DE2519599C2 - Verfahren zum reaktivieren von gebrauchten silber-traegerkatalysatoren - Google Patents

Verfahren zum reaktivieren von gebrauchten silber-traegerkatalysatoren

Info

Publication number
DE2519599C2
DE2519599C2 DE19752519599 DE2519599A DE2519599C2 DE 2519599 C2 DE2519599 C2 DE 2519599C2 DE 19752519599 DE19752519599 DE 19752519599 DE 2519599 A DE2519599 A DE 2519599A DE 2519599 C2 DE2519599 C2 DE 2519599C2
Authority
DE
Germany
Prior art keywords
ppm
catalyst
cesium
water
rubidium
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
Application number
DE19752519599
Other languages
German (de)
English (en)
Other versions
DE2519599B1 (de
Inventor
Josef Alfranseder
Siegmund Mayer
Siegfried Dr Rebsdat
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
Priority to DE19752519599 priority Critical patent/DE2519599C2/de
Priority to ZA762463A priority patent/ZA762463B/xx
Priority to ES447348A priority patent/ES447348A1/es
Priority to NLAANVRAGE7604472,A priority patent/NL179553C/xx
Priority to US05/680,778 priority patent/US4051068A/en
Priority to BG033057A priority patent/BG28244A3/xx
Priority to CS762838A priority patent/CS196309B2/cs
Priority to SE7604950A priority patent/SE415530B/xx
Priority to IT22883/76A priority patent/IT1059250B/it
Priority to AU13518/76A priority patent/AU495633B2/en
Priority to DD192626A priority patent/DD127022A5/xx
Priority to SU762352254A priority patent/SU643071A3/ru
Priority to PL1976189199A priority patent/PL103021B1/pl
Priority to AR263167A priority patent/AR209650A1/es
Priority to PT65063A priority patent/PT65063B/pt
Priority to NO761498A priority patent/NO761498L/no
Priority to BR2685/76A priority patent/BR7602685A/pt
Priority to GB17714/76A priority patent/GB1545840A/en
Priority to DK194376A priority patent/DK194376A/da
Priority to LU74871A priority patent/LU74871A1/xx
Priority to CA251,591A priority patent/CA1076546A/fr
Priority to RO7685957A priority patent/RO68994A/fr
Priority to JP51049415A priority patent/JPS5235193A/ja
Priority to FR7613114A priority patent/FR2309278A1/fr
Priority to BE166685A priority patent/BE841408A/fr
Publication of DE2519599B1 publication Critical patent/DE2519599B1/de
Application granted granted Critical
Publication of DE2519599C2 publication Critical patent/DE2519599C2/de
Expired 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
    • 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)
DE19752519599 1975-05-02 1975-05-02 Verfahren zum reaktivieren von gebrauchten silber-traegerkatalysatoren Expired DE2519599C2 (de)

Priority Applications (25)

Application Number Priority Date Filing Date Title
DE19752519599 DE2519599C2 (de) 1975-05-02 1975-05-02 Verfahren zum reaktivieren von gebrauchten silber-traegerkatalysatoren
ZA762463A ZA762463B (en) 1975-05-02 1976-04-26 Process for reactivating silver catalysts used in the manufacture of ethylene oxide by direct oxidation
ES447348A ES447348A1 (es) 1975-05-02 1976-04-26 Procedimiento para la reactivacion de catalizadores de platausados para obtener oxido de etileno de acuerdo con el pro- cedimiento de oxidacion directa.
NLAANVRAGE7604472,A NL179553C (nl) 1975-05-02 1976-04-27 Werkwijze voor het heractiveren van gebruikte zilverkatalysatoren voor het bereiden van ethyleenoxyde door oxydatie van etheen.
US05/680,778 US4051068A (en) 1975-05-02 1976-04-27 Process for reactivating silver catalysts used in the manufacture of ethylene oxide by direct oxidation
BG033057A BG28244A3 (en) 1975-05-02 1976-04-28 Method of reactidation of used by ethelene oxide production based on the method of direct oxdation of argentic catalysts over carriers
SE7604950A SE415530B (sv) 1975-05-02 1976-04-29 Forfarande for reaktivering av anvenda silverkatalysatorer for framstellning av etylenoxid enligt direktoxidationsforfarandet
CS762838A CS196309B2 (en) 1975-05-02 1976-04-29 Method of reactivation of the spent silver catalysts on the carrier
LU74871A LU74871A1 (fr) 1975-05-02 1976-04-30
DD192626A DD127022A5 (fr) 1975-05-02 1976-04-30
SU762352254A SU643071A3 (ru) 1975-05-02 1976-04-30 Способ реактивации отработанного серебр ного катализатора дл окислени этилена в окись этилена
PL1976189199A PL103021B1 (pl) 1975-05-02 1976-04-30 Sposob reaktywowania zuzytych katalizatorow srebrowych na nosniku do wytwarzania tlenku etylenu przez reakcje etylenu z tlenem czasteczkowym albo powietrzem
IT22883/76A IT1059250B (it) 1975-05-02 1976-04-30 Processo per la riattivazione di catalizzatori d argento usati per la produzione di ossido di etilene secondo il processo del l ossidazione diretta
PT65063A PT65063B (de) 1975-05-02 1976-04-30 Verfahren zur reaktivierung von gebrauchten silberkatalysatoren zur herstellung von athylenoxid nach dem direktoxidationsverfahren
NO761498A NO761498L (fr) 1975-05-02 1976-04-30
BR2685/76A BR7602685A (pt) 1975-05-02 1976-04-30 Processo para a reativacao de catalisadores de prata usados destinados a obtencao de oxido de etileno pelo processo de oxidacao direta
GB17714/76A GB1545840A (en) 1975-05-02 1976-04-30 Process for the efficiency of silver catalysts used in the manufacture of ethylene oxide
DK194376A DK194376A (da) 1975-05-02 1976-04-30 Fremgangsmade til reaktivering af brugte solvkatalysatorer til fremstilling af ethylenoxid ifolge direktoxidationsmetoden
AU13518/76A AU495633B2 (en) 1976-04-30 Process for reactivating silver catalysts used inthe manufacture of ethylene oxide by direct oxidation
CA251,591A CA1076546A (fr) 1975-05-02 1976-04-30 Procede de reactivation des catalyseurs a l'argent, utilises dans la production d'ethylene par oxydation directe
RO7685957A RO68994A (fr) 1975-05-02 1976-04-30 Procede de reactivation des catalyseurs utilises dans le processu d'obtention de l'oxyde d'ethylene
AR263167A AR209650A1 (es) 1975-05-02 1976-04-30 Procedimiento para la reactivacion de catalizadores de plata usados para obtener oxido de etileno de acuerdo con el procedimiento de oxidacion directa
JP51049415A JPS5235193A (en) 1975-05-02 1976-05-01 Method of reactivating silver catalysts used for manufacturing ethylene oxide by direct oxidation
FR7613114A FR2309278A1 (fr) 1975-05-02 1976-05-03 Procede de reactivation de catalyseurs
BE166685A BE841408A (fr) 1975-05-02 1976-05-03 Procede de reactivation de catalyseurs

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19752519599 DE2519599C2 (de) 1975-05-02 1975-05-02 Verfahren zum reaktivieren von gebrauchten silber-traegerkatalysatoren

Publications (2)

Publication Number Publication Date
DE2519599B1 DE2519599B1 (de) 1976-07-01
DE2519599C2 true DE2519599C2 (de) 1977-02-17

Family

ID=5945588

Family Applications (1)

Application Number Title Priority Date Filing Date
DE19752519599 Expired DE2519599C2 (de) 1975-05-02 1975-05-02 Verfahren zum reaktivieren von gebrauchten silber-traegerkatalysatoren

Country Status (4)

Country Link
BE (1) BE841408A (fr)
DE (1) DE2519599C2 (fr)
SU (1) SU643071A3 (fr)
ZA (1) ZA762463B (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4125480A (en) 1976-10-21 1978-11-14 Shell Oil Company Process for reactivating used silver ethylene oxide catalysts
US4278562A (en) 1977-11-19 1981-07-14 Basf Aktiengesellschaft Manufacture of an ethylene oxide catalyst

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1569974A (en) * 1976-03-05 1980-06-25 Ici Ltd Restoration of selectivity to catalysts used in the production of olefine oxides
DE2649359C3 (de) * 1976-10-29 1979-07-26 Hoechst Ag, 6000 Frankfurt Verfahren zur Verbesserung der Wirksamkeit von gebrauchten Silber-Trägerkatalysatoren
DE2940480A1 (de) * 1978-10-05 1980-04-17 Mitsui Toatsu Chemicals Verfahren zur reaktivierung von silberkatalysatoren, die bei der herstellung von aethylenoxid durch direkte katalytische gasphasenoxidation von aethylen verwendet worden sind
DE2904919A1 (de) * 1979-02-09 1980-08-21 Basf Ag Verfahren zur herstellung und regenerierung von traegerkatalysatoren sowie deren verwendung fuer die herstellung von aethylenoxid
DE2916887C2 (de) * 1979-04-26 1981-12-17 Chemische Werke Hüls AG, 4370 Marl Verfahren zum Aktivieren oder Reaktivieren von Silber-Träger-Katalysatoren
DE2936036A1 (de) * 1979-09-06 1981-04-02 EC Erdölchemie GmbH, 5000 Köln Verfahren zur herstellung von ethylenoxid
WO2010040688A1 (fr) * 2008-10-08 2010-04-15 Basf Se Procédé de fabrication d’un oxyde d’alkylène

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4125480A (en) 1976-10-21 1978-11-14 Shell Oil Company Process for reactivating used silver ethylene oxide catalysts
US4278562A (en) 1977-11-19 1981-07-14 Basf Aktiengesellschaft Manufacture of an ethylene oxide catalyst

Also Published As

Publication number Publication date
ZA762463B (en) 1977-04-27
BE841408A (fr) 1976-11-03
SU643071A3 (ru) 1979-01-15
DE2519599B1 (de) 1976-07-01

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Legal Events

Date Code Title Description
E77 Valid patent as to the heymanns-index 1977