FR2495958B1 - - Google Patents

Info

Publication number
FR2495958B1
FR2495958B1 FR8026624A FR8026624A FR2495958B1 FR 2495958 B1 FR2495958 B1 FR 2495958B1 FR 8026624 A FR8026624 A FR 8026624A FR 8026624 A FR8026624 A FR 8026624A FR 2495958 B1 FR2495958 B1 FR 2495958B1
Authority
FR
France
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
FR8026624A
Other languages
French (fr)
Other versions
FR2495958A1 (fr
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Priority to FR8026624A priority Critical patent/FR2495958A1/fr
Publication of FR2495958A1 publication Critical patent/FR2495958A1/fr
Application granted granted Critical
Publication of FR2495958B1 publication Critical patent/FR2495958B1/fr
Granted 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
    • B01J23/90—Regeneration or reactivation
    • B01J23/96—Regeneration or reactivation of catalysts comprising metals, oxides or hydroxides of the noble 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
    • B01J23/48—Silver or gold
    • B01J23/50—Silver
    • 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
    • B01J23/66—Silver or gold
    • 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
    • B01J35/391—Physical properties of the active metal ingredient
    • B01J35/393—Metal or metal oxide crystallite size
    • 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
    • B01J8/00—Chemical or physical processes in general, conducted in the presence of fluids and solid particles; Apparatus for such processes
    • B01J8/08—Chemical or physical processes in general, conducted in the presence of fluids and solid particles; Apparatus for such processes with moving 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
    • B01J8/00—Chemical or physical processes in general, conducted in the presence of fluids and solid particles; Apparatus for such processes
    • B01J8/18—Chemical or physical processes in general, conducted in the presence of fluids and solid particles; Apparatus for such processes with fluidised particles
    • B01J8/1845—Chemical or physical processes in general, conducted in the presence of fluids and solid particles; Apparatus for such processes with fluidised particles with particles moving upwards while fluidised
    • B01J8/1863—Chemical or physical processes in general, conducted in the presence of fluids and solid particles; Apparatus for such processes with fluidised particles with particles moving upwards while fluidised followed by a downward movement outside the reactor and subsequently re-entering it
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07D—HETEROCYCLIC COMPOUNDS
    • C07D301/00—Preparation of oxiranes
    • C07D301/02—Synthesis of the oxirane ring
    • C07D301/03—Synthesis of the oxirane ring by oxidation of unsaturated compounds, or of mixtures of unsaturated and saturated compounds
    • C07D301/04—Synthesis of the oxirane ring by oxidation of unsaturated compounds, or of mixtures of unsaturated and saturated compounds with air or molecular oxygen
    • C07D301/08—Synthesis of the oxirane ring by oxidation of unsaturated compounds, or of mixtures of unsaturated and saturated compounds with air or molecular oxygen in the gaseous phase
    • C07D301/10—Synthesis of the oxirane ring by oxidation of unsaturated compounds, or of mixtures of unsaturated and saturated compounds with air or molecular oxygen in the gaseous phase with catalysts containing silver or gold
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P20/00—Technologies relating to chemical industry
    • Y02P20/50—Improvements relating to the production of bulk chemicals
    • Y02P20/52—Improvements relating to the production of bulk chemicals using catalysts, e.g. selective catalysts
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P20/00—Technologies relating to chemical industry
    • Y02P20/50—Improvements relating to the production of bulk chemicals
    • Y02P20/584—Recycling of catalysts

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Combustion & Propulsion (AREA)
  • Catalysts (AREA)
  • Epoxy Compounds (AREA)
FR8026624A 1980-12-12 1980-12-12 Catalyseurs a l'argent pour la synthese de l'oxyde d'ethylene et de l'oxyde de propylene par un procede regeneratif Granted FR2495958A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR8026624A FR2495958A1 (fr) 1980-12-12 1980-12-12 Catalyseurs a l'argent pour la synthese de l'oxyde d'ethylene et de l'oxyde de propylene par un procede regeneratif

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR8026624A FR2495958A1 (fr) 1980-12-12 1980-12-12 Catalyseurs a l'argent pour la synthese de l'oxyde d'ethylene et de l'oxyde de propylene par un procede regeneratif

Publications (2)

Publication Number Publication Date
FR2495958A1 FR2495958A1 (fr) 1982-06-18
FR2495958B1 true FR2495958B1 (en:Method) 1983-02-11

Family

ID=9249117

Family Applications (1)

Application Number Title Priority Date Filing Date
FR8026624A Granted FR2495958A1 (fr) 1980-12-12 1980-12-12 Catalyseurs a l'argent pour la synthese de l'oxyde d'ethylene et de l'oxyde de propylene par un procede regeneratif

Country Status (1)

Country Link
FR (1) FR2495958A1 (en:Method)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4555501A (en) * 1984-05-14 1985-11-26 The Halcon Sd Group, Inc. Process for preparing silver catalysts
JP2561678B2 (ja) * 1987-11-06 1996-12-11 三菱化学株式会社 エチレンオキシド製造用銀触媒
DE4311608A1 (de) * 1993-04-08 1994-12-15 Huels Chemische Werke Ag Silberkatalysator zur Oxidation von Ethylen zu Ethylenoxid und Verfahren zur Herstellung von Ethylenoxid
US5864047A (en) * 1997-04-10 1999-01-26 Arco Chemical Technology, L.P. Propylene oxide process using alkaline earth metal compound-supported silver catalysts containing rhenium and potassium promoters

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3423328A (en) * 1965-11-22 1969-01-21 Engelhard Ind Inc Silver-barium catalyst
DE1904642A1 (de) * 1969-01-31 1970-08-27 Huels Chemische Werke Ag Verfahren zur Herstellung von Silberkatalysatoren fuer die Herstellung von AEthylenoxid
GB1491447A (en) * 1973-12-05 1977-11-09 Ici Ltd Alkylene oxide production and catalysts therefor
FR2250746A1 (en) * 1973-11-09 1975-06-06 Gelbshtein Anatoly Ethylene oxide prodn using a silver catalyst - from ethylene and oxygen
DE2400528C3 (de) * 1974-01-07 1978-03-09 Ordena Trudovogo Krasnogo Znameni Institut Neftechimitscheskich Prosessov Imeni Akademika Ju.G. Mamedalieva, Akademii Nauk Aserbajdschanskoj Ssr, Baku (Sowjetunion) Vorrichtung zur Durchführung der exothermen Dampfphasenoxydation von Kohlenwasserstoffen

Also Published As

Publication number Publication date
FR2495958A1 (fr) 1982-06-18

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Legal Events

Date Code Title Description
ST Notification of lapse