AU573867B2 - Silver and cesium catalyst - Google Patents

Silver and cesium catalyst

Info

Publication number
AU573867B2
AU573867B2 AU45197/85A AU4519785A AU573867B2 AU 573867 B2 AU573867 B2 AU 573867B2 AU 45197/85 A AU45197/85 A AU 45197/85A AU 4519785 A AU4519785 A AU 4519785A AU 573867 B2 AU573867 B2 AU 573867B2
Authority
AU
Australia
Prior art keywords
silver
cesium catalyst
cesium
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.)
Ceased
Application number
AU45197/85A
Other versions
AU4519785A (en
Inventor
Josef Alfranseder
Herbert Kaulich
Sigmund Mayer
Siegfried Rebsdat
Iwo Schaffelhofer
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.)
Hoechst AG
Original Assignee
Hoechst AG
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 Hoechst AG filed Critical Hoechst AG
Publication of AU4519785A publication Critical patent/AU4519785A/en
Application granted granted Critical
Publication of AU573867B2 publication Critical patent/AU573867B2/en
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

Links

Classifications

    • 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
    • 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
    • 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

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Catalysts (AREA)
  • Epoxy Compounds (AREA)
  • Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
AU45197/85A 1984-07-20 1985-07-19 Silver and cesium catalyst Ceased AU573867B2 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE3426699 1984-07-20
DE19843426699 DE3426699A1 (en) 1984-07-20 1984-07-20 METHOD FOR IMPROVING THE EFFECTIVENESS OF SILVER CARRIER CATALYSTS

Publications (2)

Publication Number Publication Date
AU4519785A AU4519785A (en) 1986-01-23
AU573867B2 true AU573867B2 (en) 1988-06-23

Family

ID=6241082

Family Applications (1)

Application Number Title Priority Date Filing Date
AU45197/85A Ceased AU573867B2 (en) 1984-07-20 1985-07-19 Silver and cesium catalyst

Country Status (11)

Country Link
EP (1) EP0168782B1 (en)
JP (1) JPS6138628A (en)
AU (1) AU573867B2 (en)
BR (1) BR8503457A (en)
CS (1) CS251793B2 (en)
DD (1) DD232840A5 (en)
DE (2) DE3426699A1 (en)
ES (1) ES8604034A1 (en)
MX (1) MX168129B (en)
PL (1) PL254624A1 (en)
RO (1) RO92340B (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB8610441D0 (en) * 1986-04-29 1986-06-04 Shell Int Research Preparation of silver-containing catalyst
US4874879A (en) * 1988-07-25 1989-10-17 Shell Oil Company Process for starting-up an ethylene oxide reactor
DE3905578A1 (en) * 1989-02-23 1990-08-30 Basf Ag METHOD FOR PRODUCING A SILVER CATALYST
TW200728294A (en) * 2005-12-22 2007-08-01 Shell Int Research A method for reusing rhenium from a donor spent epoxidation catalyst

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0101008A2 (en) * 1982-08-07 1984-02-22 Hoechst Aktiengesellschaft Process for enhancing the activity of a used supported silver catalyst

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2636680C3 (en) * 1976-08-14 1979-04-05 Hoechst Ag, 6000 Frankfurt Process for improving the effectiveness of supported silver catalysts
GB1575810A (en) * 1976-10-21 1980-10-01 Shell Int Research Process for the performance of silver catalysts
US4350616A (en) * 1980-07-03 1982-09-21 The Dow Chemical Company Method of making catalysts for the production of ethylene oxide

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0101008A2 (en) * 1982-08-07 1984-02-22 Hoechst Aktiengesellschaft Process for enhancing the activity of a used supported silver catalyst

Also Published As

Publication number Publication date
JPS6138628A (en) 1986-02-24
EP0168782A3 (en) 1986-04-23
DE3564384D1 (en) 1988-09-22
BR8503457A (en) 1986-04-15
EP0168782B1 (en) 1988-08-17
RO92340A (en) 1987-08-31
PL254624A1 (en) 1986-06-17
DD232840A5 (en) 1986-02-12
MX168129B (en) 1993-05-04
RO92340B (en) 1987-09-01
DE3426699A1 (en) 1986-01-23
AU4519785A (en) 1986-01-23
CS251793B2 (en) 1987-08-13
ES545356A0 (en) 1986-02-01
ES8604034A1 (en) 1986-02-01
EP0168782A2 (en) 1986-01-22

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