IL102436A - A method of production with high utilization for the production of complete anhydride - Google Patents

A method of production with high utilization for the production of complete anhydride

Info

Publication number
IL102436A
IL102436A IL10243692A IL10243692A IL102436A IL 102436 A IL102436 A IL 102436A IL 10243692 A IL10243692 A IL 10243692A IL 10243692 A IL10243692 A IL 10243692A IL 102436 A IL102436 A IL 102436A
Authority
IL
Israel
Prior art keywords
catalyst
gas
bed
temperature
region
Prior art date
Application number
IL10243692A
Other languages
English (en)
Hebrew (he)
Other versions
IL102436A0 (en
Original Assignee
Ushuntsman Specialty Chemicals
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 Ushuntsman Specialty Chemicals filed Critical Ushuntsman Specialty Chemicals
Publication of IL102436A0 publication Critical patent/IL102436A0/xx
Publication of IL102436A publication Critical patent/IL102436A/en

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07CACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C51/00Preparation of carboxylic acids or their salts, halides or anhydrides
    • C07C51/16Preparation of carboxylic acids or their salts, halides or anhydrides by oxidation
    • C07C51/21Preparation of carboxylic acids or their salts, halides or anhydrides by oxidation with molecular oxygen
    • C07C51/215Preparation of carboxylic acids or their salts, halides or anhydrides by oxidation with molecular oxygen of saturated hydrocarbyl groups
    • 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
    • B01J23/002Mixed oxides other than spinels, e.g. perovskite
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J27/00Catalysts comprising the elements or compounds of halogens, sulfur, selenium, tellurium, phosphorus or nitrogen; Catalysts comprising carbon compounds
    • B01J27/14Phosphorus; Compounds thereof
    • B01J27/186Phosphorus; Compounds thereof with arsenic, antimony, bismuth, vanadium, niobium, tantalum, polonium, chromium, molybdenum, tungsten, manganese, technetium or rhenium
    • B01J27/195Phosphorus; Compounds thereof with arsenic, antimony, bismuth, vanadium, niobium, tantalum, polonium, chromium, molybdenum, tungsten, manganese, technetium or rhenium with vanadium, niobium or tantalum
    • B01J27/198Vanadium
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J35/00Catalysts, in general, characterised by their form or physical properties
    • B01J35/30Catalysts, in general, characterised by their form or physical properties characterised by their physical properties
    • B01J35/34Mechanical properties
    • B01J35/37Crush or impact strength
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J8/00Chemical or physical processes in general, conducted in the presence of fluids and solid particles; Apparatus for such processes
    • B01J8/02Chemical or physical processes in general, conducted in the presence of fluids and solid particles; Apparatus for such processes with stationary particles, e.g. in fixed beds
    • B01J8/06Chemical or physical processes in general, conducted in the presence of fluids and solid particles; Apparatus for such processes with stationary particles, e.g. in fixed beds in tube reactors; the solid particles being arranged in tubes
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J8/00Chemical or physical processes in general, conducted in the presence of fluids and solid particles; Apparatus for such processes
    • B01J8/02Chemical or physical processes in general, conducted in the presence of fluids and solid particles; Apparatus for such processes with stationary particles, e.g. in fixed beds
    • B01J8/06Chemical or physical processes in general, conducted in the presence of fluids and solid particles; Apparatus for such processes with stationary particles, e.g. in fixed beds in tube reactors; the solid particles being arranged in tubes
    • B01J8/067Heating or cooling the reactor
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J2208/00Processes carried out in the presence of solid particles; Reactors therefor
    • B01J2208/00008Controlling the process
    • B01J2208/00017Controlling the temperature
    • B01J2208/00026Controlling or regulating the heat exchange system
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J2208/00Processes carried out in the presence of solid particles; Reactors therefor
    • B01J2208/00008Controlling the process
    • B01J2208/00017Controlling the temperature
    • B01J2208/00026Controlling or regulating the heat exchange system
    • B01J2208/00035Controlling or regulating the heat exchange system involving measured parameters
    • B01J2208/00044Temperature measurement
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J2208/00Processes carried out in the presence of solid particles; Reactors therefor
    • B01J2208/00008Controlling the process
    • B01J2208/00017Controlling the temperature
    • B01J2208/00026Controlling or regulating the heat exchange system
    • B01J2208/00035Controlling or regulating the heat exchange system involving measured parameters
    • B01J2208/0007Pressure measurement
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J2208/00Processes carried out in the presence of solid particles; Reactors therefor
    • B01J2208/00008Controlling the process
    • B01J2208/00017Controlling the temperature
    • B01J2208/00106Controlling the temperature by indirect heat exchange
    • B01J2208/00168Controlling the temperature by indirect heat exchange with heat exchange elements outside the bed of solid particles
    • B01J2208/00212Plates; Jackets; Cylinders
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J2208/00Processes carried out in the presence of solid particles; Reactors therefor
    • B01J2208/00008Controlling the process
    • B01J2208/00539Pressure
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J2208/00Processes carried out in the presence of solid particles; Reactors therefor
    • B01J2208/00008Controlling the process
    • B01J2208/00548Flow
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J2523/00Constitutive chemical elements of heterogeneous catalysts
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J35/00Catalysts, in general, characterised by their form or physical properties
    • B01J35/50Catalysts, in general, characterised by their form or physical properties characterised by their shape or configuration
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J35/00Catalysts, in general, characterised by their form or physical properties
    • B01J35/50Catalysts, in general, characterised by their form or physical properties characterised by their shape or configuration
    • B01J35/55Cylinders or rings

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Materials Engineering (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Furan Compounds (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Catalysts (AREA)
  • Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
IL10243692A 1991-07-08 1992-07-07 A method of production with high utilization for the production of complete anhydride IL102436A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US72701891A 1991-07-08 1991-07-08

Publications (2)

Publication Number Publication Date
IL102436A0 IL102436A0 (en) 1993-01-14
IL102436A true IL102436A (en) 1996-10-31

Family

ID=24920993

Family Applications (1)

Application Number Title Priority Date Filing Date
IL10243692A IL102436A (en) 1991-07-08 1992-07-07 A method of production with high utilization for the production of complete anhydride

Country Status (20)

Country Link
US (1) US6005121A (pt)
EP (1) EP0593646B1 (pt)
JP (1) JP3424928B2 (pt)
KR (1) KR970007913B1 (pt)
CN (1) CN1083416C (pt)
AT (1) ATE174583T1 (pt)
AU (1) AU658217B2 (pt)
BR (1) BR9206256A (pt)
CA (1) CA2110579C (pt)
CZ (1) CZ282293A3 (pt)
DE (1) DE69227906T2 (pt)
ES (1) ES2125902T3 (pt)
HU (1) HU221457B (pt)
IL (1) IL102436A (pt)
MX (1) MX9203992A (pt)
NZ (1) NZ243467A (pt)
SK (1) SK1994A3 (pt)
TW (1) TW215086B (pt)
WO (1) WO1993001155A1 (pt)
ZA (1) ZA925058B (pt)

Families Citing this family (55)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19840224C2 (de) 1998-09-03 2002-09-12 Consortium Elektrochem Ind Verfahren zur Herstellung von Katalysatoren für die Synthese von Maleinsäureanhydrid durch Gasphasenoxidation
DE10011307A1 (de) 2000-03-10 2001-09-13 Basf Ag Katalysator und Verfahren zur Herstellung von Maleinsäureanhydrid
DE10011309A1 (de) * 2000-03-10 2001-09-13 Basf Ag Verfahren zur Herstellung von Maleinsäreanhydrid
DK1412085T3 (da) 2001-08-01 2005-04-11 Shell Int Research Formgivne trilobale partikler
DE10211445A1 (de) 2002-03-15 2003-10-02 Basf Ag Katalysator-Precursor für die Herstellung von Maleinsäureanhydrid und Verfahren zu dessen Herstellung
MY139580A (en) * 2002-06-07 2009-10-30 Shell Int Research Shaped catalyst particles for hydrocarbon synthesis
DE10235355A1 (de) * 2002-08-02 2004-02-19 Basf Ag Verfahren zur Herstellung von Maleinsäureanhydrid
CA2504371A1 (en) * 2002-11-04 2004-05-21 Shell Internationale Research Maatschappij B.V. Elongated shaped particles; use as a catalyst or support thereof
USD540564S1 (en) * 2005-01-20 2007-04-17 Shanghai Max Precision Instrument Co., Ltd. Music stand
US7678483B2 (en) * 2005-08-02 2010-03-16 Fuelcell Energy, Inc. Catalyst assembly for use in anode gas oxidizing systems of high temperature fuel cells
JP2009533211A (ja) * 2006-04-12 2009-09-17 ビーエーエスエフ ソシエタス・ヨーロピア カルボン酸及び/又はカルボン酸無水物を製造するための触媒系
US7308788B1 (en) * 2006-09-29 2007-12-18 International Engine Intellectual Property Company, Llc Engine and method for counteracting face plugging of a diesel oxidation catalyst
EP2106293B1 (en) * 2007-01-18 2016-03-30 Shell Internationale Research Maatschappij B.V. Catalyst, catalyst precursor, catalyst carrier, preparation and use of thereof in fischer-tropsch synthesis
US7645906B2 (en) 2007-03-27 2010-01-12 Chevron Phillips Chemical Company Lp Graded catalyst bed for methyl mercaptan synthesis
GB0816709D0 (en) 2008-09-12 2008-10-22 Johnson Matthey Plc Shaped heterogeneneous catalysts
GB0816703D0 (en) 2008-09-12 2008-10-22 Johnson Matthey Plc Shaped heterogeneous catalysts
GB0816705D0 (en) 2008-09-12 2008-10-22 Johnson Matthey Plc Shaped heterogeneous catalysts
TWI468223B (zh) * 2008-10-20 2015-01-11 Huntsman Petrochemical Llc 經改良之三瓣形馬來酸酐觸媒及製造馬來酸酐的方法
CN102574112A (zh) 2009-08-26 2012-07-11 巴斯夫欧洲公司 生产马来酸酐的催化剂前体及其制备方法
US9024062B2 (en) 2010-12-29 2015-05-05 Rohm And Haas Company Reactor and process for propane oxidation
WO2013106771A2 (en) 2012-01-13 2013-07-18 Siluria Technologies, Inc. Process for separating hydrocarbon compounds
EA201690010A1 (ru) 2012-01-30 2016-12-30 Басф Се Способ получения бутадиена и/или бутенов из н-бутана
US9670113B2 (en) 2012-07-09 2017-06-06 Siluria Technologies, Inc. Natural gas processing and systems
WO2014044693A1 (de) 2012-09-20 2014-03-27 Basf Se Verfahren zur herstellung von butadien mit entfernung von sauerstoff aus c4-kohlenwasserstoffströmen
AU2013355038B2 (en) 2012-12-07 2017-11-02 Lummus Technology Llc Integrated processes and systems for conversion of methane to multiple higher hydrocarbon products
WO2015081122A2 (en) 2013-11-27 2015-06-04 Siluria Technologies, Inc. Reactors and systems for oxidative coupling of methane
CN110655437B (zh) 2014-01-08 2022-09-09 鲁玛斯技术有限责任公司 乙烯成液体的系统和方法
CA3148421C (en) 2014-01-09 2024-02-13 Lummus Technology Llc Oxidative coupling of methane implementations for olefin production
US10377682B2 (en) 2014-01-09 2019-08-13 Siluria Technologies, Inc. Reactors and systems for oxidative coupling of methane
DE102014005939A1 (de) 2014-04-24 2015-10-29 Clariant International Ltd. Katalysatoranordnung mit optimierter Oberfläche zur Herstellung von Phthalsäureanhydrid
DE112015001907A5 (de) 2014-04-24 2017-01-05 Clariant International Ltd. Katalysatoranordnung mit optimiertem Lückengrad zur Herstellung von Phthalsäureanhydrid
CN104492468B (zh) * 2014-12-17 2017-02-22 大连瑞克科技有限公司 一种正丁烷氧化制顺丁二酸酐的催化剂的制备方法
US9334204B1 (en) 2015-03-17 2016-05-10 Siluria Technologies, Inc. Efficient oxidative coupling of methane processes and systems
US10793490B2 (en) 2015-03-17 2020-10-06 Lummus Technology Llc Oxidative coupling of methane methods and systems
US20160289143A1 (en) 2015-04-01 2016-10-06 Siluria Technologies, Inc. Advanced oxidative coupling of methane
FI127288B (en) * 2015-06-12 2018-03-15 Teknologian Tutkimuskeskus Vtt Oy Process and apparatus for preparing a chemical compound
US9328297B1 (en) 2015-06-16 2016-05-03 Siluria Technologies, Inc. Ethylene-to-liquids systems and methods
WO2017065970A1 (en) * 2015-10-15 2017-04-20 Saint-Gobain Ceramics & Plastics, Inc. Catalyst carrier
EP3362425B1 (en) 2015-10-16 2020-10-28 Lummus Technology LLC Separation methods and systems for oxidative coupling of methane
EP4071131A1 (en) 2016-04-13 2022-10-12 Lummus Technology LLC Apparatus and method for exchanging heat
FR3051684B1 (fr) * 2016-05-30 2020-09-04 Ifp Energies Now Catalyseur d'hydrogenation selective comprenant un support extrude
CN108101871B (zh) * 2016-11-24 2022-01-04 中国石油化工股份有限公司 一种正丁烷氧化制备顺酐的工艺方法
CN108101873A (zh) * 2016-11-24 2018-06-01 中国石油化工股份有限公司 一种正丁烷氧化制备顺酐的方法
CN108101872B (zh) * 2016-11-24 2022-01-04 中国石油化工股份有限公司 一种正丁烷氧化生产顺酐的催化剂级配方法
WO2018118105A1 (en) 2016-12-19 2018-06-28 Siluria Technologies, Inc. Methods and systems for performing chemical separations
ES2960342T3 (es) 2017-05-23 2024-03-04 Lummus Technology Inc Integración de procedimientos de acoplamiento oxidativo del metano
US10836689B2 (en) 2017-07-07 2020-11-17 Lummus Technology Llc Systems and methods for the oxidative coupling of methane
WO2019156953A2 (en) * 2018-02-12 2019-08-15 Huntsman Petrochemical Llc Cored round trilobe shaped catalyst for producing maleic anhydride
EP3894070A1 (en) 2018-12-12 2021-10-20 Haldor Topsøe A/S Catalyst particle shape
DE102019127789A1 (de) * 2019-10-15 2021-04-15 Clariant International Ltd. Neues Katalysatorsystem für die Herstellung von Maleinsäureanhydrid durch katalytische Oxidation von n-Butan
DE102019127790A1 (de) * 2019-10-15 2021-04-15 Clariant International Ltd Neues Katalysatorsystem für die Herstellung von Maleinsäureanhydrid durch katalytische Oxidation von n-Butan
DE102019127788A1 (de) * 2019-10-15 2021-04-15 Clariant International Ltd. Neues Reaktorsystem für die Herstellung von Maleinsäureanhydrid durch katalytische Oxidation von n-Butan
EP4059595A1 (de) 2021-03-15 2022-09-21 Linde GmbH Herstellung von ethylen durch oxidative dehydrierung von ethan
CN116328801B (zh) * 2021-12-22 2024-07-02 中国石油化工股份有限公司 夹心型苯制马来酸酐催化剂及其制备方法和应用
DE102022004204A1 (de) 2022-11-12 2024-05-23 Hans-Jürgen Eberle Vefahren zur Herstellung von Maleinsäureanhydrid

Family Cites Families (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US347041A (en) * 1886-08-10 Throttle-valve
GB1030507A (en) * 1962-06-15 1966-05-25 Harpener Bergbau Ag Process for the catalytic oxidation of hydrocarbons
US3296282A (en) * 1964-03-05 1967-01-03 Petro Tex Chem Corp Oxidation of hydrocarbons
US3474041A (en) * 1964-03-05 1969-10-21 Petro Tex Chem Corp Organo-phosphorus compounds in the reactivation of vanadium - phosphorus-oxygen catalysts
CA1137876A (en) * 1977-06-20 1982-12-21 Michael L. Noakes Catalyst supports
US4342699A (en) * 1981-02-23 1982-08-03 Standard Oil Company (Indiana) Process for production of maleic anhydride
EP0099431B1 (en) * 1982-07-20 1987-10-28 Amoco Corporation Process for production of maleic anhydride
US4501907A (en) * 1982-12-20 1985-02-26 Monsanto Company Maleic anhydride production using high butane feed concentration
DE3303289A1 (de) * 1983-02-01 1984-08-02 Bayer Ag, 5090 Leverkusen Verfahren zur herstellung von schwefelsaeure und oleum
US4780548A (en) * 1983-04-14 1988-10-25 Amoco Corporated Process for the manufacture of maleic anhydride utilizing catalysts reactivated with an ester of orthophosphoric acid in the presence of water
US4515904A (en) * 1983-09-30 1985-05-07 Standard Oil Company (Indiana) Catalysts for the production of maleic anhydride by the oxidation of butane
US4515899A (en) * 1983-12-14 1985-05-07 Denka Chemical Corporation Steam regeneration of phosphorus treated vanadium-phosphorus-oxygen catalysts
US4701433A (en) * 1985-05-22 1987-10-20 Amoco Corporation Process for improving phosphorus-vanadium oxide and phosphorus-vanadium-co-metal oxide catalysts
US4810803A (en) * 1985-05-22 1989-03-07 Amoco Corporation Process for improving phosphorus-vanadium oxide and phosphorus vanadium-co-metal oxide catalysts in the oxidation of -butane to maleic anhydride
US4632915A (en) * 1985-10-28 1986-12-30 Monsanto Company Iron/lithium--promoted catalysts for the production of maleic anhydride
US4855459A (en) * 1988-01-19 1989-08-08 Monsanto Company Process for the production of maleic anhydride

Also Published As

Publication number Publication date
SK1994A3 (en) 1994-09-07
HU221457B (en) 2002-10-28
EP0593646B1 (en) 1998-12-16
EP0593646A1 (en) 1994-04-27
US6005121A (en) 1999-12-21
CN1068324A (zh) 1993-01-27
CN1083416C (zh) 2002-04-24
IL102436A0 (en) 1993-01-14
ZA925058B (en) 1993-04-28
CZ282293A3 (en) 1994-04-13
AU658217B2 (en) 1995-04-06
DE69227906D1 (de) 1999-01-28
NZ243467A (en) 1994-06-27
HUT66868A (en) 1995-01-30
CA2110579A1 (en) 1993-01-21
CA2110579C (en) 2005-06-21
ES2125902T3 (es) 1999-03-16
ATE174583T1 (de) 1999-01-15
JP3424928B2 (ja) 2003-07-07
KR970007913B1 (en) 1997-05-17
BR9206256A (pt) 1995-10-10
AU2317892A (en) 1993-02-11
HU9400053D0 (en) 1994-05-30
WO1993001155A1 (en) 1993-01-21
JPH06508850A (ja) 1994-10-06
MX9203992A (es) 1993-08-01
TW215086B (pt) 1993-10-21
DE69227906T2 (de) 1999-07-01

Similar Documents

Publication Publication Date Title
US6005121A (en) High productivity process for the production of maleic anhydride
EP0781165B2 (en) Improved high performance vpo catalyst
RU2086299C1 (ru) Гранула катализатора и способ окислительной дегидрогенизации метанола
US5929256A (en) Production of maleic anhydride using molybdenum-modified vanadium-phosphorus oxide catalysts
WO1996000613A1 (en) Catalyst and process for the production of hydrogen and/or methane
EP0057918A2 (en) Use of a catalytic composition for the preparation of acrylonitrile
US5185455A (en) Method for improving the performance of VPO catalysts
EP0000617A1 (en) Production of unsubstituted and substituted indene.
EP1545758B1 (en) A method for extending catalyst life in processes for preparing vinyl aromatic hydrocarbons
EP0326536B1 (en) Process for the production of maleic anhydride
EP1888232B1 (en) Novel phosphorus addition process for improvement of catalysts suitable for maleic anhydride production
EP4157523B1 (en) Shaped catalyst body with improved properties, its preparation and use
JPH10508247A (ja) V/p/o触媒の▲か▼焼/活性化のための改良方法
US5204308A (en) Anionicaly stabilized lithium catalysts and a method for stabilizing the lithium catalyst
JPH04227072A (ja) アンモ酸化触媒の再活性化法
JPH0639437B2 (ja) スチレンの製造方法
MXPA00011545A (en) High hydrocarbon space velocity process for preparing unsaturated aldehydes and acids

Legal Events

Date Code Title Description
FF Patent granted
KB Patent renewed
KB Patent renewed
KB Patent renewed
HCA Change of name of proprietor(s) after amalgamation
KB Patent renewed
MM9K Patent not in force due to non-payment of renewal fees