DE2029500A1 - - Google Patents

Info

Publication number
DE2029500A1
DE2029500A1 DE19702029500 DE2029500A DE2029500A1 DE 2029500 A1 DE2029500 A1 DE 2029500A1 DE 19702029500 DE19702029500 DE 19702029500 DE 2029500 A DE2029500 A DE 2029500A DE 2029500 A1 DE2029500 A1 DE 2029500A1
Authority
DE
Germany
Prior art keywords
oxide
core
catalyst
coating
thorium
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.)
Pending
Application number
DE19702029500
Other languages
German (de)
English (en)
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 filed Critical
Publication of DE2029500A1 publication Critical patent/DE2029500A1/de
Pending 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
    • 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
    • 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
    • B01J2235/00—Indexing scheme associated with group B01J35/00, related to the analysis techniques used to determine the catalysts form or properties
    • B01J2235/15—X-ray diffraction
    • 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

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Organic Chemistry (AREA)
  • Materials Engineering (AREA)
  • Environmental & Geological Engineering (AREA)
  • Biomedical Technology (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • General Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Health & Medical Sciences (AREA)
  • Catalysts (AREA)
  • Exhaust Gas Treatment By Means Of Catalyst (AREA)
DE19702029500 1969-06-16 1970-06-15 Pending DE2029500A1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

Applications Claiming Priority (1)

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

Publications (1)

Publication Number Publication Date
DE2029500A1 true DE2029500A1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1970-12-23

Family

ID=25265246

Family Applications (3)

Application Number Title Priority Date Filing Date
DEE21207A Pending DE1135429B (de) 1969-06-16 1958-04-02 Verfahren zur Reinigung von Abgasen, die Oxyde des Stickstoffs und Sauerstoff enthalten
DEE21208A Pending DE1135430B (de) 1969-06-16 1958-04-02 Verfahren zur selektiven Reduktion von Oxyden des Stickstoffs in Abgasgemischen, diebei der Herstellung von Salpetersaeure aus Ammoniak anfallen
DE19702029500 Pending DE2029500A1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1969-06-16 1970-06-15

Family Applications Before (2)

Application Number Title Priority Date Filing Date
DEE21207A Pending DE1135429B (de) 1969-06-16 1958-04-02 Verfahren zur Reinigung von Abgasen, die Oxyde des Stickstoffs und Sauerstoff enthalten
DEE21208A Pending DE1135430B (de) 1969-06-16 1958-04-02 Verfahren zur selektiven Reduktion von Oxyden des Stickstoffs in Abgasgemischen, diebei der Herstellung von Salpetersaeure aus Ammoniak anfallen

Country Status (7)

Country Link
US (1) US3615166A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
BE (1) BE566486A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
CA (1) CA925679A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
DE (3) DE1135429B (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
FR (1) FR1205311A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
GB (1) GB1312479A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
NL (2) NL109842C (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0234441A3 (en) * 1986-02-18 1988-11-09 Norton Company Catalyst for reduction of oxides of nitrogen

Families Citing this family (30)

* 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 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) * 1972-03-17 1978-05-05 Louyot Comptoir Lyon Alemand
JPS5331838B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) * 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 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) * 1973-03-01 1977-09-24
JPS5523086B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) * 1973-03-26 1980-06-20
JPS5322557B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) * 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 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) * 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
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
EP1704910B1 (en) * 2005-03-24 2018-09-19 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

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0234441A3 (en) * 1986-02-18 1988-11-09 Norton Company Catalyst for reduction of oxides of nitrogen

Also Published As

Publication number Publication date
NL7008799A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1970-12-18
DE1135430B (de) 1962-08-30
GB1312479A (en) 1973-04-04
CA925679A (en) 1973-05-08
NL109842C (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1964-11-16
DE1135429B (de) 1962-08-30
FR1205311A (fr) 1960-02-02
BE566486A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1958-04-30
US3615166A (en) 1971-10-26

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