CA925679A - Catalysts for purification of waste gases containing oxides of nitrogen - Google Patents

Catalysts for purification of waste gases containing oxides of nitrogen

Info

Publication number
CA925679A
CA925679A CA085374A CA85374A CA925679A CA 925679 A CA925679 A CA 925679A CA 085374 A CA085374 A CA 085374A CA 85374 A CA85374 A CA 85374A CA 925679 A CA925679 A CA 925679A
Authority
CA
Canada
Prior art keywords
catalysts
purification
nitrogen
waste gases
gases containing
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
CA085374A
Other languages
English (en)
Inventor
C. Dettling Joseph
G. Hindin Saul
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.)
Engelhard Minerals and Chemicals Corp
Original Assignee
Engelhard Minerals and Chemicals Corp
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 Engelhard Minerals and Chemicals Corp filed Critical Engelhard Minerals and Chemicals Corp
Application granted granted Critical
Publication of CA925679A publication Critical patent/CA925679A/en
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
    • B01J23/38—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of noble metals
    • B01J23/54—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of noble metals combined with metals, oxides or hydroxides provided for in groups B01J23/02 - B01J23/36
    • B01J23/56—Platinum group metals
    • B01J23/63—Platinum group metals with rare earths or actinides
    • 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
    • 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
    • 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
    • B01J23/44—Palladium
    • 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
    • B01J35/00—Catalysts, in general, characterised by their form or physical properties
    • B01J35/30—Catalysts, in general, characterised by their form or physical properties characterised by their physical properties
    • 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
    • B01J37/0215—Coating
    • B01J37/0217—Pretreatment of the substrate before coating
    • 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
    • B01J37/0215—Coating
    • B01J37/0221—Coating of particles
    • 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
    • B01J37/024—Multiple impregnation or coating

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)
  • Exhaust Gas Treatment By Means Of Catalyst (AREA)
  • Catalysts (AREA)
CA085374A 1969-06-16 1970-06-12 Catalysts for purification of waste gases containing oxides of nitrogen Expired CA925679A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US83377569A 1969-06-16 1969-06-16

Publications (1)

Publication Number Publication Date
CA925679A true CA925679A (en) 1973-05-08

Family

ID=25265246

Family Applications (1)

Application Number Title Priority Date Filing Date
CA085374A Expired CA925679A (en) 1969-06-16 1970-06-12 Catalysts for purification of waste gases containing oxides of nitrogen

Country Status (7)

Country Link
US (1) US3615166A (fr)
BE (1) BE566486A (fr)
CA (1) CA925679A (fr)
DE (3) DE1135430B (fr)
FR (1) FR1205311A (fr)
GB (1) GB1312479A (fr)
NL (2) NL109842C (fr)

Families Citing this family (31)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4053556A (en) * 1971-06-16 1977-10-11 Johnson, Matthey & Co., Limited Catalysis
GB1405405A (en) * 1971-06-25 1975-09-10 Johnson Matthey Co Ltd Platinum group metal catalysts
US4077913A (en) * 1971-10-28 1978-03-07 Johnson, Matthey & Co., Limited Catalyst
GB1417544A (en) * 1971-11-22 1975-12-10 Johnson Matthey Co Ltd Catalysts containing platinum and rhodium
FR2182614B1 (fr) * 1972-03-17 1978-05-05 Louyot Comptoir Lyon Alemand
JPS5331838B2 (fr) * 1972-04-15 1978-09-05
US3993572A (en) * 1972-08-04 1976-11-23 Engelhard Minerals & Chemicals Corporation Rare earth containing catalyst composition
US4077912A (en) * 1972-10-12 1978-03-07 Standard Oil Company Catalysts useful for exothermic reactions
JPS5237611B2 (fr) * 1973-03-01 1977-09-24
JPS5523086B2 (fr) * 1973-03-26 1980-06-20
JPS5322557B2 (fr) * 1973-04-13 1978-07-10
US4085193A (en) * 1973-12-12 1978-04-18 Mitsubishi Petrochemical Co. Ltd. Catalytic process for reducing nitrogen oxides to nitrogen
JPS50133995A (fr) * 1974-04-11 1975-10-23
FR2299909A1 (fr) * 1975-02-04 1976-09-03 Azote & Prod Chim Epuration des effluents gazeux contenant des oxydes d'azote
US3990998A (en) * 1975-06-03 1976-11-09 Exxon Research And Engineering Company High surface area ruthenium bonding supports on monolithic ceramics
JPS5229487A (en) * 1975-09-01 1977-03-05 Matsushita Electric Ind Co Ltd Oxidation catalyst
JPS5229486A (en) * 1975-09-01 1977-03-05 Matsushita Electric Ind Co Ltd Oxidation catalyst
JPS52117869A (en) * 1976-03-31 1977-10-03 Onoda Cement Co Ltd Method for decreasing nitrogen oxides contained in combustion exhaust gas
US4091086A (en) * 1976-12-20 1978-05-23 Engelhard Minerals & Chemicals Corporation Process for production of hydrogen
US4199435A (en) * 1978-12-04 1980-04-22 Chevron Research Company NOx Control in cracking catalyst regeneration
US4276203A (en) * 1979-04-26 1981-06-30 Acurex Corporation Catalytic system and process for producing it
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
US4293449A (en) * 1980-08-07 1981-10-06 The Standard Oil Company High-surface area coated support for catalysts and process for their preparation
US4735930A (en) * 1986-02-18 1988-04-05 Norton Company Catalyst for the reduction of oxides of nitrogen
US4921830A (en) * 1988-04-13 1990-05-01 Phillips Petroleum Company Catalyst for the oxidation of carbon monoxide
GB9010709D0 (en) * 1990-05-12 1990-07-04 Johnson Matthey Plc Catalytic reduction
US5145825A (en) * 1991-04-08 1992-09-08 Engelhard Corporation Oxidation catalyst resistant to sulfation
US5849256A (en) * 1996-04-26 1998-12-15 Engelhard Corporation Method for oxidizing carbon monoxide in a gas stream containing oxidizable sulphur compounds
US7635461B2 (en) * 2003-06-06 2009-12-22 University Of Utah Research Foundation Composite combustion catalyst and associated methods
US7874432B2 (en) * 2004-03-23 2011-01-25 Velocys Protected alloy surfaces in microchannel apparatus and catalysts, alumina supported catalysts, catalyst intermediates, and methods of forming catalysts and microchannel apparatus
US20060217263A1 (en) * 2005-03-24 2006-09-28 Tokyo Roki Co., Ltd Exhaust gas purification catalyst

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR828334A (fr) * 1936-10-29 1938-05-16 Heyden Chem Fab Procédé de fabrication d'oxyde de thorium possédant des propriétés réactionnelles particulièrement bonnes, et de supports pour matières de contact, à partir de sels complexes d'oxalate de thorium
US2552555A (en) * 1947-12-06 1951-05-15 Eugene J Houdry Process of preventing detonation in internal-combustion engines and means adapted topractice said process
US2668752A (en) * 1949-11-09 1954-02-09 Fmc Corp Process for the production of carbon disulfide
US3507813A (en) * 1963-04-03 1970-04-21 Sinclair Research Inc Oxidation catalyst comprising fused mixture of oxides of vanadium,zirconium and lanthanide series metal

Also Published As

Publication number Publication date
FR1205311A (fr) 1960-02-02
BE566486A (fr) 1958-04-30
US3615166A (en) 1971-10-26
NL109842C (fr) 1964-11-16
GB1312479A (en) 1973-04-04
DE1135430B (de) 1962-08-30
DE2029500A1 (fr) 1970-12-23
DE1135429B (de) 1962-08-30
NL7008799A (fr) 1970-12-18

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