BR7602685A - Processo para a reativacao de catalisadores de prata usados destinados a obtencao de oxido de etileno pelo processo de oxidacao direta - Google Patents

Processo para a reativacao de catalisadores de prata usados destinados a obtencao de oxido de etileno pelo processo de oxidacao direta

Info

Publication number
BR7602685A
BR7602685A BR2685/76A BR7602685A BR7602685A BR 7602685 A BR7602685 A BR 7602685A BR 2685/76 A BR2685/76 A BR 2685/76A BR 7602685 A BR7602685 A BR 7602685A BR 7602685 A BR7602685 A BR 7602685A
Authority
BR
Brazil
Prior art keywords
reactivation
ethylene oxide
direct oxidation
silver catalysts
obtain ethylene
Prior art date
Application number
BR2685/76A
Other languages
English (en)
Inventor
S Rebsdat
S Mayer
J Alfranseder
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
Priority claimed from DE19752519599 external-priority patent/DE2519599C2/de
Priority claimed from DE2611856A external-priority patent/DE2611856C2/de
Application filed by Hoechst Ag filed Critical Hoechst Ag
Publication of BR7602685A publication Critical patent/BR7602685A/pt

Links

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J38/00Regeneration or reactivation of catalysts, in general
    • B01J38/48Liquid treating or treating in liquid phase, e.g. dissolved or suspended
    • B01J38/485Impregnating or reimpregnating with, or deposition of metal compounds or catalytically active elements
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J23/00Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00
    • B01J23/90Regeneration or reactivation
    • B01J23/96Regeneration or reactivation of catalysts comprising metals, oxides or hydroxides of the noble metals
    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07DHETEROCYCLIC COMPOUNDS
    • C07D301/00Preparation of oxiranes
    • C07D301/02Synthesis of the oxirane ring
    • C07D301/03Synthesis of the oxirane ring by oxidation of unsaturated compounds, or of mixtures of unsaturated and saturated compounds
    • C07D301/04Synthesis of the oxirane ring by oxidation of unsaturated compounds, or of mixtures of unsaturated and saturated compounds with air or molecular oxygen
    • C07D301/08Synthesis 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
    • C07D301/10Synthesis 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
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02PCLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P20/00Technologies relating to chemical industry
    • Y02P20/50Improvements relating to the production of bulk chemicals
    • Y02P20/584Recycling 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)
BR2685/76A 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 BR7602685A (pt)

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
BR7602685A true BR7602685A (pt) 1976-11-09

Family

ID=25768838

Family Applications (1)

Application Number Title Priority Date Filing Date
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

Country Status (20)

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

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
US8871959B2 (en) * 2008-10-08 2014-10-28 Basf Se Method for producing an alkylene oxide

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
US3962136A (en) * 1972-01-07 1976-06-08 Shell Oil Company Catalyst for production of ethylene oxide
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
PT65063A (de) 1976-05-01
SE415530B (sv) 1980-10-13
NL7604472A (nl) 1976-11-04
BG28244A3 (en) 1980-03-25
FR2309278A1 (fr) 1976-11-26
US4051068A (en) 1977-09-27
DK194376A (da) 1976-11-03
ES447348A1 (es) 1977-07-01
NO761498L (pt) 1976-11-03
NL179553B (nl) 1986-05-01
FR2309278B1 (pt) 1979-07-13
PT65063B (de) 1978-01-03
CS196309B2 (en) 1980-03-31
GB1545840A (en) 1979-05-16
CA1076546A (en) 1980-04-29
IT1059250B (it) 1982-05-31
RO68994A (ro) 1982-05-10
JPS5235193A (en) 1977-03-17
LU74871A1 (pt) 1977-02-08
AR209650A1 (es) 1977-05-13
NL179553C (nl) 1986-10-01
JPS5647817B2 (pt) 1981-11-12
DD127022A5 (pt) 1977-08-31
AU1351876A (en) 1977-11-03
SE7604950L (sv) 1976-11-03
PL103021B1 (pl) 1979-05-31

Similar Documents

Publication Publication Date Title
BR7607932A (pt) Processo para producao de um catalizador de(am)oxidacao
BR7704881A (pt) Processo para a preparacao de um catalisador de prata
BR7503847A (pt) Processo para a fabricacao de alcoois inferiores por hidratacao catalitica direta de olefinas inferiores
BE852726A (nl) Werkwijze ter bereiding van gemodificeerde zilverkatalysatoren
BR7602595A (pt) Processo para a preparacao continua de oxido de propileno
BR8205660A (pt) Processo para a preparacao de catalisador sustentado de prata para a producao de oxido de etileno;catalisador sustentado de prata para a producao de oxido de etileno;processo para a producao de odixo de etileno
BR7402085D0 (pt) Processo para a preparacao de um catalisador de vanadio tetra-valente
IT1033419B (it) Catalizzatori per l ossidazione di metanolo a formaledeide
BR7506860A (pt) Processo para a purificacao de actinideos encontraveis em estado de oxidacao inferior
BR8205833A (pt) Processo para a preparacao de catalisador de prata suportado para a producao de oxido de etileno catalisador de prata suportado
BR7602685A (pt) Processo para a reativacao de catalisadores de prata usados destinados a obtencao de oxido de etileno pelo processo de oxidacao direta
IT1066066B (it) Metodo di fabbricazione di catalizzatori
BR7403569D0 (pt) Processo para a fabricacao de solucao de xilose
BR7205136D0 (pt) Processo para a producao eletroquimica de catalisadores contendo prata
BR7608753A (pt) Processo para preparar um catalizador suportado contendo prata,catalizador assim obtido,e processo para produzir oxido de etileno
BR7206251D0 (pt) Processo para a preparacao de um catalisador para oxidacao de metanol a formaldeido
BR7202660D0 (pt) Um processo para preparacao de catalisador de oxidacao
BR7701024A (pt) Processo para a oxidacao de monossacaridios
ZA762463B (en) Process for reactivating silver catalysts used in the manufacture of ethylene oxide by direct oxidation
BR7500406A (pt) Processo para a preparacao de 3-aminofenois por desidrogenacao de 3-aminociclohexenonas
IT1059087B (it) Procedimento di fabbricazione di acido tereftalico per ossidazione del paraxilolo
BR7507250A (pt) Processo para a preparacao de diclorosilana por desmutacao de triclorosilana em presenca de catalisador
BR7602259A (pt) Processo para a preparacao catalitica de prepolimeros de poliuretana
BR7404500D0 (pt) Processo para produzir um metal partindo de pelotas de oxido do metal
IT1078499B (it) Processo per demetallizzare catalizzatori