FR2441423A1 - Procede de preparation d'un catalyseur pour l'oxydation des olefines, catalyseur ainsi obtenu et procede d'oxydation des olefines en l'utilisant - Google Patents

Procede de preparation d'un catalyseur pour l'oxydation des olefines, catalyseur ainsi obtenu et procede d'oxydation des olefines en l'utilisant

Info

Publication number
FR2441423A1
FR2441423A1 FR7927808A FR7927808A FR2441423A1 FR 2441423 A1 FR2441423 A1 FR 2441423A1 FR 7927808 A FR7927808 A FR 7927808A FR 7927808 A FR7927808 A FR 7927808A FR 2441423 A1 FR2441423 A1 FR 2441423A1
Authority
FR
France
Prior art keywords
catalyst
oxidation
olefin
oxygen
coprecipite
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.)
Pending
Application number
FR7927808A
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.)
Celanese Corp
Original Assignee
Celanese Corp
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 Celanese Corp filed Critical Celanese Corp
Publication of FR2441423A1 publication Critical patent/FR2441423A1/fr
Pending 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
    • B01J23/70—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of the iron group metals or copper
    • B01J23/76—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of the iron group metals or copper combined with metals, oxides or hydroxides provided for in groups B01J23/02 - B01J23/36
    • B01J23/84—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of the iron group metals or copper combined with metals, oxides or hydroxides provided for in groups B01J23/02 - B01J23/36 with arsenic, antimony, bismuth, vanadium, niobium, tantalum, polonium, chromium, molybdenum, tungsten, manganese, technetium or rhenium
    • B01J23/85—Chromium, molybdenum or tungsten
    • B01J23/88—Molybdenum
    • B01J23/887—Molybdenum containing in addition other metals, oxides or hydroxides provided for in groups B01J23/02 - B01J23/36
    • B01J23/8872—Alkali or alkaline earth metals
    • 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
    • B01J23/70—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of the iron group metals or copper
    • B01J23/76—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of the iron group metals or copper combined with metals, oxides or hydroxides provided for in groups B01J23/02 - B01J23/36
    • B01J23/84—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of the iron group metals or copper combined with metals, oxides or hydroxides provided for in groups B01J23/02 - B01J23/36 with arsenic, antimony, bismuth, vanadium, niobium, tantalum, polonium, chromium, molybdenum, tungsten, manganese, technetium or rhenium
    • B01J23/85—Chromium, molybdenum or tungsten
    • B01J23/88—Molybdenum
    • B01J23/887—Molybdenum containing in addition other metals, oxides or hydroxides provided for in groups B01J23/02 - B01J23/36
    • B01J23/8875—Germanium, tin or lead
    • 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
    • B01J23/70—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of the iron group metals or copper
    • B01J23/76—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of the iron group metals or copper combined with metals, oxides or hydroxides provided for in groups B01J23/02 - B01J23/36
    • B01J23/84—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of the iron group metals or copper combined with metals, oxides or hydroxides provided for in groups B01J23/02 - B01J23/36 with arsenic, antimony, bismuth, vanadium, niobium, tantalum, polonium, chromium, molybdenum, tungsten, manganese, technetium or rhenium
    • B01J23/85—Chromium, molybdenum or tungsten
    • B01J23/88—Molybdenum
    • B01J23/887—Molybdenum containing in addition other metals, oxides or hydroxides provided for in groups B01J23/02 - B01J23/36
    • B01J23/8876—Arsenic, antimony or bismuth
    • 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
    • B01J23/70—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of the iron group metals or copper
    • B01J23/76—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of the iron group metals or copper combined with metals, oxides or hydroxides provided for in groups B01J23/02 - B01J23/36
    • B01J23/84—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of the iron group metals or copper combined with metals, oxides or hydroxides provided for in groups B01J23/02 - B01J23/36 with arsenic, antimony, bismuth, vanadium, niobium, tantalum, polonium, chromium, molybdenum, tungsten, manganese, technetium or rhenium
    • B01J23/85—Chromium, molybdenum or tungsten
    • B01J23/88—Molybdenum
    • B01J23/887—Molybdenum containing in addition other metals, oxides or hydroxides provided for in groups B01J23/02 - B01J23/36
    • B01J23/8877—Vanadium, tantalum, niobium or polonium
    • 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
    • B01J27/00—Catalysts comprising the elements or compounds of halogens, sulfur, selenium, tellurium, phosphorus or nitrogen; Catalysts comprising carbon compounds
    • B01J27/14—Phosphorus; Compounds thereof
    • B01J27/186—Phosphorus; Compounds thereof with arsenic, antimony, bismuth, vanadium, niobium, tantalum, polonium, chromium, molybdenum, tungsten, manganese, technetium or rhenium
    • B01J27/188—Phosphorus; Compounds thereof with arsenic, antimony, bismuth, vanadium, niobium, tantalum, polonium, chromium, molybdenum, tungsten, manganese, technetium or rhenium with chromium, molybdenum, tungsten or polonium
    • B01J27/19—Molybdenum
    • B01J27/192—Molybdenum with bismuth
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C45/00—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds
    • C07C45/27—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds by oxidation
    • C07C45/32—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds by oxidation with molecular oxygen
    • C07C45/33—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds by oxidation with molecular oxygen of CHx-moieties
    • C07C45/34—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds by oxidation with molecular oxygen of CHx-moieties in unsaturated compounds
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C45/00—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds
    • C07C45/27—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds by oxidation
    • C07C45/32—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds by oxidation with molecular oxygen
    • C07C45/33—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds by oxidation with molecular oxygen of CHx-moieties
    • C07C45/34—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds by oxidation with molecular oxygen of CHx-moieties in unsaturated compounds
    • C07C45/35—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds by oxidation with molecular oxygen of CHx-moieties in unsaturated compounds in propene or isobutene
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C51/00—Preparation of carboxylic acids or their salts, halides or anhydrides
    • C07C51/16—Preparation of carboxylic acids or their salts, halides or anhydrides by oxidation
    • C07C51/21—Preparation of carboxylic acids or their salts, halides or anhydrides by oxidation with molecular oxygen
    • C07C51/25—Preparation of carboxylic acids or their salts, halides or anhydrides by oxidation with molecular oxygen of unsaturated compounds containing no six-membered aromatic ring
    • C07C51/252—Preparation of carboxylic acids or their salts, halides or anhydrides by oxidation with molecular oxygen of unsaturated compounds containing no six-membered aromatic ring of propene, butenes, acrolein or methacrolein
    • 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
    • B01J2523/00—Constitutive chemical elements of heterogeneous catalysts

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Catalysts (AREA)
  • Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)

Abstract

L'INVENTION CONCERNE UN PROCEDE DE PREPARATION D'UN CATALYSEUR D'OXYDATION QUI CORRESPOND A LA FORMULE: (CF DESSIN DANS BOPI) OU MO, CO, FE, NI, BI ET O SONT RESPECTIVEMENT LES ELEMENTS DE MOLYBDENE, COBALT, FER, NICKEL, BISMUTH ET OXYGENE. L EST AU MOINS UN ELEMENT CHOISI PARMI LE POTASSIUM ET LE RUBIDIUM; M EST AU MOINS UN ELEMENT CHOISI PARMI LE PHOSPHORE, LE CERIUM, LE GERMANIUM, LE MANGANESE, LE NIOBIUM, L'ANTIMOINE ET LE TANTALE; ET X REPRESENTE LE NOMBRE D'ATOMES D'OXYGENE ENTRE ENVIRON 35 ET 75, SUFFISANTS POUR SATISFAIRE AUX NECESSITES DE VALENCE DES AUTRES ELEMENTS. SELON L'INVENTION, CE PROCEDE COMPREND LES ETAPES DE MELANGER ET TRANSFORMER EN BOUILLIE DANS UN MILIEU AQUEUX, LES COMPOSES RESPECTIFS DE MO, CO, NI, BI, L ET M QUI SONT AU MOINS PARTIELLEMENT SOLUBLES DANS L'EAU, D'AJUSTER LE PH FINAL DU MELANGE AQUEUX EN BOUILLIE DANS LA GAMME DE 1 A 5, DE CONCENTRER LE MELANGE EN BOUILLIE AQUEUSE PAR ENLEVEMENT D'EAU POUR DONNER UN COPRECIPITE DU CATALYSEUR, DE CHAUFFER LE COPRECIPITE A UNE TEMPERATURE ENTRE ENVIRON 200 ET 250C EN PRESENCE D'OXYGENE MOLECULAIRE, ET DE CALCINER LA COMPOSITION DU CATALYSEUR A UNE TEMPERATURE COMPRISE ENTRE ENVIRON 400 ET 600C EN PRESENCE D'OXYGENE MOLECULAIRE. L'INVENTION S'APPLIQUE NOTAMMENT A L'OXYDATION EN PHASE VAPEUR DU PROPYLENE OU DE L'ISOBUTYLENE EN ACROLEINE OU METHACROLEINE CORRESPONDANTE.
FR7927808A 1978-11-13 1979-11-12 Procede de preparation d'un catalyseur pour l'oxydation des olefines, catalyseur ainsi obtenu et procede d'oxydation des olefines en l'utilisant Pending FR2441423A1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US05/960,201 US4224187A (en) 1978-11-13 1978-11-13 Olefin oxidation catalyst and process for its preparation

Publications (1)

Publication Number Publication Date
FR2441423A1 true FR2441423A1 (fr) 1980-06-13

Family

ID=25502934

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7927808A Pending FR2441423A1 (fr) 1978-11-13 1979-11-12 Procede de preparation d'un catalyseur pour l'oxydation des olefines, catalyseur ainsi obtenu et procede d'oxydation des olefines en l'utilisant

Country Status (9)

Country Link
US (1) US4224187A (fr)
JP (1) JPS5567339A (fr)
BE (1) BE879966A (fr)
CA (1) CA1122957A (fr)
DE (1) DE2943707A1 (fr)
FR (1) FR2441423A1 (fr)
GB (1) GB2037603A (fr)
IT (1) IT1127219B (fr)
NL (1) NL7908135A (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2495015A1 (fr) * 1980-11-28 1982-06-04 Rhone Poulenc Ind Procede pour la preparation de catalyseurs a base d'oxydes de molybdene et/ou de tungstene et d'oxydes d'autres metaux

Families Citing this family (36)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4332971A (en) * 1979-08-09 1982-06-01 Celanese Corporation Process for the oxidation of olefinically unsaturated hydrocarbons to aldehydes using attrition resistant catalysts
US4306090A (en) * 1979-10-12 1981-12-15 Rohm And Haas Company Catalyst compositions and their use for the preparation of methacrolein
FR2481146A1 (fr) * 1980-04-25 1981-10-30 Rhone Poulenc Ind Procede pour la preparation de catalyseurs a base d'oxydes de molybdene et/ou de tungstene et d'oxydes d'autres metaux
US4537998A (en) * 1981-04-27 1985-08-27 Atlantic Richfield Company Process for the oxidation of isobutylene oxide to methacrolein
US4558154A (en) * 1981-04-27 1985-12-10 Atlantic Richfield Company Oxidation of isobutylene oxide to methacrylic acid and methacrolein
JPS58119346A (ja) 1982-01-06 1983-07-15 Nippon Shokubai Kagaku Kogyo Co Ltd プロピレン酸化用触媒
NL190271C (nl) * 1982-02-11 1994-01-03 Standard Oil Co Ohio Werkwijze ter bereiding van een complexe oxidekatalysator.
US4783545A (en) * 1985-12-20 1988-11-08 The Standard Oil Company Method for ammoxidation of paraffins and catalyst system therefor
US4788173A (en) * 1985-12-20 1988-11-29 The Standard Oil Company Catalytic mixtures for ammoxidation of paraffins
US4837233A (en) * 1986-07-21 1989-06-06 The Standard Oil Company Catalyst system for ammoxidation of paraffins
JP2701065B2 (ja) * 1989-03-23 1998-01-21 日東化学工業株式会社 モリブデン―ビスマス含有複合酸化物触媒の製法
EP0731082B1 (fr) * 1995-03-10 1999-06-02 Basf Aktiengesellschaft Procédé d'oxydation partielle catalysée hétérogène du propylène en phase gazeuse en acroléine, en acide acrylique ou leur mélange
DE19600955A1 (de) 1996-01-12 1997-07-17 Basf Ag Verfahren zur Herstellung von Acrylsäure und deren Ester
JP3793317B2 (ja) * 1996-05-14 2006-07-05 日本化薬株式会社 触媒及び不飽和アルデヒドおよび不飽和酸の製造方法
DE19624674A1 (de) 1996-06-20 1998-01-02 Basf Ag Verfahren zur Entsorgung von bei der Acrylsäure- oder Methacrylsäure-Herstellung anfallenden Nebenkomponenten
DE19717165A1 (de) 1997-04-23 1998-10-29 Basf Ag Vorrichtung und Verfahren zur Temperaturmessung in Rohrreaktoren
DE19740252A1 (de) 1997-09-12 1999-03-18 Basf Ag Verfahren zur Herstellung von Acrylsäure und Methacrylsäure
DE19833049A1 (de) 1998-07-22 2000-01-27 Basf Ag Verfahren zur Herstellung von Acrylsäure
DE19902562A1 (de) 1999-01-22 2000-07-27 Basf Ag Verfahren zur Herstellung von Acrolein durch heterogen katalysierte Gasphasen-Partialoxidation von Propen
DE19926082A1 (de) 1999-06-08 2000-12-14 Basf Ag Verfahren zur Reinigung und Herstellung von Acrylsäure oder Methacrylsäure
DE10031518A1 (de) * 2000-06-28 2002-01-10 Basf Ag Verfahren zur Herstellung von Hydroformylierungsprodukten des Propylens und von Acrylsäure und/oder Acrolein
JP4092090B2 (ja) * 2001-06-26 2008-05-28 株式会社日本触媒 固体粒子充填反応器およびその反応器を用いた接触気相酸化方法
DE10220494A1 (de) 2002-05-07 2003-11-20 Basf Ag Verfahren zur Herstellung einer wässrigen Alkaliacrylat-Lösung
KR100513664B1 (ko) * 2002-05-16 2005-09-07 주식회사 엘지화학 프로필렌의 부분 산화 반응용 촉매의 제조 방법
DE102004005863A1 (de) * 2004-02-05 2005-09-08 Stockhausen Gmbh Reaktor mit einem einen Einsatz aufweisenden Wärmetauscherbereich
KR100561073B1 (ko) * 2004-02-25 2006-03-17 주식회사 엘지화학 기상 부분 산화 반응용 촉매 및 그의 제조방법
US7851397B2 (en) 2005-07-25 2010-12-14 Saudi Basic Industries Corporation Catalyst for methacrolein oxidation and method for making and using same
US7649111B2 (en) 2005-07-25 2010-01-19 Saudi Basic Industries Corporation Catalyst for the oxidation of a mixed aldehyde feedstock to methacrylic acid and methods for making and using same
US7649112B2 (en) 2005-07-25 2010-01-19 Saudi Basic Industries Corporation Integrated plant for producing 2-ethyl-hexanol and methacrylic acid and a method based thereon
US7732367B2 (en) 2005-07-25 2010-06-08 Saudi Basic Industries Corporation Catalyst for methacrolein oxidation and method for making and using same
DE102008020688B3 (de) * 2008-04-24 2009-11-05 Evonik Stockhausen Gmbh Verfahren zur Herstellung und Aufreinigung wässriger Phasen
CN102049261B (zh) * 2010-11-18 2013-03-27 中国海洋石油总公司 一种用于丙烯氧化制备丙烯醛的催化剂的制备方法
US8921257B2 (en) 2011-12-02 2014-12-30 Saudi Basic Industries Corporation Dual function partial oxidation catalyst for propane to acrylic acid conversion
US8722940B2 (en) 2012-03-01 2014-05-13 Saudi Basic Industries Corporation High molybdenum mixed metal oxide catalysts for the production of unsaturated aldehydes from olefins
WO2024089252A1 (fr) 2022-10-28 2024-05-02 Basf Se Procédé de fabrication d'un produit chimique d'intérêt dérivé du propylène, en particulier un ester acrylique, à partir d'éthanol d'origine renouvelable
WO2024133081A1 (fr) 2022-12-20 2024-06-27 Basf Se Fabrication d'un produit chimique d'intérêt dérivé de l'éthylène, en particulier de l'acide acrylique, en combinaison avec la génération de vapeur chauffée

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2047199A5 (fr) * 1969-05-02 1971-03-12 Nippon Kayaku Kk
FR2066134A5 (fr) * 1969-10-17 1971-08-06 Nippon Kayaku Kk
FR2077632A1 (fr) * 1970-01-31 1971-10-29 Asahi Chemical Ind
FR2227257A1 (fr) * 1973-04-30 1974-11-22 Standard Oil Co
US3959384A (en) * 1969-05-02 1976-05-25 Nippon Kayaku Kabushiki Kaisha Oxidation catalyst and process for oxidation of olefins to unsaturated aldehydes
FR2332803A1 (fr) * 1975-11-28 1977-06-24 Monsanto Co Procede de production de catalyseurs d'(amm)oxydation a base de molybdene et de bismuth et nouveaux produits ainsi obtenus

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4001317A (en) * 1974-07-22 1977-01-04 Standard Oil Company Process for the oxidation of olefins using catalysts containing various promoter elements

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2047199A5 (fr) * 1969-05-02 1971-03-12 Nippon Kayaku Kk
US3959384A (en) * 1969-05-02 1976-05-25 Nippon Kayaku Kabushiki Kaisha Oxidation catalyst and process for oxidation of olefins to unsaturated aldehydes
FR2066134A5 (fr) * 1969-10-17 1971-08-06 Nippon Kayaku Kk
FR2077632A1 (fr) * 1970-01-31 1971-10-29 Asahi Chemical Ind
FR2227257A1 (fr) * 1973-04-30 1974-11-22 Standard Oil Co
FR2332803A1 (fr) * 1975-11-28 1977-06-24 Monsanto Co Procede de production de catalyseurs d'(amm)oxydation a base de molybdene et de bismuth et nouveaux produits ainsi obtenus

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2495015A1 (fr) * 1980-11-28 1982-06-04 Rhone Poulenc Ind Procede pour la preparation de catalyseurs a base d'oxydes de molybdene et/ou de tungstene et d'oxydes d'autres metaux
EP0053532A1 (fr) * 1980-11-28 1982-06-09 Rhone-Poulenc Chimie De Base Procédé pour la préparation de catalyseurs à base d'oxydes de molybdène et/ou de tungstène et d'oxydes d'autres métaux

Also Published As

Publication number Publication date
NL7908135A (nl) 1980-05-16
DE2943707A1 (de) 1980-05-22
JPS5567339A (en) 1980-05-21
CA1122957A (fr) 1982-05-04
IT7927227A0 (it) 1979-11-12
IT1127219B (it) 1986-05-21
US4224187A (en) 1980-09-23
BE879966A (fr) 1980-05-12
GB2037603A (en) 1980-07-16

Similar Documents

Publication Publication Date Title
FR2441423A1 (fr) Procede de preparation d'un catalyseur pour l'oxydation des olefines, catalyseur ainsi obtenu et procede d'oxydation des olefines en l'utilisant
DE3338380C2 (fr)
US4397771A (en) Oxidation catalysts
CA1072072A (fr) Procede pour la preparation d'acides insatures a partir d'aldehydes insatures
DE2125032C3 (de) Verfahren zur Herstellung von (Meth) Acrolein neben geringen Mengen (Meth) Acrylsäure
JPS6118435A (ja) 酸化触媒
EP0088328B1 (fr) Catalyseur d'oxydation, en particulier pour la préparation d'acide méthacrylique par l'oxydation de la méthacroléine
DE69210288T2 (de) Verfahren zur Herstellung von Methanolein und Verfahren zur Herstellung eines Katalysators zur Verwendung in dem Methacrolein-Verfahren
FR2441424A1 (fr) Procede de preparation d'un catalyseur pour l'oxydation des olefines, et catalyseur ainsi obtenu et procede d'oxydation des olefines l'utilisant
US3966823A (en) Process for preparing 1,3-butadiene and methacrolein simultaneously
US4250339A (en) Process for producing methacrolein
DE1242599B (de) Verfahren zur Herstellung von Acrylsaeurenitril oder Methacrylsaeurenitril durch Umsetzung von Propylen oder Isobutylen mit Sauerstoff und Ammoniak
DE69024010T2 (de) Verfahren für die Herstellung von Methacrolein und Methacrylsäure.
US4101448A (en) Catalyst compositions especially useful for preparation of unsaturated acids
DE2258547A1 (de) Verfahren zur herstellung ungesaettigter carbonsaeuren
US4804778A (en) Process for producing methacrylic acid
EP0235760B1 (fr) Procédé de production de catalyseurs à base d'oxydes composites
DE2420281C2 (de) Verfahren zur Herstellung von Acrylsäure
EP0350862B1 (fr) Procédé pour la fabrication de l'acide méthacrylique
Heathcock et al. Acyclic stereoselection. 35. Effect of cation on diastereofacial selectivity in aldol reactions of a chiral α-silyloxy ketone.
US3980709A (en) Catalyst for preparation of α,β-unsaturated aldehydes and process for preparing the aldehydes
US3904653A (en) Synthesis of maleic anhydride
US4888438A (en) Method for ammoxidation of paraffins and catalyst system therefor
CA1150715A (fr) Procede pour la preparation de catalyseurs a base d'oxydes de molybdene et/ou de tungstene et metaux d'oxydes d'autres metaux
EP0634210B1 (fr) Procédé de préparation d'un catalyseur pour la fabrication de l'acide méthacrylique