DE2414333C3 - Verfahren zur selektiven Abtrennung von Stickstoffoxiden aus Abgasen - Google Patents

Verfahren zur selektiven Abtrennung von Stickstoffoxiden aus Abgasen

Info

Publication number
DE2414333C3
DE2414333C3 DE2414333A DE2414333A DE2414333C3 DE 2414333 C3 DE2414333 C3 DE 2414333C3 DE 2414333 A DE2414333 A DE 2414333A DE 2414333 A DE2414333 A DE 2414333A DE 2414333 C3 DE2414333 C3 DE 2414333C3
Authority
DE
Germany
Prior art keywords
nitrogen oxides
nitrogen
percent
catalyst
conversion
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
Application number
DE2414333A
Other languages
German (de)
English (en)
Other versions
DE2414333A1 (de
DE2414333B2 (de
Inventor
Shinkichi Shimizu
Tadashi Niihama Ehime Shindo
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.)
Sumitomo Chemical Co Ltd
Original Assignee
Sumitomo Chemical Co Ltd
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 Sumitomo Chemical Co Ltd filed Critical Sumitomo Chemical Co Ltd
Publication of DE2414333A1 publication Critical patent/DE2414333A1/de
Publication of DE2414333B2 publication Critical patent/DE2414333B2/de
Application granted granted Critical
Publication of DE2414333C3 publication Critical patent/DE2414333C3/de
Expired legal-status Critical Current

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
    • 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
    • B01J23/847—Vanadium, niobium or tantalum or polonium
    • B01J23/8472—Vanadium
    • 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
    • B01J23/16—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of arsenic, antimony, bismuth, vanadium, niobium, tantalum, polonium, chromium, molybdenum, tungsten, manganese, technetium or rhenium
    • B01J23/20—Vanadium, niobium or tantalum
    • B01J23/22—Vanadium
    • 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
    • B01J23/16—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of arsenic, antimony, bismuth, vanadium, niobium, tantalum, polonium, chromium, molybdenum, tungsten, manganese, technetium or rhenium
    • B01J23/24—Chromium, molybdenum or tungsten
    • B01J23/26—Chromium
    • 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
    • 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
    • B01D2255/20723—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
    • B01D2255/20746—Cobalt
    • 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
    • B01D2255/20753—Nickel
    • 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
    • B01D2255/20784—Chromium
    • 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
    • B01D2255/2094—Tin

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Organic Chemistry (AREA)
  • Materials Engineering (AREA)
  • Health & Medical Sciences (AREA)
  • Analytical Chemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Environmental & Geological Engineering (AREA)
  • Biomedical Technology (AREA)
  • Combustion & Propulsion (AREA)
  • Catalysts (AREA)
  • Exhaust Gas Treatment By Means Of Catalyst (AREA)
DE2414333A 1973-03-26 1974-03-25 Verfahren zur selektiven Abtrennung von Stickstoffoxiden aus Abgasen Expired DE2414333C3 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP3484573A JPS5523086B2 (US07655688-20100202-C00086.png) 1973-03-26 1973-03-26

Publications (3)

Publication Number Publication Date
DE2414333A1 DE2414333A1 (de) 1974-10-03
DE2414333B2 DE2414333B2 (de) 1980-11-13
DE2414333C3 true DE2414333C3 (de) 1981-09-10

Family

ID=12425513

Family Applications (1)

Application Number Title Priority Date Filing Date
DE2414333A Expired DE2414333C3 (de) 1973-03-26 1974-03-25 Verfahren zur selektiven Abtrennung von Stickstoffoxiden aus Abgasen

Country Status (6)

Country Link
US (1) US4010238A (US07655688-20100202-C00086.png)
JP (1) JPS5523086B2 (US07655688-20100202-C00086.png)
DE (1) DE2414333C3 (US07655688-20100202-C00086.png)
FR (1) FR2223072B1 (US07655688-20100202-C00086.png)
GB (1) GB1466789A (US07655688-20100202-C00086.png)
IT (1) IT1024532B (US07655688-20100202-C00086.png)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2443262A1 (de) * 1973-09-10 1975-03-13 Mitsubishi Chem Ind Verfahren zur zersetzung von stickstoffoxyden

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JPS5427839B2 (US07655688-20100202-C00086.png) * 1973-09-10 1979-09-12
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US4170572A (en) * 1973-10-18 1979-10-09 Union Carbide Corporation Oxidation catalyst prepared with NH3
US4085193A (en) * 1973-12-12 1978-04-18 Mitsubishi Petrochemical Co. Ltd. Catalytic process for reducing nitrogen oxides to nitrogen
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US4056600A (en) * 1974-06-03 1977-11-01 Gennady Alexeevich Skvortsov Method of selective catalytic purification of waste gases from nitrogen oxides
JPS5132479A (en) * 1974-09-13 1976-03-19 Asahi Glass Co Ltd Chitsusosankabutsu no shorihoho
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JPS585703B2 (ja) * 1975-05-19 1983-02-01 株式会社日本触媒 チツソサンカブツジヨキヨヨウシヨクバイ
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US4293443A (en) * 1978-03-30 1981-10-06 Standard Oil Company Oxidation catalysts
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DE102015209987A1 (de) 2014-06-04 2015-12-10 Johnson Matthey Public Limited Company Nicht-PGM-Ammoniakschlupfkatalysator
US9649596B2 (en) 2014-07-02 2017-05-16 Johnson Matthey Public Limited Company Perovskite with an ovlerlayer SCR component as an ammonia oxidation catalyst and a system for exhaust emission control on diesel engines
JP7249099B2 (ja) 2014-11-19 2023-03-30 ジョンソン、マッセイ、パブリック、リミテッド、カンパニー 低温排出制御のためのｓｃｒとｐｎａの組み合わせ
JP5869169B1 (ja) * 2015-06-01 2016-02-24 公立大学法人大阪府立大学 酸素発生反応用ペロブスカイト酸化物触媒
GB2541500B (en) 2015-06-18 2019-06-26 Johnson Matthey Plc NH3 overdosing-tolerant SCR catalyst
US10201807B2 (en) 2015-06-18 2019-02-12 Johnson Matthey Public Limited Company Ammonia slip catalyst designed to be first in an SCR system
GB2543600B (en) 2015-06-18 2019-10-09 Johnson Matthey Plc Zoned exhaust system
US20160367975A1 (en) 2015-06-18 2016-12-22 Johnson Matthey Public Limited Company Ammonia slip catalyst with low n2o formation
KR20180020215A (ko) 2015-06-18 2018-02-27 존슨 맛쎄이 퍼블릭 리미티드 컴파니 단일 또는 이중 층 암모니아 슬립 촉매
US9937489B2 (en) 2015-06-18 2018-04-10 Johnson Matthey Public Limited Company Exhaust system without a DOC having an ASC acting as a DOC in a system with an SCR catalyst before the ASC
BR112018006174A2 (pt) 2015-09-29 2018-10-09 Johnson Matthey Plc composição, filtro catalítico, sistema e método para tratar um gás de escape de queima pobre, usos de um filtro catalítico e de uma composição, e, métodos para melhorar a combustão de fuligem, para reduzir a suscetibilidade de um catalisador de scr contido em um filtro à deterioração, para diminuir a temperatura de combustão de fuligem, para melhorar a resistência de um catalisador de scr e para coletar material particulado do gás de escape emitido de um motor.
US10105692B2 (en) 2015-09-29 2018-10-23 Johnson Matthey Public Limited Company Zoned ammonia slip catalyst for use in combustion turbines
DE102017122001A1 (de) 2016-09-22 2018-03-22 Johnson Matthey Public Limited Company Ruthenium, geträgert auf trägern, die eine rutilphase aufweisen, als stabile katalysatoren für nh3-slip-anwendungen
CN110100080B (zh) 2016-10-24 2022-05-24 巴斯夫公司 用于减少NOx的集成SCR催化剂和LNT
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GB2562161A (en) 2017-03-20 2018-11-07 Johnson Matthey Plc Rear on-wall design SCRF
GB2562160B (en) 2017-03-20 2021-06-23 Johnson Matthey Plc Catalytic wall-flow filter with an ammonia slip catalyst
WO2019042911A1 (en) 2017-08-29 2019-03-07 Rhodia Operations USE OF A MIXED OXIDE TO ABSORB NOX
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WO2022167431A1 (en) 2021-02-02 2022-08-11 Basf Corporation Exhaust gas treatment system for reducing ammonia emissions from mobile gasoline applications
WO2023244279A1 (en) 2022-06-17 2023-12-21 Basf Corporation Exhaust treatment system for ammonia-fueled vehicles
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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2443262A1 (de) * 1973-09-10 1975-03-13 Mitsubishi Chem Ind Verfahren zur zersetzung von stickstoffoxyden

Also Published As

Publication number Publication date
US4010238A (en) 1977-03-01
JPS49122473A (US07655688-20100202-C00086.png) 1974-11-22
DE2414333A1 (de) 1974-10-03
IT1024532B (it) 1978-07-20
FR2223072A1 (US07655688-20100202-C00086.png) 1974-10-25
DE2414333B2 (de) 1980-11-13
FR2223072B1 (US07655688-20100202-C00086.png) 1978-01-06
GB1466789A (en) 1977-03-09
JPS5523086B2 (US07655688-20100202-C00086.png) 1980-06-20

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