SU643071A3 - Способ реактивации отработанного серебр ного катализатора дл окислени этилена в окись этилена - Google Patents

Способ реактивации отработанного серебр ного катализатора дл окислени этилена в окись этилена

Info

Publication number
SU643071A3
SU643071A3 SU762352254A SU2352254A SU643071A3 SU 643071 A3 SU643071 A3 SU 643071A3 SU 762352254 A SU762352254 A SU 762352254A SU 2352254 A SU2352254 A SU 2352254A SU 643071 A3 SU643071 A3 SU 643071A3
Authority
SU
USSR - Soviet Union
Prior art keywords
catalyst
cesium
solution
selectivity
water
Prior art date
Application number
SU762352254A
Other languages
English (en)
Russian (ru)
Inventor
Ребсдат Зигфрид
Майер Зигмунд
Альфранзедер Иозеф
Original Assignee
Хехст Аг (Фирма)
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 Хехст Аг (Фирма) filed Critical Хехст Аг (Фирма)
Application granted granted Critical
Publication of SU643071A3 publication Critical patent/SU643071A3/ru

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)
SU762352254A 1975-05-02 1976-04-30 Способ реактивации отработанного серебр ного катализатора дл окислени этилена в окись этилена SU643071A3 (ru)

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 (1)

Publication Number Publication Date
SU643071A3 true SU643071A3 (ru) 1979-01-15

Family

ID=5945588

Family Applications (1)

Application Number Title Priority Date Filing Date
SU762352254A SU643071A3 (ru) 1975-05-02 1976-04-30 Способ реактивации отработанного серебр ного катализатора дл окислени этилена в окись этилена

Country Status (4)

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

Families Citing this family (9)

* 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
GB1575810A (en) * 1976-10-21 1980-10-01 Shell Int Research Process for the performance of silver catalysts
DE2649359C3 (de) * 1976-10-29 1979-07-26 Hoechst Ag, 6000 Frankfurt Verfahren zur Verbesserung der Wirksamkeit von gebrauchten Silber-Trägerkatalysatoren
DE2861030D1 (en) 1977-11-19 1981-11-26 Basf Ag Process for preparing an ethylene oxide catalyst
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 (de) * 2008-10-08 2010-04-15 Basf Se Verfahren zur herstellung eines alkylenoxids

Also Published As

Publication number Publication date
ZA762463B (en) 1977-04-27
DE2519599C2 (de) 1977-02-17
BE841408A (fr) 1976-11-03
DE2519599B1 (de) 1976-07-01

Similar Documents

Publication Publication Date Title
US3957690A (en) Heterogeneous catalyst for oxidation of propylene into propylene oxide in the liquid phase and method for preparing it
SU643071A3 (ru) Способ реактивации отработанного серебр ного катализатора дл окислени этилена в окись этилена
US4125480A (en) Process for reactivating used silver ethylene oxide catalysts
US4419276A (en) Silver catalyst for the manufacture of ethylene oxide and a process for preparing the catalyst
RU2278730C2 (ru) Катализатор для окисления этилена и способ получения оксида этилена
US4350616A (en) Method of making catalysts for the production of ethylene oxide
HU190487B (en) Process for producing silver catalyzers
SE7412461L (de)
JPH11262664A (ja) 含銀担持触媒及び触媒中間体、その製造法並びにその使用法
EP0076504B1 (de) Silberkatalysator und Herstellung von Äthylenoxyd
US4458032A (en) Silver catalysts, a process for their preparation, and their use in preparing ethylene oxide
JPS5944898B2 (ja) 使用済みの銀担持触媒の選択性を改善するための方法
EP0241391B1 (de) Silber enthaltende Katalysatoren zur Herstellung von Äthylenoxyd
JPH0617160A (ja) 使用済み触媒からのレニウムの回収方法
US4391735A (en) Cleaning and regenerating ethylene oxide catalysts
JPH07324080A (ja) エチレンオキシドの製造方法
TW295583B (de)
JP2003520124A (ja) 触媒担体材料及びその使用
DK149802B (da) Fremgangsmaade til fjernelse af forureninger af organisk art fra vandige oploesninger af phosphorsyre
RU2205690C2 (ru) Способ регенерации катализатора циклизирующего гидролиза аминонитрила в лактам и использование регенерированного катализатора для производства лактамов
RU2331474C2 (ru) Катализатор окисления этилена
SU464994A3 (ru) Способ получени аллилацетата
US4092267A (en) Process for regenerating palladium catalysts
JP4440773B2 (ja) 過酸化物不純物の除去
SU791398A1 (ru) Способ очистки отход щих газов от стирола