SE7703019L - Katalysforfarande - Google Patents

Katalysforfarande

Info

Publication number
SE7703019L
SE7703019L SE7703019A SE7703019A SE7703019L SE 7703019 L SE7703019 L SE 7703019L SE 7703019 A SE7703019 A SE 7703019A SE 7703019 A SE7703019 A SE 7703019A SE 7703019 L SE7703019 L SE 7703019L
Authority
SE
Sweden
Prior art keywords
alumina
catalyst
silica
catalyst procedure
osmium
Prior art date
Application number
SE7703019A
Other languages
Unknown language ( )
English (en)
Inventor
S J Knight
Original Assignee
Johnson Matthey 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 Johnson Matthey Co Ltd filed Critical Johnson Matthey Co Ltd
Publication of SE7703019L publication Critical patent/SE7703019L/sv

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
    • B01J23/38—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
    • 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
    • B01D2255/00—Catalysts
    • B01D2255/10—Noble metals or compounds thereof
    • B01D2255/102—Platinum group metals
    • B01D2255/1025—Rhodium
    • 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
    • B01D2255/1028—Iridium
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2255/00—Catalysts
    • B01D2255/20—Metals or compounds thereof
    • B01D2255/206—Rare earth metals
    • B01D2255/2063—Lanthanum
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2255/00—Catalysts
    • B01D2255/20—Metals or compounds thereof
    • B01D2255/206—Rare earth metals
    • B01D2255/2065—Cerium
    • 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

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Health & Medical Sciences (AREA)
  • Organic Chemistry (AREA)
  • Combustion & Propulsion (AREA)
  • Materials Engineering (AREA)
  • Biomedical Technology (AREA)
  • Environmental & Geological Engineering (AREA)
  • Analytical Chemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Catalysts (AREA)
  • Exhaust Gas Treatment By Means Of Catalyst (AREA)
SE7703019A 1976-03-18 1977-03-17 Katalysforfarande SE7703019L (sv)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB10953/76A GB1581628A (en) 1976-03-18 1976-03-18 Catalytic purification of automobile exhaust gases

Publications (1)

Publication Number Publication Date
SE7703019L true SE7703019L (sv) 1977-09-19

Family

ID=9977353

Family Applications (1)

Application Number Title Priority Date Filing Date
SE7703019A SE7703019L (sv) 1976-03-18 1977-03-17 Katalysforfarande

Country Status (8)

Country Link
JP (1) JPS52116779A (sv)
BE (1) BE852590A (sv)
CA (1) CA1100292A (sv)
DE (1) DE2712009A1 (sv)
FR (1) FR2344323A1 (sv)
GB (1) GB1581628A (sv)
SE (1) SE7703019L (sv)
ZA (1) ZA771544B (sv)

Families Citing this family (27)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS58131123A (ja) * 1982-02-01 1983-08-04 Toyota Motor Corp 内燃機関の排出ガス浄化用フイルタ
US4438082A (en) * 1982-09-30 1984-03-20 Engelhard Corporation Platinum gold catalyst for removing NOx and NH3 from gas streams
ZA837689B (en) * 1982-10-18 1984-06-27 Universal Matthey Prod Oxidation catalysts
US4657880A (en) * 1985-03-18 1987-04-14 Corning Glass Works Preparation of high surface area agglomerates for catalyst support and preparation of monolithic support structures containing them
JPS63252908A (ja) * 1987-04-08 1988-10-20 Agency Of Ind Science & Technol 金超微粒子固定化酸化物、その製造法、酸化触媒、還元触媒、可燃性ガスセンサ素子、及び電極用触媒
JPS6483513A (en) * 1987-09-24 1989-03-29 Agency Ind Science Techn Ultrafine gold particle immobilized alkaline earth metallic compound, production thereof, oxidation catalyst, reduction catalyst and combustible gas sensor element
EP0455491A3 (en) * 1990-05-03 1992-03-18 Sakai Chemical Industry Co., Ltd., Catalysts and methods for denitrization
DE4041088A1 (de) * 1990-12-21 1992-07-02 Afs Entwicklungs & Vertriebs G Verfahren zur beseitigung von ozon aus gasgemischen
JP2801423B2 (ja) * 1991-03-08 1998-09-21 住友金属鉱山 株式会社 窒素酸化物浄化触媒
KR950007916B1 (ko) * 1991-05-10 1995-07-21 스미도모킨조구고오상 가부시기가이샤 배기가스중의 질소산화물을 제거하는 방법
US5298230A (en) * 1992-05-01 1994-03-29 Nalco Fuel Tech Process for the efficient catalytic reduction of nitrogen oxides
JP2618316B2 (ja) * 1992-08-05 1997-06-11 財団法人石油産業活性化センター 窒素酸化物接触還元用触媒
JP3430422B2 (ja) * 1992-12-14 2003-07-28 財団法人石油産業活性化センター 窒素酸化物接触還元用触媒
JP2631814B2 (ja) * 1994-04-20 1997-07-16 株式会社リケン 排ガス浄化材及び排ガス浄化方法
WO1998032524A1 (en) * 1997-01-22 1998-07-30 Anglo American Research Laboratories (Proprietary) Limited Reduction of nitrogen oxide
US6361754B1 (en) 1997-03-27 2002-03-26 Clean Diesel Technologies, Inc. Reducing no emissions from an engine by on-demand generation of ammonia for selective catalytic reduction
US5976475A (en) * 1997-04-02 1999-11-02 Clean Diesel Technologies, Inc. Reducing NOx emissions from an engine by temperature-controlled urea injection for selective catalytic reduction
US5924280A (en) * 1997-04-04 1999-07-20 Clean Diesel Technologies, Inc. Reducing NOx emissions from an engine while maximizing fuel economy
US5968464A (en) 1997-05-12 1999-10-19 Clean Diesel Technologies, Inc. Urea pyrolysis chamber and process for reducing lean-burn engine NOx emissions by selective catalytic reduction
BG62687B1 (bg) * 1997-05-15 2000-05-31 "Ламан-Консулт"Оод Златен катализатор за окисление на въглероден оксид и въглеводороди, редуциране на азотни оксиди иразлагане на озон
US6592833B1 (en) * 1999-10-18 2003-07-15 Delphi Technologies, Inc. Method of NOx abatement in high temperature lean NOx catalyst systems
JP2002052379A (ja) * 2000-08-09 2002-02-19 Babcock Hitachi Kk アンモニア含有排水の浄化方法および装置
US7829033B2 (en) 2003-07-03 2010-11-09 Fuel Tech, Inc. Selective catalytic reduction of NOx enabled by sidestream urea decomposition
US7090810B2 (en) 2000-12-01 2006-08-15 Fuel Tech Inc. Selective catalytic reduction of nox enabled by sidestream urea decomposition
JP4969843B2 (ja) 2005-12-09 2012-07-04 新日鉄マテリアルズ株式会社 排ガス浄化用触媒及び排ガス浄化触媒部材
WO2008024367A2 (en) 2006-08-22 2008-02-28 Babcock Power, Inc. Thermal decomposition of urea in a side stream of combustion flue gas using a regenerative heat exchanger
US20080267837A1 (en) 2007-04-27 2008-10-30 Phelps Calvin E Conversion of urea to reactants for NOx reduction

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2213935A1 (de) * 1971-03-23 1972-09-28 Johnson, Matthey & Co. Ltd., London Katalysator
US3784675A (en) * 1971-08-02 1974-01-08 Gulf Research Development Co Process for reducing the content of nitrogen oxides in the exhaust gases from internal combustion engines
GB1414133A (en) * 1971-11-18 1975-11-19 Johnson Matthey Co Ltd Catalysis
US4076792A (en) * 1972-04-12 1978-02-28 Corning Glass Works Catalyst systems for the reduction of the oxides of nitrogen

Also Published As

Publication number Publication date
FR2344323A1 (fr) 1977-10-14
GB1581628A (en) 1980-12-17
ZA771544B (en) 1978-01-25
BE852590A (fr) 1977-09-19
DE2712009A1 (de) 1977-09-22
JPS52116779A (en) 1977-09-30
CA1100292A (en) 1981-05-05

Similar Documents

Publication Publication Date Title
SE7703019L (sv) Katalysforfarande
DK0600962T3 (da) Sølvholdig bærerkatalysator og fremgangsmåde til katalytisk dekomponering af dinitrogenmonoxid
GB1052106A (sv)
GB997611A (en) Catalytic oxidation unit and heater
ES383629A1 (es) Perfeccionamientos en y referentes a la catalisis.
ES8307184A1 (es) Un metodo de eliminar ozono de una corriente gaseosa.
DE3372356D1 (en) Process for the removal of hydrogen from gases
JPS5687430A (en) Catalyst for purifying exhaust gas
KR960021144A (ko) 배기가스 정화용 촉매
ATE395972T1 (de) Presulfatierter und prenitrierter katalysator, enhaltend platinum auf träger bestehend aus magnesiumoxid und ceroxid für die reduktion von no zu n2 mit wasserstoff unter nox- oxidationsbedingungen
ES460525A1 (es) Un metodo de hacer que una operacion de cragueo quede libre de su dependencia de un dispositivo de combustion de co paratratamiento de gases de combustion residuales.
DE3267723D1 (en) Catalysts
ES2107674T3 (es) Catalizador soportado de oxido de aluminio que contiene plata, y procedimiento para la descomposicion de monoxido de dinitrogeno.
GB935951A (en) A process for removing methane or oxygen from a gas containing the same
MY123488A (en) Gas processing agent and manufacturing method therefor, gas purification method, gas purifier and gas purification apparatus
US2747679A (en) Recovery of platinum in catalytic gas reactions
US3950491A (en) Reactivation of automobile exhaust oxidation catalyst
GB1052103A (sv)
IT1002914B (it) Catalizzatore comprendente nichel e rodio su supporto ceramico monoliti co e procedimento di impiego per eliminare gli ossidi di azoto e l ossido di carbonio da gas di scarico
JPS577254A (en) Catalyst for reforming of methanol
GB1123585A (en) Process for the removal of hydrogen and/or oxygen from gaseous mixtures
KR930005672A (ko) 내피독성 촉매, 이의 제조방법 및 이 촉매의 사용방법
KR970020181A (ko) 자동차 배기가스 정화용 촉매
FR2355798A1 (fr) Procede de preparation de diacetoxybutene
ES299208A3 (es) Un procedimiento para oxidar ëxido nitrico a diëxico de nitrëgeno

Legal Events

Date Code Title Description
NAV Patent application has lapsed

Ref document number: 7703019-5