DE3781629D1 - Platin-beschichtete platin- und rhodium-katalysatorfasern, ihre herstellung und verwendung zur oxydation von ammoniak. - Google Patents

Platin-beschichtete platin- und rhodium-katalysatorfasern, ihre herstellung und verwendung zur oxydation von ammoniak.

Info

Publication number
DE3781629D1
DE3781629D1 DE8787306781T DE3781629T DE3781629D1 DE 3781629 D1 DE3781629 D1 DE 3781629D1 DE 8787306781 T DE8787306781 T DE 8787306781T DE 3781629 T DE3781629 T DE 3781629T DE 3781629 D1 DE3781629 D1 DE 3781629D1
Authority
DE
Germany
Prior art keywords
platinum
oxydation
ammonia
production
rhodium catalyst
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 - Lifetime
Application number
DE8787306781T
Other languages
English (en)
Other versions
DE3781629T2 (de
Inventor
Hyo C Lee
Robert J Farrauto
Robert W Hatfield
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.)
BASF Catalysts LLC
Original Assignee
Engelhard 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
Priority claimed from US06/888,179 external-priority patent/US4863893A/en
Priority claimed from US06/887,578 external-priority patent/US5108730A/en
Application filed by Engelhard Corp filed Critical Engelhard Corp
Application granted granted Critical
Publication of DE3781629D1 publication Critical patent/DE3781629D1/de
Publication of DE3781629T2 publication Critical patent/DE3781629T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B21/00—Nitrogen; Compounds thereof
    • C01B21/20—Nitrogen oxides; Oxyacids of nitrogen; Salts thereof
    • C01B21/24—Nitric oxide (NO)
    • C01B21/26—Preparation by catalytic or non-catalytic oxidation of ammonia
    • C01B21/267—Means for preventing deterioration or loss of catalyst or for recovering lost 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
    • B01J35/00—Catalysts, in general, characterised by their form or physical properties
    • B01J35/50—Catalysts, in general, characterised by their form or physical properties characterised by their shape or configuration
    • B01J35/58—Fabrics or filaments
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B21/00—Nitrogen; Compounds thereof
    • C01B21/20—Nitrogen oxides; Oxyacids of nitrogen; Salts thereof
    • C01B21/24—Nitric oxide (NO)
    • C01B21/26—Preparation by catalytic or non-catalytic oxidation of ammonia
    • C01B21/265—Preparation by catalytic or non-catalytic oxidation of ammonia characterised by the 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
    • B01J23/42—Platinum
    • 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
    • B01J23/464—Rhodium

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Inorganic Chemistry (AREA)
  • Catalysts (AREA)
DE8787306781T 1986-08-06 1987-07-30 Platin-beschichtete platin- und rhodium-katalysatorfasern, ihre herstellung und verwendung zur oxydation von ammoniak. Expired - Fee Related DE3781629T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US06/888,179 US4863893A (en) 1986-08-06 1986-08-06 Low temperature light off ammonia oxidation
US06/887,578 US5108730A (en) 1986-08-06 1986-08-06 Low temperatue light off ammonia oxidation

Publications (2)

Publication Number Publication Date
DE3781629D1 true DE3781629D1 (de) 1992-10-15
DE3781629T2 DE3781629T2 (de) 1993-02-18

Family

ID=27128845

Family Applications (1)

Application Number Title Priority Date Filing Date
DE8787306781T Expired - Fee Related DE3781629T2 (de) 1986-08-06 1987-07-30 Platin-beschichtete platin- und rhodium-katalysatorfasern, ihre herstellung und verwendung zur oxydation von ammoniak.

Country Status (3)

Country Link
EP (1) EP0259966B1 (de)
DE (1) DE3781629T2 (de)
GR (1) GR3005935T3 (de)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5656567A (en) * 1990-07-31 1997-08-12 Pgp Industries, Inc. Self-gettering catalysts
GB9016788D0 (en) * 1990-07-31 1990-09-12 Heywood Alan E Improvements in or relating to self-gettering catalysts
DE4028916C2 (de) * 1990-09-12 1994-05-05 Heraeus Gmbh W C Aus Draht gewebtes Katalysator-Netz aus den Edelmetall-Legierungen Platin/Rhodium oder Platin/Rhodium/Palladium
DE4206199C1 (de) * 1991-03-16 1992-11-12 Degussa Ag, 6000 Frankfurt, De
US5268157A (en) * 1991-03-16 1993-12-07 Degussa Aktiengesellschaft Process for the production of catalytic gas permeable nets and process for oxidizing ammonia
US5160722A (en) * 1991-06-17 1992-11-03 Johnson Matthey, Inc. Low pressure drop, high surface area ammonia oxidation catalyst
US5356603A (en) * 1991-06-17 1994-10-18 Johnson Matthey Inc. Method for the production of hydrocyanic acid using a corrugated catalyst
IL102043A0 (en) * 1991-06-17 1992-12-30 Johnson Matthey Inc Low pressure drop,high surface area ammonia oxidation catalyst and catalyst for production of hydrocyanic acid
GB2274071A (en) * 1993-01-06 1994-07-13 Pgp Ind Inc Catalyst pack
DE19636064A1 (de) * 1996-09-05 1998-03-12 Basf Ag Verfahren zur Hydrierung
DE102017209257A1 (de) * 2017-06-01 2018-12-06 Thyssenkrupp Ag Verfahren zur katalytischen Oxidation von Ammoniakgas
EP3900826A1 (de) * 2020-04-22 2021-10-27 UMICORE AG & Co. KG Edelmetallnetz fuer die katalysierung von gasphasenreaktionen
EP4310209A1 (de) * 2022-07-19 2024-01-24 Yara International ASA Verfahren zur rückgewinnung von flüchtigen pt oder pd und system dafür

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2719797A (en) * 1950-05-23 1955-10-04 Baker & Co Inc Platinizing tantalum
FR2133216A5 (de) * 1971-04-13 1972-11-24 Louyot Comptoir Lyon Alemand
ZA735209B (en) * 1973-04-30 1974-07-31 Universal Oil Prod Co Small coil-shaped all-metal catalyst
JPS5018878B1 (de) * 1974-08-03 1975-07-02
FR2445173A1 (fr) * 1978-12-27 1980-07-25 Inst Nawozow Sztucznych Charge stratifiee de catalyseur a base de metaux precieux pour l'oxydation de l'ammoniac, conduisant a la formation d'oxyde d'azote

Also Published As

Publication number Publication date
EP0259966B1 (de) 1992-09-09
EP0259966A1 (de) 1988-03-16
DE3781629T2 (de) 1993-02-18
GR3005935T3 (de) 1993-06-07

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee