RO68994A - Procedeu de reactivare a catalizatorilor utilizati in procesul de obtinere a oxidului de etilena - Google Patents

Procedeu de reactivare a catalizatorilor utilizati in procesul de obtinere a oxidului de etilena

Info

Publication number
RO68994A
RO68994A RO7685957A RO8595776A RO68994A RO 68994 A RO68994 A RO 68994A RO 7685957 A RO7685957 A RO 7685957A RO 8595776 A RO8595776 A RO 8595776A RO 68994 A RO68994 A RO 68994A
Authority
RO
Romania
Prior art keywords
ethylene oxide
catalysts used
obtaining ethylene
reactivating catalysts
reactivating
Prior art date
Application number
RO7685957A
Other languages
English (en)
French (fr)
Inventor
Siegfried Rebsdat
Sigmund Mayer
Josef Alfranseder
Original Assignee
Hoechst Ag,De
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 DE19752519599 external-priority patent/DE2519599C2/de
Priority claimed from DE2611856A external-priority patent/DE2611856C2/de
Application filed by Hoechst Ag,De filed Critical Hoechst Ag,De
Publication of RO68994A publication Critical patent/RO68994A/ro

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
    • B01J38/00—Regeneration or reactivation of catalysts, in general
    • B01J38/48—Liquid treating or treating in liquid phase, e.g. dissolved or suspended
    • B01J38/485—Impregnating or reimpregnating with, or deposition of metal compounds or catalytically active elements
    • 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
    • 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
    • Y02P20/584—Recycling of catalysts

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Catalysts (AREA)
  • Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
RO7685957A 1975-05-02 1976-04-30 Procedeu de reactivare a catalizatorilor utilizati in procesul de obtinere a oxidului de etilena RO68994A (ro)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19752519599 DE2519599C2 (de) 1975-05-02 1975-05-02 Verfahren zum reaktivieren von gebrauchten silber-traegerkatalysatoren
DE2611856A DE2611856C2 (de) 1976-03-20 1976-03-20 Verfahren zur Reaktivierung von gebrauchten Silberkatalysatoren zur Herstellung von Äthylenoxid nach dem Direktoxidationsverfahren

Publications (1)

Publication Number Publication Date
RO68994A true RO68994A (ro) 1982-05-10

Family

ID=25768838

Family Applications (1)

Application Number Title Priority Date Filing Date
RO7685957A RO68994A (ro) 1975-05-02 1976-04-30 Procedeu de reactivare a catalizatorilor utilizati in procesul de obtinere a oxidului de etilena

Country Status (20)

Country Link
US (1) US4051068A (ro)
JP (1) JPS5235193A (ro)
AR (1) AR209650A1 (ro)
BG (1) BG28244A3 (ro)
BR (1) BR7602685A (ro)
CA (1) CA1076546A (ro)
CS (1) CS196309B2 (ro)
DD (1) DD127022A5 (ro)
DK (1) DK194376A (ro)
ES (1) ES447348A1 (ro)
FR (1) FR2309278A1 (ro)
GB (1) GB1545840A (ro)
IT (1) IT1059250B (ro)
LU (1) LU74871A1 (ro)
NL (1) NL179553C (ro)
NO (1) NO761498L (ro)
PL (1) PL103021B1 (ro)
PT (1) PT65063B (ro)
RO (1) RO68994A (ro)
SE (1) SE415530B (ro)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2636680C3 (de) * 1976-08-14 1979-04-05 Hoechst Ag, 6000 Frankfurt Verfahren zur Verbesserung der Wirksamkeit von Silber-Trägerkatalysatoren
DE2649359C3 (de) * 1976-10-29 1979-07-26 Hoechst Ag, 6000 Frankfurt Verfahren zur Verbesserung der Wirksamkeit von gebrauchten Silber-Trägerkatalysatoren
DE2740480B2 (de) * 1977-09-08 1979-07-05 Hoechst Ag, 6000 Frankfurt Verfahren zur Verbesserung der Wirksamkeit von Silber-Trägerkatalysatoren
DE3229541A1 (de) * 1982-08-07 1984-02-09 Hoechst Ag, 6230 Frankfurt Verfahren zur verbesserung der wirksamkeit von gebrauchten silber-traegerkatalysatoren
JPS6110570A (ja) * 1984-06-25 1986-01-18 Mitsui Toatsu Chem Inc エチレンオキシドの製造方法
AU586048B2 (en) * 1985-11-12 1989-06-29 Nippon Shokubai Kagaku Kogyo Co. Ltd. Silver catalyst for production of ethylene oxide and method for manufacture thereof
JPH064400U (ja) * 1991-09-04 1994-01-21 株式会社鶴見製作所 真空吸引装置の吸揚管路
BRPI0920425A2 (pt) * 2008-10-08 2015-08-04 Basf Se Processo continuo para produzir um óxido de alquileno.

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2615899A (en) * 1949-06-23 1952-10-28 Du Pont Catalyst and process for ethylene oxide manufacture
US2687380A (en) * 1950-05-01 1954-08-24 Chempatents Inc Regeneration of a silver catalyst useful in the preparation of ethylene oxide
BE779699R (nl) * 1971-03-01 1972-08-23 Shell Int Research Werkwijze voor het activeren van
US4012425A (en) * 1972-01-07 1977-03-15 Shell Oil Company Ethylene oxide process
US3899445A (en) * 1972-06-01 1975-08-12 Toray Industries Catalyst for oxidation of ethylene to ethylene oxide

Also Published As

Publication number Publication date
FR2309278A1 (fr) 1976-11-26
BR7602685A (pt) 1976-11-09
PT65063A (de) 1976-05-01
NL7604472A (nl) 1976-11-04
ES447348A1 (es) 1977-07-01
JPS5235193A (en) 1977-03-17
PL103021B1 (pl) 1979-05-31
LU74871A1 (ro) 1977-02-08
AU1351876A (en) 1977-11-03
PT65063B (de) 1978-01-03
AR209650A1 (es) 1977-05-13
CA1076546A (en) 1980-04-29
IT1059250B (it) 1982-05-31
NL179553C (nl) 1986-10-01
NL179553B (nl) 1986-05-01
DK194376A (da) 1976-11-03
SE7604950L (sv) 1976-11-03
JPS5647817B2 (ro) 1981-11-12
US4051068A (en) 1977-09-27
BG28244A3 (en) 1980-03-25
DD127022A5 (ro) 1977-08-31
FR2309278B1 (ro) 1979-07-13
NO761498L (ro) 1976-11-03
GB1545840A (en) 1979-05-16
SE415530B (sv) 1980-10-13
CS196309B2 (en) 1980-03-31

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