ES463341A1 - Un procedimiento para mejorar el comportamiento de los cata-lizadores de plata que han sido empleados en la preparacion de oxido de etileno. - Google Patents

Un procedimiento para mejorar el comportamiento de los cata-lizadores de plata que han sido empleados en la preparacion de oxido de etileno.

Info

Publication number
ES463341A1
ES463341A1 ES463341A ES463341A ES463341A1 ES 463341 A1 ES463341 A1 ES 463341A1 ES 463341 A ES463341 A ES 463341A ES 463341 A ES463341 A ES 463341A ES 463341 A1 ES463341 A1 ES 463341A1
Authority
ES
Spain
Prior art keywords
ethylene oxide
oxide catalysts
water
used silver
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.)
Expired
Application number
ES463341A
Other languages
English (en)
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.)
Shell Internationale Research Maatschappij BV
Original Assignee
Shell Internationale Research Maatschappij BV
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 Shell Internationale Research Maatschappij BV filed Critical Shell Internationale Research Maatschappij BV
Publication of ES463341A1 publication Critical patent/ES463341A1/es
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
    • 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
    • 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
    • Y02P20/52—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)
  • Catalysts (AREA)
  • Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)

Abstract

Un procedimiento para mejorar el comportamiento de los catalizadores de plata que han sido empleados en la preparación de óxido de etileno haciendo reaccionar etileno con oxígeno molecular que comprende: a) lavar el catalizador usado con agua o una mezcla de agua con un disolvente orgánico miscible en agua y b) depositar de 0,00004 a 0,008 pesos equivalente-gramo por kilogramo (basado en el catalizador completo) de iones de uno o más de los metales alcalinos sodio, potasio, rubidio o cesio sobre el catalizador lavado.
ES463341A 1976-10-21 1977-10-19 Un procedimiento para mejorar el comportamiento de los cata-lizadores de plata que han sido empleados en la preparacion de oxido de etileno. Expired ES463341A1 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB43712/76A GB1575810A (en) 1976-10-21 1976-10-21 Process for the performance of silver catalysts

Publications (1)

Publication Number Publication Date
ES463341A1 true ES463341A1 (es) 1978-07-01

Family

ID=10429992

Family Applications (2)

Application Number Title Priority Date Filing Date
ES463341A Expired ES463341A1 (es) 1976-10-21 1977-10-19 Un procedimiento para mejorar el comportamiento de los cata-lizadores de plata que han sido empleados en la preparacion de oxido de etileno.
ES464830A Expired ES464830A1 (es) 1976-10-21 1977-12-07 Un procedimiento para la obtencion de oxido de etileno.

Family Applications After (1)

Application Number Title Priority Date Filing Date
ES464830A Expired ES464830A1 (es) 1976-10-21 1977-12-07 Un procedimiento para la obtencion de oxido de etileno.

Country Status (18)

Country Link
US (1) US4125480A (es)
JP (1) JPS5948663B2 (es)
AU (1) AU508498B2 (es)
BE (1) BE859663A (es)
CA (1) CA1102779A (es)
CS (1) CS196393B2 (es)
DE (1) DE2746976A1 (es)
ES (2) ES463341A1 (es)
FR (1) FR2368298A1 (es)
GB (1) GB1575810A (es)
IN (1) IN147546B (es)
IT (1) IT1087024B (es)
MX (1) MX147893A (es)
NL (1) NL7711467A (es)
PL (1) PL104619B1 (es)
PT (1) PT67173B (es)
SE (1) SE434917B (es)
TR (1) TR19661A (es)

Families Citing this family (32)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2740480B2 (de) * 1977-09-08 1979-07-05 Hoechst Ag, 6000 Frankfurt Verfahren zur Verbesserung der Wirksamkeit von Silber-Trägerkatalysatoren
EP0002045B1 (de) * 1977-11-19 1981-09-02 BASF Aktiengesellschaft Verfahren zur Herstellung eines Äthylenoxydkatalysators
JPS5524665U (es) * 1978-08-04 1980-02-18
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
DE2938245A1 (de) * 1979-09-21 1981-04-09 Hoechst Ag, 6000 Frankfurt Verfahren zur verbesserung der wirksamkeit von silber-traegerkatalysatoren
US4419276A (en) * 1981-09-30 1983-12-06 Union Carbide Corporation Silver catalyst for the manufacture of ethylene oxide and a process for preparing the catalyst
DE3229541A1 (de) * 1982-08-07 1984-02-09 Hoechst Ag, 6230 Frankfurt Verfahren zur verbesserung der wirksamkeit von gebrauchten silber-traegerkatalysatoren
DE3426699A1 (de) * 1984-07-20 1986-01-23 Hoechst Ag, 6230 Frankfurt Verfahren zur verbesserung der wirksamkeit von silbertraegerkatalysatoren
EP0937498B1 (en) * 1998-02-20 2004-08-18 Nippon Shokubai Co., Ltd. Silver catalyst for production of ethylene Oxide, method for production thereof, and method for production of ethylene oxide
US7232918B2 (en) * 2001-11-06 2007-06-19 Shell Oil Company Catalyst composition
WO2000015335A1 (en) * 1998-09-14 2000-03-23 Shell Internationale Research Maatschappij B.V. Epoxidation catalyst carrier, preparation and use thereof
CA2343783C (en) 1998-09-14 2008-02-12 Shell Internationale Research Maatschappij B.V. Process for removing ionizable species from catalyst surface to improve catalytic properties
US7232786B2 (en) 1998-09-14 2007-06-19 Shell Oil Company Catalyst composition
US7504525B2 (en) * 1998-09-14 2009-03-17 Shell Oil Company Catalyst composition
US6455713B1 (en) * 1998-09-14 2002-09-24 Eastman Chemical Company Reactivation of Cs-promoted, Ag catalysts for the selective epoxidation of butadiene to 3,4-epoxy-1-butene
US20040224841A1 (en) * 2003-05-07 2004-11-11 Marek Matusz Silver-containing catalysts, the manufacture of such silver-containing catalysts, and the use thereof
TW200500351A (en) 2003-05-07 2005-01-01 Shell Int Research Silver-containing catalysts, the manufacture of such silver- containing catalysts, and the use thereof
US20040225138A1 (en) * 2003-05-07 2004-11-11 Mcallister Paul Michael Reactor system and process for the manufacture of ethylene oxide
TW200602123A (en) * 2004-04-01 2006-01-16 Shell Int Research Process for preparing a catalyst, the catalyst, and a use of the catalyst
TW200613056A (en) * 2004-04-01 2006-05-01 Shell Int Research A process for preparing a silver catalyst, the catalyst, and a use of the catalyst for olefin oxidation
TW200600190A (en) * 2004-04-01 2006-01-01 Shell Int Research Process for preparing a silver catalyst, the catalyst, and use thereof in olefin oxidation
CN101072631B (zh) * 2004-09-24 2013-02-13 国际壳牌研究有限公司 用来选择成形颗粒的过程、用来安装***的过程、用来在这样一种***中使气体原料反应的过程、计算机程序产品、及计算机***
CA2571808A1 (en) * 2005-12-22 2007-06-22 Shell Internationale Research Maatschappij B.V. A method of installing an epoxidation catalyst in a reactor, a process for the preparation of an olefin oxide or a chemical derivable from an olefin oxide, and a reactor suitable for such a process
US7704908B2 (en) 2005-12-22 2010-04-27 Shell Oil Company Method for reusing rhenium from a donor spent epoxidation catalyst
US8357812B2 (en) * 2005-12-22 2013-01-22 Shell Oil Company Process for preparing a rejuvenated epoxidation catalyst
CN101573180A (zh) * 2006-11-20 2009-11-04 国际壳牌研究有限公司 处理载体的方法、制备催化剂的方法、催化剂及催化剂的用途
CN102463141B (zh) 2010-11-02 2015-05-06 中国石油化工股份有限公司 一种氧化铝载体、其制备方法、由其制成的银催化剂及其应用
US9975865B2 (en) * 2016-07-18 2018-05-22 Scientific Design Company, Inc. Epoxidation process
US11772082B1 (en) 2018-06-21 2023-10-03 Avn Corporation Catalyst supports—composition and process of manufacture
US20210284962A1 (en) 2018-06-21 2021-09-16 The Regents Of The University Of California Generation of a population of hindbrain cells and hindbrain-like organoids from pluripotent stem cells

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2194602A (en) * 1938-12-29 1940-03-26 Carbide & Carbon Chem Corp Activation of silver catalysts
US3962136A (en) * 1972-01-07 1976-06-08 Shell Oil Company Catalyst for production of ethylene oxide
US4010115A (en) * 1972-01-07 1977-03-01 Shell Oil Company Catalyst for the oxidation of ethylene to ethylene oxide
GB1491447A (en) * 1973-12-05 1977-11-09 Ici Ltd Alkylene oxide production and catalysts therefor
DE2519599C2 (de) 1975-05-02 1977-02-17 Hoechst Ag Verfahren zum reaktivieren von gebrauchten silber-traegerkatalysatoren
GB1574426A (en) * 1976-03-25 1980-09-10 Shell Int Research Process for preparing modified silver catalysts
US4066575A (en) * 1976-07-26 1978-01-03 Halcon International, Inc. Process for the preparation of a supported silver catalyst

Also Published As

Publication number Publication date
FR2368298A1 (fr) 1978-05-19
IT1087024B (it) 1985-05-31
AU508498B2 (en) 1980-03-20
US4125480A (en) 1978-11-14
CA1102779A (en) 1981-06-09
TR19661A (tr) 1979-10-05
PL201605A1 (pl) 1978-05-22
AU2970277A (en) 1979-04-26
GB1575810A (en) 1980-10-01
IN147546B (es) 1980-03-29
PT67173B (en) 1979-05-31
PT67173A (en) 1977-11-01
DE2746976C2 (es) 1989-10-19
JPS5351195A (en) 1978-05-10
ES464830A1 (es) 1978-09-01
NL7711467A (nl) 1978-04-25
SE7711793L (sv) 1978-04-22
JPS5948663B2 (ja) 1984-11-28
BE859663A (nl) 1978-04-13
DE2746976A1 (de) 1978-04-27
FR2368298B1 (es) 1981-11-13
SE434917B (sv) 1984-08-27
CS196393B2 (en) 1980-03-31
MX147893A (es) 1983-01-31
PL104619B1 (pl) 1979-08-31

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Legal Events

Date Code Title Description
FD1A Patent lapsed

Effective date: 19980504