4 (en) Catalyst for exhaust gas purification, method for producing same, and exhaust gas purification method using same
GB2532595A (en) Aluminosilicate or silicoaluminophosphate molecular sieve/manganese octahedral molecular sieve as catalysts for treating exhaust gas
PL2259872T3 (en) Method of regeneration of scr catalyst poisoned by phosphorous components in flue gas
GB2514945A (en) Catalyst blends
EP2659974A4 (en) Selective reduction catalyst, and exhaust gas purification device and exhaust gas purification method using same
EP2357038A4 (en) Exhaust gas purifying catalyst, exhaust gas purifying apparatus using same, and exhaust gas purifying method
EP2407238A4 (en) Exhaust gas purifying catalyst, exhaust gas purifying apparatus using same, and method for purifying exhaust gas
EP2689842A4 (en) Catalyst for exhaust gas purification, method for producing same, and exhaust gas purification method using same
EP2322274A4 (en) Exhaust gas purifying catalyst and method for producing the same
EP2692432A4 (en) Exhaust gas purification catalyst, exhaust gas purification monolith catalyst, and process for producing exhaust gas purification catalyst
EP2805766A4 (en) Exhaust gas purifying catalyst and method for producing same
EP2893979A4 (en) Exhaust gas purification catalyst, exhaust gas purification monolith catalyst, and method for producing exhaust gas purification catalyst
EP2682206A4 (en) Metal particles, catalyst for exhaust gas purification containing same, and production method therefor
EP2749352A4 (en) Exhaust gas purification catalyst, and method for producing same
ZA201404564B (en) Composite oxide, method for producing the same, and catalyst for exhaust gas purification
EP2311559A4 (en) Exhaust gas purifying catalyst and method for producing the same
MY171117A (en) A catalyst for treating exhaust gas of natural gas vehicles
ZA201404562B (en) Composite oxide,method for producing the same ,and catalyst for exhaust gas purification
ZA201308828B (en) Complex oxide,method for producing same,and exhaust gas purification catalyst
EP2324903A4 (en) Method for purifying exhaust gas containing mercury metal, oxidation catalyst for mercury metal in exhaust gas and method for producing the same