RU95121650A - PRELIMINARY PROCESSING OF GOLD-PALLADIUM CATALYST USED IN SYNTHESIS OF VINYL ACETATE - Google Patents

PRELIMINARY PROCESSING OF GOLD-PALLADIUM CATALYST USED IN SYNTHESIS OF VINYL ACETATE

Info

Publication number
RU95121650A
RU95121650A RU95121650/04A RU95121650A RU95121650A RU 95121650 A RU95121650 A RU 95121650A RU 95121650/04 A RU95121650/04 A RU 95121650/04A RU 95121650 A RU95121650 A RU 95121650A RU 95121650 A RU95121650 A RU 95121650A
Authority
RU
Russia
Prior art keywords
catalyst
temperature
reducing agent
gold
palladium
Prior art date
Application number
RU95121650/04A
Other languages
Russian (ru)
Other versions
RU2108862C1 (en
Inventor
В.Смит Дэвид
М.Хейнз Ронни
А.Шебен Джон
М.Августин Стив
Original Assignee
Квантум Кемикал Корпорейшн
Filing date
Publication date
Priority claimed from US07/802,653 external-priority patent/US5194417A/en
Application filed by Квантум Кемикал Корпорейшн filed Critical Квантум Кемикал Корпорейшн
Publication of RU95121650A publication Critical patent/RU95121650A/en
Application granted granted Critical
Publication of RU2108862C1 publication Critical patent/RU2108862C1/en

Links

Claims (17)

1. Способ предварительной обработки золото-палладиевого катализатора, включающий этапы: 1) нагревание нового неиспользованного катализатора, содержащего металлические палладий и золото, в течение по крайней мере 15 мин при температуре по крайней мере достаточной для частичного окисления палладия в присутствии окислителя, выбранного из группы, состоящей из кислорода, окислов азота, нитратных солей и перекиси водорода; 2) удаление окислителя и введение инертного газа; 3) обработка катализатора при температуре до 500oС в течение по крайней мере 15 мин в присутствии восстановителя.1. A method of pre-processing a gold-palladium catalyst, comprising the steps of: 1) heating a new unused catalyst containing metal palladium and gold for at least 15 minutes at a temperature at least sufficient to partially oxidize the palladium in the presence of an oxidizing agent selected from the group consisting of oxygen, nitrogen oxides, nitrate salts and hydrogen peroxide; 2) removal of the oxidizing agent and the introduction of an inert gas; 3) treating the catalyst at a temperature of up to 500 ° C. for at least 15 minutes in the presence of a reducing agent. 2. Способ по п. 1, отличающийся тем, что восстановитель выбирают из группы, состоящей из аммиака, моноокиси углерода, водорода, альдегидов, спиртов, олефинов, первичных аминов и муравьиной кислоты или ее соли. 2. The method according to p. 1, characterized in that the reducing agent is selected from the group consisting of ammonia, carbon monoxide, hydrogen, aldehydes, alcohols, olefins, primary amines and formic acid or its salt. 3. Способ по п. 2, отличающийся тем, что восстановителем является этилен. 3. The method according to p. 2, characterized in that the reducing agent is ethylene. 4. Способ по п. 2, отличающийся тем, что восстановителем является водород. 4. The method according to p. 2, characterized in that the reducing agent is hydrogen. 5. Способ по п. 1, отличающийся тем, что катализатор нагревают до температуры выше 100oС в присутствии восстановителя.5. The method according to p. 1, characterized in that the catalyst is heated to a temperature above 100 o In the presence of a reducing agent. 6. Способ по п. 2, отличающийся тем, что катализатор нагревают до температуры от 150 до 350oС в присутствии восстановителя.6. The method according to p. 2, characterized in that the catalyst is heated to a temperature of from 150 to 350 o In the presence of a reducing agent. 7. Способ по п. 1, отличающийся тем, что восстановитель вводят, когда катализатор находится при температуре окружающей среды. 7. The method according to p. 1, characterized in that the reducing agent is introduced when the catalyst is at ambient temperature. 8. Способ по п. 1, отличающийся тем, что окислителем является кислородсодержащий газ. 8. The method according to p. 1, characterized in that the oxidizing agent is an oxygen-containing gas. 9. Способ по п. 8, отличающийся тем, что кислородсодержащим газом является воздух или воздух, разбавленный дополнительным азотом. 9. The method according to p. 8, characterized in that the oxygen-containing gas is air or air diluted with additional nitrogen. 10. Способ по п. 1, отличающийся тем, что температура катализатора в присутствии окислителя находится в диапазоне от 125 до 500oС.10. The method according to p. 1, characterized in that the temperature of the catalyst in the presence of an oxidizing agent is in the range from 125 to 500 o C. 11. Способ по п. 10, отличающийся тем, что предпочтительно температура катализатора находится в диапазоне от 150 до 350oС.11. The method according to p. 10, characterized in that preferably the temperature of the catalyst is in the range from 150 to 350 o C. 12. Способ по п. 11, отличающийся тем, что более предпочтительно температура катализатора находится в диапазоне от 200 до 300oС.12. The method according to p. 11, characterized in that more preferably the temperature of the catalyst is in the range from 200 to 300 o C. 13. Способ по п. 1, отличающийся тем, что менее 1 мас.% палладия и золота находится в неметаллической форме. 13. The method according to p. 1, characterized in that less than 1 wt.% Palladium and gold is in non-metallic form. 14. Способ по п. 1, отличающийся тем, что инертный газ выбирают из группы, состоящей из азота, углекислого газа, гелия или аргона. 14. The method according to p. 1, characterized in that the inert gas is selected from the group consisting of nitrogen, carbon dioxide, helium or argon. 15. Способ по п. 1, отличающийся тем, что он включает дополнительный этап введения реакционной смеси, содержащей этилен, уксусную кислоту и кислород, после восстановителя. 15. The method according to p. 1, characterized in that it includes an additional step of introducing a reaction mixture containing ethylene, acetic acid and oxygen, after the reducing agent. 16. Способ по п. 9, отличающийся тем, что катализатор нагревают в воздухе при температуре от 150 до 350oС, инертным газом является азот, и катализатор нагревают в присутствии водорода до температуры от 150 до 350oС.16. The method according to p. 9, characterized in that the catalyst is heated in air at a temperature of from 150 to 350 o C, the inert gas is nitrogen, and the catalyst is heated in the presence of hydrogen to a temperature of from 150 to 350 o C. 17. Композиция золото-палладиевого катализатора, получаемая способом по п. 1, которая включает в своем составе следующие компоненты, мас.%:
Палладий - 0,1-5
Золото - 0,1-2
Материал носителя - 93-99,8л17. The composition of the gold-palladium catalyst obtained by the method according to p. 1, which includes in its composition the following components, wt.%:
Palladium - 0.1-5
Gold - 0.1-2
Media material - 93-99.8l
RU95121650A 1991-12-05 1993-03-15 Method of preliminarily treating gold-palladium catalyst and catalyst for vinyl acetate synthesis RU2108862C1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US07/802,653 US5194417A (en) 1991-12-05 1991-12-05 Pretreatment of palladium-gold catalysts useful in vinyl acetate synthesis
PCT/US1993/002648 WO1994021374A1 (en) 1991-12-05 1993-03-15 Pretreatment of palladium-gold catalysts useful in vinyl acetate synthesis

Publications (2)

Publication Number Publication Date
RU95121650A true RU95121650A (en) 1997-09-27
RU2108862C1 RU2108862C1 (en) 1998-04-20

Family

ID=1340518

Family Applications (1)

Application Number Title Priority Date Filing Date
RU95121650A RU2108862C1 (en) 1991-12-05 1993-03-15 Method of preliminarily treating gold-palladium catalyst and catalyst for vinyl acetate synthesis

Country Status (9)

Country Link
US (2) US5194417A (en)
EP (1) EP0688243B1 (en)
JP (1) JP3511138B2 (en)
KR (1) KR100244438B1 (en)
BR (1) BR9307820A (en)
DE (1) DE69319627T2 (en)
ES (1) ES2118233T3 (en)
RU (1) RU2108862C1 (en)
WO (1) WO1994021374A1 (en)

Families Citing this family (35)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5194417A (en) * 1991-12-05 1993-03-16 Quantum Chemical Corporation Pretreatment of palladium-gold catalysts useful in vinyl acetate synthesis
US5347046A (en) * 1993-05-25 1994-09-13 Engelhard Corporation Catalyst and process for using same for the preparation of unsaturated carboxylic acid esters
US5536693A (en) * 1994-06-02 1996-07-16 The Standard Oil Company Process for the preparation of vinyl acetate catalyst
US5665667A (en) * 1994-06-02 1997-09-09 The Standard Oil Company Process for the preparation of vinyl acetate catalyst
US5576457A (en) * 1995-05-23 1996-11-19 Hoechst Celanese Corporation Catalyst and procedure for preparation of vinyl acetate
US6022823A (en) * 1995-11-07 2000-02-08 Millennium Petrochemicals, Inc. Process for the production of supported palladium-gold catalysts
JP2832336B2 (en) * 1995-11-07 1998-12-09 工業技術院長 Gold ultrafine particle-immobilized substance and method for producing the same
SA97180048B1 (en) * 1996-05-24 2005-12-21 هوكست سيلانس كوربوريشن HETEROGENEOUS BIMETALLIC VINYL ACETATE FOR THE PRODUCTION OF VINYL ACETATE
US5693586A (en) * 1996-06-28 1997-12-02 Hoechst Celanese Corporation Palladium-gold catalyst for vinyl acetate production
GB9622911D0 (en) 1996-11-04 1997-01-08 Bp Chem Int Ltd Process
US6407283B2 (en) 1996-11-04 2002-06-18 Bp Chemicals Limited Process for the production of vinyl acetate
DE19754991C2 (en) * 1997-12-11 2000-03-23 Celanese Chem Europe Gmbh Catalyst, process for producing the catalyst and process for producing vinyl acetate using the catalyst
DE19914066A1 (en) * 1999-03-27 2000-10-05 Celanese Chem Europe Gmbh Catalysts for the gas phase oxidation of ethylene and acetic acid to vinyl acetate, process for their preparation and their use
GB0022013D0 (en) * 2000-09-07 2000-10-25 Earth Canada Corp Polyurethane oil de-emulsification unit
US20040161563A1 (en) * 2003-02-19 2004-08-19 Wellman Raymond L. Slip collar for joining fume duct sections
CN1314490C (en) * 2003-04-23 2007-05-09 中国石油化工股份有限公司 Catalyzer in use for synthesizing vinyl acetate, and preparation method
TW200539941A (en) * 2003-12-19 2005-12-16 Celanese Int Corp Methods of making alkenyl alkanoates
CN100336593C (en) * 2004-02-19 2007-09-12 中国石油化工股份有限公司 Preparation method of supported catalyst for synthesizing vinyl acetate
GB2416137A (en) * 2004-06-04 2006-01-18 Microscal Ltd Preparation of a gold catalyst
US7468455B2 (en) 2004-11-03 2008-12-23 Velocys, Inc. Process and apparatus for improved methods for making vinyl acetate monomer (VAM)
KR100978977B1 (en) * 2004-12-20 2010-08-30 셀라니즈 인터내셔날 코포레이션 Modified support materials for catalysts
US8227369B2 (en) * 2005-05-25 2012-07-24 Celanese International Corp. Layered composition and processes for preparing and using the composition
JP5143749B2 (en) 2006-01-24 2013-02-13 レクサム エアースプレー エヌ ブイ Discharge device
US8168562B2 (en) * 2006-02-02 2012-05-01 Lyondell Chemical Technology, L.P. Preparation of palladium-gold catalysts
KR20080047950A (en) * 2006-11-27 2008-05-30 나노스텔라 인코포레이티드 Engine exhaust catalysts containing palladium-gold
US7709414B2 (en) * 2006-11-27 2010-05-04 Nanostellar, Inc. Engine exhaust catalysts containing palladium-gold
US8258070B2 (en) * 2006-11-27 2012-09-04 WGCH Technology Limited Engine exhaust catalysts containing palladium-gold
US7534738B2 (en) 2006-11-27 2009-05-19 Nanostellar, Inc. Engine exhaust catalysts containing palladium-gold
US20100121100A1 (en) * 2008-11-12 2010-05-13 Daniel Travis Shay Supported palladium-gold catalysts and preparation of vinyl acetate therewith
US8273682B2 (en) * 2009-12-16 2012-09-25 Lyondell Chemical Technology, L.P. Preparation of palladium-gold catalyst
US8329611B2 (en) * 2009-12-16 2012-12-11 Lyondell Chemical Technology, L,P. Titania-containing extrudate
US8507720B2 (en) * 2010-01-29 2013-08-13 Lyondell Chemical Technology, L.P. Titania-alumina supported palladium catalyst
DE102010056428B4 (en) 2009-12-28 2013-01-31 Süd-Chemie Ip Gmbh & Co. Kg Supported Transition Metal Catalysts
WO2017003014A1 (en) * 2015-06-30 2017-01-05 한국화학연구원 Method for successively reacting-regenerating and preparing fluid-type olefin after pre-treating with reducing gas
CN112642491B (en) * 2019-10-10 2023-01-24 中国石油化工股份有限公司 Catalyst for synthesizing vinyl acetate by ethylene method

Family Cites Families (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3142713A (en) * 1958-12-16 1964-07-28 Pure Oil Co Process for hydroisomerization of hydrocarbons including the oxidative regeneration of catalyst employed therein
DE1252662B (en) * 1965-06-25
US3480558A (en) * 1966-06-10 1969-11-25 Nat Distillers Chem Corp Catalyst regeneration
DE1286021B (en) * 1967-04-18 1969-01-02 Knapsack Ag Process for the preparation of esters of carboxylic acids with unsaturated alcohols
US3917676A (en) * 1970-12-30 1975-11-04 Toyo Soda Mfg Co Ltd Process for producing allylacetate
US3879311A (en) * 1973-04-26 1975-04-22 Nat Distillers Chem Corp Catalyst regeneration
JPS514118A (en) * 1974-06-27 1976-01-14 Kuraray Co Sakusanbiniruno seizohoho
DE2509251C3 (en) * 1975-03-04 1978-07-13 Hoechst Ag, 6000 Frankfurt Process for the preparation of a palladium catalyst
US4048096A (en) * 1976-04-12 1977-09-13 E. I. Du Pont De Nemours And Company Surface impregnated catalyst
US4188490A (en) * 1977-05-27 1980-02-12 National Distillers And Chemical Corporation Catalytic oxidation of ethylene to mixtures of acetic acid and vinyl acetate
DE2745174A1 (en) * 1977-10-07 1979-04-19 Hoechst Ag Supported catalyst for vinyl acetate prepn. from ethylene - in gas-phase, contains gold, cadmium, palladium and alkali acetate
US4136062A (en) * 1977-10-17 1979-01-23 The Board Of Trustees Of Leland Stanford Junior University Highly active pd-au catalyst
DE2811115A1 (en) * 1978-03-15 1979-09-27 Hoechst Ag CARRIER CATALYST FOR THE PRODUCTION OF VINYL ACETATE FROM ETHYLENE, ACETIC ACID AND OXYGEN IN THE GAS PHASE
US4816434A (en) * 1982-02-19 1989-03-28 Union Oil Company Of California Catalytic materials of controlled geometric mean electronegativity
FR2523149A1 (en) * 1982-03-15 1983-09-16 Catalyse Soc Prod Francais NEW CATALYST SUPPORTING PALLADIUM-OR, ITS PREPARATION AND USE IN SELECTIVE HYDROGENATION REACTIONS OF DIOLEFINIC AND / OR ACETYLENE HYDROCARBONS
US4551442A (en) * 1983-12-02 1985-11-05 The Standard Oil Company (Ohio) Catalyst for upgrading synthesis gas
FR2556236B1 (en) * 1983-12-09 1988-04-01 Pro Catalyse METHOD FOR MANUFACTURING A CATALYST FOR THE TREATMENT OF EXHAUST GASES
DE3803900A1 (en) * 1988-02-09 1989-08-17 Hoechst Ag METHOD FOR PRODUCING VINYL ACETATE
US5179056A (en) * 1991-05-06 1993-01-12 Union Carbide Chemicals & Plastics Technology Corporation Production of alkenyl alkanoate catalysts
US5194417A (en) * 1991-12-05 1993-03-16 Quantum Chemical Corporation Pretreatment of palladium-gold catalysts useful in vinyl acetate synthesis

Similar Documents

Publication Publication Date Title
RU95121650A (en) PRELIMINARY PROCESSING OF GOLD-PALLADIUM CATALYST USED IN SYNTHESIS OF VINYL ACETATE
KR960700810A (en) Pretreatment of Palladium-Gold Catalysts Useful in Vinyl Acetate Synthesis
US5017357A (en) Catalytic process for oxidation of carbon monoxide
JPH0634921B2 (en) Method for oxidizing carbon monoxide and method for producing catalyst composition used therein
CA2014559C (en) Catalysts for oxidation of carbon monoxide
CA2183625A1 (en) Copper catalysts
JPH02198639A (en) Catalyst for decomposing ammonia
RU96119266A (en) COPPER CATALYSTS
JPH02194818A (en) Reoucing method of nitrogen oxide
RU2032612C1 (en) Process for producing nitric acid
US4902660A (en) Catalyst for oxidation of carbon monoxide
JPH02153805A (en) Manufacture of hydrogen peroxide
JPH03109944A (en) Co oxidative catalyst composition
JPH04295434A (en) Method of converting methane
CA2472263A1 (en) Supported catalyst treatment
EP0330224A1 (en) Catalytic oxidation of carbon monoxide
RU2003123117A (en) METHOD FOR PRODUCING CARBONIC ACIDS BY CARBONILATION IN PALLADIUM
US4216033A (en) Method of nitriding steel
CA2062708A1 (en) Method and apparatus for regenerating gas used in carbon dioxide laser generator
JP2536711B2 (en) Regeneration method of carbon dioxide laser gas
KR970033026A (en) Oxidation catalyst for removing carbon monoxide
JPS59132943A (en) Oxidation catalyst of carbon monoxide
JP2002370028A (en) Method for producing ruthenium catalyst by using oxygen-containing ruthenium compound
JP2005081198A (en) Organic compound degradation catalyst particle and degradation method for organic compound using the same
JPS63242347A (en) Nitrogen dioxide removing agent and method therefor