DE102016118808A1 - PASSIVER NOx-ADSORBER - Google Patents

PASSIVER NOx-ADSORBER Download PDF

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Publication number
DE102016118808A1
DE102016118808A1 DE102016118808.5A DE102016118808A DE102016118808A1 DE 102016118808 A1 DE102016118808 A1 DE 102016118808A1 DE 102016118808 A DE102016118808 A DE 102016118808A DE 102016118808 A1 DE102016118808 A1 DE 102016118808A1
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Prior art keywords
catalyst
molecular sieve
region
substrate
absorber
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Ceased
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DE102016118808.5A
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German (de)
English (en)
Inventor
Andrew Francis Chiffey
Jack CORPS
Laura MITCHELL-DOWNIE
Francois Moreau
Matthew O'Brien
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Johnson Matthey PLC
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Johnson Matthey PLC
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Publication of DE102016118808A1 publication Critical patent/DE102016118808A1/de
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    • 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
    • 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
    • B01J29/78—Crystalline aluminosilicate zeolites; Isomorphous compounds thereof of types characterised by their specific structure not provided for in groups B01J29/08 - B01J29/65 containing arsenic, antimony, bismuth, vanadium, niobium, tantalum, polonium, chromium, molybdenum, tungsten, manganese, technetium or rhenium
    • B01J29/7815—Zeolite Beta
    • 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
    • B01D53/9481—Catalyst preceded by an adsorption device without catalytic function for temporary storage of contaminants, e.g. during cold start
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
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    • B01J21/00—Catalysts comprising the elements, oxides, or hydroxides of magnesium, boron, aluminium, carbon, silicon, titanium, zirconium, or hafnium
    • B01J21/02—Boron or aluminium; Oxides or hydroxides thereof
    • B01J21/04—Alumina
    • B—PERFORMING OPERATIONS; TRANSPORTING
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    • B01J29/74—Noble metals
    • B01J29/743—CHA-type, e.g. Chabazite, LZ-218
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    • F01N13/00—Exhaust or silencing apparatus characterised by constructional features
    • F01N13/009—Exhaust or silencing apparatus characterised by constructional features having two or more separate purifying devices arranged in series
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
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    • 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
    • F01N3/0807—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by using absorbents or adsorbents
    • F01N3/0814—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by using absorbents or adsorbents combined with catalytic converters, e.g. NOx absorption/storage reduction catalysts
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    • 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
    • F01N3/0807—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by using absorbents or adsorbents
    • F01N3/0828—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by using absorbents or adsorbents characterised by the absorbed or adsorbed substances
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    • F01N2510/06—Surface coverings for exhaust purification, e.g. catalytic reaction
    • F01N2510/063—Surface coverings for exhaust purification, e.g. catalytic reaction zeolites
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
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    • 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

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  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Materials Engineering (AREA)
  • Combustion & Propulsion (AREA)
  • Organic Chemistry (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Biomedical Technology (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • General Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Environmental & Geological Engineering (AREA)
  • Health & Medical Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Exhaust Gas After Treatment (AREA)
  • Exhaust Gas Treatment By Means Of Catalyst (AREA)
  • Catalysts (AREA)
  • Solid-Sorbent Or Filter-Aiding Compositions (AREA)
DE102016118808.5A 2015-10-06 2016-10-05 PASSIVER NOx-ADSORBER Ceased DE102016118808A1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB1517579.7 2015-10-06
GBGB1517579.7A GB201517579D0 (en) 2015-10-06 2015-10-06 Passive nox adsorber

Publications (1)

Publication Number Publication Date
DE102016118808A1 true DE102016118808A1 (de) 2017-04-06

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DE102016118808.5A Ceased DE102016118808A1 (de) 2015-10-06 2016-10-05 PASSIVER NOx-ADSORBER

Country Status (9)

Country Link
US (2) US10213775B2 (enExample)
EP (1) EP3334911B1 (enExample)
JP (2) JP6979945B2 (enExample)
KR (1) KR20180064405A (enExample)
CN (1) CN108026810B (enExample)
DE (1) DE102016118808A1 (enExample)
GB (2) GB201517579D0 (enExample)
RU (1) RU2762479C2 (enExample)
WO (1) WO2017060692A1 (enExample)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2021119279A1 (en) * 2019-12-13 2021-06-17 Basf Corporation Lean nox trap plus low temperature nox adsorber for low temperature nox trapping
DE102020100534A1 (de) * 2020-01-13 2021-07-15 Volkswagen Aktiengesellschaft Abgasnachbehandlungssystem sowie Verfahren zur Abgasnachbehandlung eines Verbrennungsmotors

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP6693406B2 (ja) * 2016-12-20 2020-05-13 三菱自動車工業株式会社 排気ガス浄化装置
GB2560944A (en) * 2017-03-29 2018-10-03 Johnson Matthey Plc NOx adsorber catalyst
JP7224298B2 (ja) * 2017-03-30 2023-02-17 ジョンソン、マッセイ、パブリック、リミテッド、カンパニー 単一ブリックｓｃｒ／ａｓｃ／ｐｎａ／ｄｏｃ近位連結触媒
US10711674B2 (en) * 2017-10-20 2020-07-14 Umicore Ag & Co. Kg Passive nitrogen oxide adsorber catalyst
GB2572396A (en) 2018-03-28 2019-10-02 Johnson Matthey Plc Passive NOx adsorber
EP3841064A1 (en) * 2018-08-24 2021-06-30 UMICORE AG & Co. KG Method for the preparation of a molecular sieve of the cha-type
CN109306886A (zh) * 2018-11-22 2019-02-05 江苏海事职业技术学院 一种海洋船舶内燃机循环燃烧系统
US11278874B2 (en) * 2018-11-30 2022-03-22 Johnson Matthey Public Limited Company Enhanced introduction of extra-framework metal into aluminosilicate zeolites
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