IT961811B - Procedimento apparecchio e cata lizzatore per la eliminazione de gli ossidi di azoto dai gas di scarico di motori a combustione interna - Google Patents

Procedimento apparecchio e cata lizzatore per la eliminazione de gli ossidi di azoto dai gas di scarico di motori a combustione interna

Info

Publication number
IT961811B
IT961811B IT51918/72A IT5191872A IT961811B IT 961811 B IT961811 B IT 961811B IT 51918/72 A IT51918/72 A IT 51918/72A IT 5191872 A IT5191872 A IT 5191872A IT 961811 B IT961811 B IT 961811B
Authority
IT
Italy
Prior art keywords
lizer
cata
elimination
internal combustion
exhaust gases
Prior art date
Application number
IT51918/72A
Other languages
English (en)
Italian (it)
Original Assignee
Gulf Research Development Co
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 Gulf Research Development Co filed Critical Gulf Research Development Co
Application granted granted Critical
Publication of IT961811B publication Critical patent/IT961811B/it

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
    • B01D53/944—Simultaneously removing carbon monoxide, hydrocarbons or carbon making use of oxidation catalysts
    • 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
    • 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
    • B01D—SEPARATION
    • B01D2251/00—Reactants
    • B01D2251/10—Oxidants
    • B01D2251/102—Oxygen
    • 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
    • B01D2255/1026—Ruthenium
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2255/00—Catalysts
    • B01D2255/90—Physical characteristics of catalysts
    • B01D2255/92—Dimensions
    • B01D2255/9207—Specific surface
    • 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
    • B01J23/40—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of noble metals of the platinum group metals
    • B01J23/46—Ruthenium, rhodium, osmium or iridium
    • B01J23/462—Ruthenium

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Combustion & Propulsion (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)
  • Chemical Kinetics & Catalysis (AREA)
  • Catalysts (AREA)
  • Exhaust Gas Treatment By Means Of Catalyst (AREA)
IT51918/72A 1971-08-02 1972-08-01 Procedimento apparecchio e cata lizzatore per la eliminazione de gli ossidi di azoto dai gas di scarico di motori a combustione interna IT961811B (it)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US16843071A 1971-08-02 1971-08-02
US20754571A 1971-12-13 1971-12-13

Publications (1)

Publication Number Publication Date
IT961811B true IT961811B (it) 1973-12-10

Family

ID=26864114

Family Applications (1)

Application Number Title Priority Date Filing Date
IT51918/72A IT961811B (it) 1971-08-02 1972-08-01 Procedimento apparecchio e cata lizzatore per la eliminazione de gli ossidi di azoto dai gas di scarico di motori a combustione interna

Country Status (8)

Country Link
US (1) US3784675A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
BE (1) BE787077A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
CA (1) CA975535A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
DE (1) DE2238100A1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
FR (1) FR2148137A1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
GB (1) GB1364378A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
IT (1) IT961811B (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
NL (1) NL7210565A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

Families Citing this family (31)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4875456A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) * 1972-01-14 1973-10-11
BE794625A (fr) * 1972-01-27 1973-05-16 British Gas Corp Perfectionnements relatifs a des catalyseurs
US4076792A (en) * 1972-04-12 1978-02-28 Corning Glass Works Catalyst systems for the reduction of the oxides of nitrogen
JPS5331838B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) * 1972-04-15 1978-09-05
GB1460273A (en) * 1972-12-22 1976-12-31 Johnson Matthey Co Ltd Ruthenium catalysts
DE2306395C3 (de) * 1973-02-09 1978-08-10 Deutsche Gold- Und Silber-Scheideanstalt Vormals Roessler, 6000 Frankfurt Trägerkatalysator
JPS53755B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) * 1973-02-14 1978-01-11
IT1003097B (it) * 1973-03-28 1976-06-10 Tokyo Electric Co Ltd Catalizzatore per trattare i gas di scarico di veicoli a motore
US3972837A (en) * 1973-07-03 1976-08-03 Johnson Matthey & Co., Limited Catalyst for purifying automotive exhaust gases
JPS5410944B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) * 1973-08-27 1979-05-10
US3922235A (en) * 1974-07-31 1975-11-25 Exxon Research Engineering Co Stabilized ruthenium catalysts for selective reduction of oxides of nitrogen
US4020013A (en) * 1975-10-20 1977-04-26 Uop Inc. Catalytic composite for treating exhaust gases from an internal combustion engine
GB1581628A (en) * 1976-03-18 1980-12-17 Johnson Matthey Co Ltd Catalytic purification of automobile exhaust gases
US4149998A (en) * 1976-04-05 1979-04-17 Exxon Research & Engineering Co. Supported metal interaction catalysts
US4170627A (en) * 1978-04-10 1979-10-09 Uop Inc. Process for the simultaneous separation of sulfur and nitrogen oxides from a gaseous mixture
FR2466434A1 (fr) * 1979-10-01 1981-04-10 Uop Inc Procede de separation simultanee des oxydes de soufre et d'azote d'un melange gazeux
JPS56102940A (en) * 1980-01-18 1981-08-17 Toyota Motor Corp Catalyst for cleaning exhaust gas
AU7959082A (en) * 1981-01-20 1982-07-29 Johnson Matthey Public Ltd. Co. Three-way catalysts for exhaust gas
DE3130805A1 (de) * 1981-08-04 1983-02-24 Basf Ag, 6700 Ludwigshafen Neue ruthenium/kohle-hydrierkatalysatoren, deren herstellung und verwendung zur selektiven hydrierung von ungesaettigten carbonylverbindungen
US4567205A (en) * 1984-06-29 1986-01-28 Exxon Research And Engineering Co. Ruthenium catalysts, and use thereof for Fischer-Tropsch synthesis
US4558030A (en) * 1984-06-29 1985-12-10 Exxon Research And Engineering Co. Ruthenium-rhenium catalyst on titania support for Fischer-Tropsch synthesis
EP0455491A3 (en) * 1990-05-03 1992-03-18 Sakai Chemical Industry Co., Ltd., Catalysts and methods for denitrization
US6080377A (en) * 1995-04-27 2000-06-27 Engelhard Corporation Method of abating NOx and a catalytic material therefor
US6471924B1 (en) 1995-07-12 2002-10-29 Engelhard Corporation Method and apparatus for NOx abatement in lean gaseous streams
US5792436A (en) * 1996-05-13 1998-08-11 Engelhard Corporation Method for using a regenerable catalyzed trap
US6497848B1 (en) 1999-04-02 2002-12-24 Engelhard Corporation Catalytic trap with potassium component and method of using the same
JP2006511431A (ja) * 2002-12-20 2006-04-06 本田技研工業株式会社 白金−ルテニウムを含有する水素生成用触媒配合物
DK2363194T3 (da) * 2006-08-01 2013-02-11 Cormetech Inc System til fjernelse af nitrogenoxider fra en udstødningsgas
GB201617349D0 (en) * 2016-10-13 2016-11-30 Johnson Matthey Public Limited Company Oxidation catalyst for hydrocarbons produced by an internal combustion engine
CN113731450B (zh) * 2021-09-22 2023-08-29 苏州松之源环保科技有限公司 一种掺杂型的铯钒碱金属催化剂
CN116099569B (zh) * 2023-02-20 2024-08-27 中国科学院生态环境研究中心 一种氨内燃机尾气净化用催化剂及其制备方法和用途

Also Published As

Publication number Publication date
CA975535A (en) 1975-10-07
FR2148137A1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1973-03-11
GB1364378A (en) 1974-08-21
US3784675A (en) 1974-01-08
DE2238100A1 (de) 1973-02-15
BE787077A (fr) 1972-12-01
NL7210565A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1973-02-06

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