PL2611524T3 - Katalizator z heteropolikwasem jako promotorem do SCR NOx z amoniakiem - Google Patents

Katalizator z heteropolikwasem jako promotorem do SCR NOx z amoniakiem

Info

Publication number
PL2611524T3
PL2611524T3 PL11748426T PL11748426T PL2611524T3 PL 2611524 T3 PL2611524 T3 PL 2611524T3 PL 11748426 T PL11748426 T PL 11748426T PL 11748426 T PL11748426 T PL 11748426T PL 2611524 T3 PL2611524 T3 PL 2611524T3
Authority
PL
Poland
Prior art keywords
heteropolyacid
promoter
ammonia
catalyst
scr nox
Prior art date
Application number
PL11748426T
Other languages
English (en)
Inventor
Siva Sankar Reddy Putluru
Anders Riisager
Rasmus Fehrmann
Original Assignee
Univ Danmarks Tekniske
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 Univ Danmarks Tekniske filed Critical Univ Danmarks Tekniske
Publication of PL2611524T3 publication Critical patent/PL2611524T3/pl

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
    • B01D53/74—General processes for purification of waste gases; Apparatus or devices specially adapted therefor
    • B01D53/86—Catalytic processes
    • B01D53/8621—Removing nitrogen compounds
    • B01D53/8625—Nitrogen oxides
    • B01D53/8628—Processes characterised by a specific catalyst
    • 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
    • B01J21/00—Catalysts comprising the elements, oxides, or hydroxides of magnesium, boron, aluminium, carbon, silicon, titanium, zirconium, or hafnium
    • B01J21/06—Silicon, titanium, zirconium or hafnium; Oxides or hydroxides thereof
    • B01J21/063—Titanium; Oxides or hydroxides thereof
    • 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
    • B01J21/00—Catalysts comprising the elements, oxides, or hydroxides of magnesium, boron, aluminium, carbon, silicon, titanium, zirconium, or hafnium
    • B01J21/06—Silicon, titanium, zirconium or hafnium; Oxides or hydroxides thereof
    • B01J21/066—Zirconium or hafnium; Oxides or hydroxides thereof
    • 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
    • B01J23/76—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of the iron group metals or copper combined with metals, oxides or hydroxides provided for in groups B01J23/02 - B01J23/36
    • B01J23/84—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of the iron group metals or copper combined with metals, oxides or hydroxides provided for in groups B01J23/02 - B01J23/36 with arsenic, antimony, bismuth, vanadium, niobium, tantalum, polonium, chromium, molybdenum, tungsten, manganese, technetium or rhenium
    • B01J23/85—Chromium, molybdenum or tungsten
    • 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
    • B01J23/76—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of the iron group metals or copper combined with metals, oxides or hydroxides provided for in groups B01J23/02 - B01J23/36
    • B01J23/84—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of the iron group metals or copper combined with metals, oxides or hydroxides provided for in groups B01J23/02 - B01J23/36 with arsenic, antimony, bismuth, vanadium, niobium, tantalum, polonium, chromium, molybdenum, tungsten, manganese, technetium or rhenium
    • B01J23/85—Chromium, molybdenum or tungsten
    • B01J23/88—Molybdenum
    • 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
    • B01J23/76—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of the iron group metals or copper combined with metals, oxides or hydroxides provided for in groups B01J23/02 - B01J23/36
    • B01J23/84—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of the iron group metals or copper combined with metals, oxides or hydroxides provided for in groups B01J23/02 - B01J23/36 with arsenic, antimony, bismuth, vanadium, niobium, tantalum, polonium, chromium, molybdenum, tungsten, manganese, technetium or rhenium
    • B01J23/85—Chromium, molybdenum or tungsten
    • B01J23/888—Tungsten
    • 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
    • B01J27/00—Catalysts comprising the elements or compounds of halogens, sulfur, selenium, tellurium, phosphorus or nitrogen; Catalysts comprising carbon compounds
    • B01J27/14—Phosphorus; Compounds thereof
    • B01J27/186—Phosphorus; Compounds thereof with arsenic, antimony, bismuth, vanadium, niobium, tantalum, polonium, chromium, molybdenum, tungsten, manganese, technetium or rhenium
    • B01J27/188—Phosphorus; Compounds thereof with arsenic, antimony, bismuth, vanadium, niobium, tantalum, polonium, chromium, molybdenum, tungsten, manganese, technetium or rhenium with chromium, molybdenum, tungsten or polonium
    • 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
    • B01J37/0201—Impregnation
    • 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
    • B01J37/0201—Impregnation
    • B01J37/0205—Impregnation in several steps
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2251/00—Reactants
    • B01D2251/20—Reductants
    • B01D2251/206—Ammonium compounds
    • B01D2251/2062—Ammonia
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2251/00—Reactants
    • B01D2251/20—Reductants
    • B01D2251/206—Ammonium compounds
    • B01D2251/2067—Urea
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2255/00—Catalysts
    • B01D2255/20—Metals or compounds thereof
    • B01D2255/202—Alkali metals
    • B01D2255/2022—Potassium
    • 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
    • B01D2255/20707—Titanium
    • 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
    • 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
    • B01D2255/20723—Vanadium
    • 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
    • B01D2255/20—Metals or compounds thereof
    • B01D2255/207—Transition metals
    • B01D2255/20769—Molybdenum
    • 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
    • B01D2255/20776—Tungsten
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2255/00—Catalysts
    • B01D2255/30—Silica
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2258/00—Sources of waste gases
    • B01D2258/02—Other waste gases
    • B01D2258/0283—Flue gases
    • B01D2258/0291—Flue gases from waste incineration plants
    • 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
    • B01J2235/00—Indexing scheme associated with group B01J35/00, related to the analysis techniques used to determine the catalysts form or properties
    • B01J2235/15—X-ray diffraction

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)
  • Analytical Chemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Catalysts (AREA)
  • Exhaust Gas Treatment By Means Of Catalyst (AREA)
PL11748426T 2010-09-03 2011-08-29 Katalizator z heteropolikwasem jako promotorem do SCR NOx z amoniakiem PL2611524T3 (pl)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
US38002510P 2010-09-03 2010-09-03
EP10009178 2010-09-03
PCT/EP2011/064793 WO2012028566A1 (en) 2010-09-03 2011-08-29 HETEROPOLY ACID PROMOTED CATALYST FOR SCR OF NOx WITH AMMONIA
EP11748426.1A EP2611524B1 (en) 2010-09-03 2011-08-29 HETEROPOLY ACID PROMOTED CATALYST FOR SCR OF NOx WITH AMMONIA

Publications (1)

Publication Number Publication Date
PL2611524T3 true PL2611524T3 (pl) 2014-10-31

Family

ID=43506249

Family Applications (1)

Application Number Title Priority Date Filing Date
PL11748426T PL2611524T3 (pl) 2010-09-03 2011-08-29 Katalizator z heteropolikwasem jako promotorem do SCR NOx z amoniakiem

Country Status (9)

Country Link
US (1) US8685354B2 (pl)
EP (1) EP2611524B1 (pl)
CN (1) CN103079681B (pl)
BR (1) BR112013004709A2 (pl)
CA (1) CA2809445A1 (pl)
DK (1) DK2611524T3 (pl)
ES (1) ES2485499T3 (pl)
PL (1) PL2611524T3 (pl)
WO (1) WO2012028566A1 (pl)

Families Citing this family (21)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20110274607A1 (en) * 2010-05-04 2011-11-10 Technical University Of Denmark Vanadia-supported zeolites for scr of no by ammonia
CN103861628A (zh) * 2012-12-14 2014-06-18 上海郎特电力环保科技有限公司 抗碱性金属氧化物中毒的烟气脱硝催化剂及其制备方法和应用
CN103990496B (zh) * 2014-04-16 2016-09-14 浙江大学 一种具有抗中毒性能的中低温scr脱硝催化剂及其制备方法
CN104043466A (zh) * 2014-04-30 2014-09-17 徐州工程学院 一种稀土磷钨酸型氮氧化物吸附分解催化剂及其制备方法
CN103990480B (zh) * 2014-05-09 2016-02-10 山东大学 稀土杂多酸盐掺杂铁基催化剂及其在烟气脱硝中的应用
CN104801349B (zh) * 2015-04-13 2017-05-31 福建紫荆环境工程技术有限公司 一种掺杂杂多酸的V2O5‑WO3/TiO2基中低温SCR脱硝催化剂
CN106552616A (zh) * 2016-11-25 2017-04-05 南京理工大学 一种多酸吸附型铈基氧化物催化剂及其制备方法、应用
CN106582740A (zh) * 2016-12-29 2017-04-26 山东大学 一种用于NOx低温脱除的爆米花为前驱体的杂多酸复合碳材料的制备方法
CN109248688B (zh) * 2018-10-26 2021-03-02 山东省科学院能源研究所 一种原位制备煤-生物质制碳基NOx吸附还原催化剂的方法
CN109794300B (zh) * 2019-01-25 2021-04-30 安徽工业大学 一种铜掺杂磷钼酸低温脱硝催化剂及其制备方法
CN109794272B (zh) * 2019-01-25 2022-02-11 安徽工业大学 一种负载型磷钼杂多酸低温scr催化剂及其制备方法
CN109731593B (zh) * 2019-02-01 2020-07-31 山东大学 Scr催化剂粉体及其制备方法和应用
US10953396B2 (en) 2019-07-03 2021-03-23 Saudi Arabian Oil Company Methods for producing mesoporous zeolite multifunctional catalysts for upgrading pyrolysis oil
US11130119B2 (en) 2019-07-03 2021-09-28 Saudi Arabian Oil Company Methods for producing multifunctional catalysts for upgrading pyrolysis oil
US11384297B1 (en) 2021-02-04 2022-07-12 Saudi Arabian Oil Company Systems and methods for upgrading pyrolysis oil to light aromatics over mixed metal oxide catalysts
US11746299B1 (en) 2022-07-11 2023-09-05 Saudi Arabian Oil Company Methods and systems for upgrading mixed pyrolysis oil to light aromatics over mixed metal oxide catalysts
CN115700146B (zh) * 2022-11-24 2024-06-18 广西民族师范学院 一种光催化剂的制备方法及其应用
AT527427B1 (de) * 2023-07-20 2026-03-15 Siemens Energy Austria Gmbh Rauchgasreinigungsanlage zur Reduktion von Stickstoffoxiden und Oxidation von Kohlenstoffmonoxid aus dem Rauchgas einer Kraftwerksanlage
US12460140B2 (en) 2023-07-20 2025-11-04 Saudi Arabian Oil Company Two stage fixed-bed catalytic process for upgrading pyrolysis oil to BTX
US12540285B2 (en) 2024-01-09 2026-02-03 Saudi Arabian Oil Company Two stage fixed-bed catalytic process for upgrading pyrolysis oil to BTX
CN117839659A (zh) * 2024-02-23 2024-04-09 佛山市顺德区阿波罗环保器材有限公司 高温条件下净化氨气的材料及其制备方法

Family Cites Families (22)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4182745A (en) * 1974-08-06 1980-01-08 Jgc Corporation Catalyst for reducing nitrogen oxides in a waste gas and a process for catalytically reducing nitrogen oxides contained in a waste gas
US4798813A (en) 1986-07-04 1989-01-17 Babcock-Hitachi Kabushiki Kaisha Catalyst for removing nitrogen oxide and process for producing the catalyst
FR2625919B1 (fr) 1988-01-19 1994-02-11 Institut Francais Petrole Procede et catalyseur pour la reduction selective des oxydes d'azote
US4961917A (en) 1989-04-20 1990-10-09 Engelhard Corporation Method for reduction of nitrogen oxides with ammonia using promoted zeolite catalysts
US5260043A (en) 1991-08-01 1993-11-09 Air Products And Chemicals, Inc. Catalytic reduction of NOx and carbon monoxide using methane in the presence of oxygen
US5456892A (en) * 1994-04-01 1995-10-10 Yang; Ralph T. Nitrogen oxide decomposition
DE4413359A1 (de) 1994-04-18 1995-10-19 Ftu Gmbh Forschung Und Tech En Mittel und Verfahren zur Reinigung von Gasen und Abgasen von NOx
NO950854L (no) 1995-03-03 1996-09-04 Norsk Hydro As Selektiv katalytisk reduksjon av nitrogenoksider
US5753581A (en) 1995-12-18 1998-05-19 General Motor Corporation Method of associating precious metals with specific oxides in mixed oxide systems for use as catalysts
DE10020100A1 (de) 2000-04-22 2001-10-31 Dmc2 Degussa Metals Catalysts Verfahren und Katalysator zur Reduktion von Stickoxiden
US6800585B2 (en) * 2001-02-13 2004-10-05 Sk Corporation Catalyst for selective catalytic reduction of nitrogen oxides and a method for preparing the same
US6914026B2 (en) 2001-09-07 2005-07-05 Engelhard Corporation Hydrothermally stable metal promoted zeolite beta for NOx reduction
EP1458960B1 (en) 2001-12-20 2011-02-09 Johnson Matthey Public Limited Company Improvements in selective catalytic reduction
US7049261B2 (en) 2003-02-27 2006-05-23 General Motors Corporation Zeolite catalyst and preparation process for NOx reduction
US7491676B2 (en) 2004-10-19 2009-02-17 Millennium Inorganic Chemicals High activity titania supported metal oxide DeNOx catalysts
US7704475B2 (en) 2005-12-14 2010-04-27 Basf Catalysts Llc Zeolite catalyst with improved NOx reduction in SCR
DE102006033452A1 (de) 2006-07-19 2008-01-24 Süd-Chemie AG Verfahren zur Herstellung metalldotierter Zeolithe und ihre Verwendung bei der katalytischen Umwandlung von Stickoxiden
EP1923135A1 (en) 2006-09-25 2008-05-21 Technical University of Denmark Alkali resistent SCR catalysts
PL1918016T3 (pl) 2006-10-24 2012-09-28 Casale S A Katalizator oparty na zeolicie z rodzaju ferrerytu/żelazie stosowany do rozkładu N₂O i redukcji katalitycznej NOx i N₂O
US8193114B2 (en) * 2006-11-15 2012-06-05 Basf Catalysts Llc Catalysts for dual oxidation of ammonia and carbon monoxide with low to no NOx formation
US20080127638A1 (en) 2006-12-01 2008-06-05 Marius Vaarkamp Emission Treatment Systems and Methods
JP5305133B2 (ja) 2007-09-19 2013-10-02 株式会社豊田中央研究所 窒素酸化物浄化用触媒及びその製造方法

Also Published As

Publication number Publication date
EP2611524B1 (en) 2014-04-30
BR112013004709A2 (pt) 2016-05-10
CA2809445A1 (en) 2012-03-08
WO2012028566A1 (en) 2012-03-08
CN103079681A (zh) 2013-05-01
DK2611524T3 (da) 2014-08-04
US8685354B2 (en) 2014-04-01
CN103079681B (zh) 2016-05-11
EP2611524A1 (en) 2013-07-10
US20130164205A1 (en) 2013-06-27
ES2485499T3 (es) 2014-08-13

Similar Documents

Publication Publication Date Title
PL2611524T3 (pl) Katalizator z heteropolikwasem jako promotorem do SCR NOx z amoniakiem
GB2497656B (en) Substrate monolith comprising SCR catalyst
GB2479808B (en) Nox absorber catalysts
PL2673082T3 (pl) Ruchomy katalizator denox wolny od v, zawierający ce
PL2827984T3 (pl) Hydrotermicznie stabilny katalizator nh3-scr niskotemperaturowej redukcji nox
ZA201306394B (en) Scr catalytic converter having improved hydrocarbon resistance
GB2487847B8 (en) A monolith substrate with catalyst component
EP2573345A4 (en) SCR SYSTEM
GB2497669B (en) Automotive catalytic aftertreatment system
SG11201500345WA (en) Catalytic reduction of nox with high activity catalysts
BR112014005898A2 (pt) catalisador de conversão de hidrocarbonetos
BR112013030533A2 (pt) catalisadores
EP2576047A4 (en) EXCIPIENT FOR ETHYLENE OXIDE CATALYSTS
PL2766115T3 (pl) Katalizator i nośnik katalizatora
FI20105744A0 (fi) Säätömenetelmä ja järjestely selektiivistä katalyyttistä pelkistystä varten
EP2570186A4 (en) MIXED CATALYST
BR112012019250A2 (pt) silenciador integrado com um conversor catalítico
BR112013032848A2 (pt) catalisador de controle de emissão de exaustão
GB2511178B (en) NOx absorber catalysts
SG11201500337YA (en) Catalytic reduction of nox with high activity catalysts with nh3 reductant
FR2961410B1 (fr) Systeme catalytique de reduction des nox
BR112013028495A2 (pt) catalisadores
SG11201500341RA (en) Catalytic reduction of nox with high activity catalysts with propylene reductant
EP2752241A4 (en) CATALYST
EP2889463A4 (en) HIGH-PERFORMANCE SCR CATALYST SYSTEM