YU58492A - Postupak za transformaciju vanadijum/fosfor mešanih oksidnih katalizatorskih prekur-sora u aktivni katalizator za proizvodnju maleinskog anhidrida - Google Patents

Postupak za transformaciju vanadijum/fosfor mešanih oksidnih katalizatorskih prekur-sora u aktivni katalizator za proizvodnju maleinskog anhidrida

Info

Publication number
YU58492A
YU58492A YU58492A YU58492A YU58492A YU 58492 A YU58492 A YU 58492A YU 58492 A YU58492 A YU 58492A YU 58492 A YU58492 A YU 58492A YU 58492 A YU58492 A YU 58492A
Authority
YU
Yugoslavia
Prior art keywords
vanadium
mixed oxide
maleic anhydride
water vapor
molecular oxygen
Prior art date
Application number
YU58492A
Other languages
English (en)
Inventor
J.R. Ebner
W.J. Andrews
Original Assignee
Monsanto Company
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 Monsanto Company filed Critical Monsanto Company
Publication of YU58492A publication Critical patent/YU58492A/sh

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
    • 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
    • B01J27/195—Phosphorus; Compounds thereof with arsenic, antimony, bismuth, vanadium, niobium, tantalum, polonium, chromium, molybdenum, tungsten, manganese, technetium or rhenium with vanadium, niobium or tantalum
    • B01J27/198—Vanadium
    • 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
    • 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
    • C07C51/215—Preparation of carboxylic acids or their salts, halides or anhydrides by oxidation with molecular oxygen of saturated hydrocarbyl groups
    • 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
    • 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
    • B01J2523/10—Constitutive chemical elements of heterogeneous catalysts of Group I (IA or IB) of the Periodic Table
    • B01J2523/11—Lithium
    • 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
    • B01J2523/50—Constitutive chemical elements of heterogeneous catalysts of Group V (VA or VB) of the Periodic Table
    • B01J2523/51—Phosphorus
    • 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
    • B01J2523/50—Constitutive chemical elements of heterogeneous catalysts of Group V (VA or VB) of the Periodic Table
    • B01J2523/55—Vanadium
    • 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
    • B01J2523/80—Constitutive chemical elements of heterogeneous catalysts of Group VIII of the Periodic Table
    • B01J2523/84—Metals of the iron group
    • B01J2523/842—Iron

Landscapes

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

Abstract

POSTUPAK ZA TRANSFORMACIJU VANADIJUM/FOSFOR MEŠANIH OKSIDNIH KATALIZATORSKIH PREKURSORA U AKTIVNI KATALIZATOR ZA PROIZVODNJU MALEINSKOG ANHIDRIDA, vanadijum/fosfor mešani oksidni katalizatori koji obuhvataju vanadil pirofosfat, koji po izboru sadrži promotorsku komponentu se transformiše iz vanadijum/fosfor mešanih oksidnih katalitičkih prekursora koji obuhvataju vanadil hidrogen fosfat, koji po izboru sadrže promotorsku komponentu, podvrgavanjem katalitičkih prekurso povišenim temperaturama u tri stupnja a) stupnju početnog zagrevanja u atmosferi odabranoj iz grupe koju čine vazduh, vodena para, inertan gas i njihove smeše, b) stupnju brzog zagrevanja pri programirancj brzini u atmosferi koja sadrži molekulski kiseonik/ vodenu paru i c) završnom stupnju održavanja, prvo u atmosferi koja sadrži molekulski kiseonik/vodenu paru i zatim u neoksidacionoj atmosferi koja sadrži vodenu paru. Takvi katalizatori su primenljivi za proizvodnju maleinskog an-hidrida preko parcijalne oksidacije nearomatičnih ugljovodonika, naročito n-butana u parnoj fazi sa molekulskim kiseonikom ili gasom koji sadrži molekulski kiseonik.
YU58492A 1991-06-27 1992-06-03 Postupak za transformaciju vanadijum/fosfor mešanih oksidnih katalizatorskih prekur-sora u aktivni katalizator za proizvodnju maleinskog anhidrida YU58492A (sh)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US07/722,070 US5137860A (en) 1991-06-27 1991-06-27 Process for the transformation of vanadium/phosphorus mixed oxide catalyst precursors into active catalysts for the production of maleic anhydride

Publications (1)

Publication Number Publication Date
YU58492A true YU58492A (sh) 1994-06-10

Family

ID=24900402

Family Applications (1)

Application Number Title Priority Date Filing Date
YU58492A YU58492A (sh) 1991-06-27 1992-06-03 Postupak za transformaciju vanadijum/fosfor mešanih oksidnih katalizatorskih prekur-sora u aktivni katalizator za proizvodnju maleinskog anhidrida

Country Status (20)

Country Link
US (1) US5137860A (sh)
EP (2) EP0520972A1 (sh)
JP (1) JP3322874B2 (sh)
KR (1) KR940701300A (sh)
CN (1) CN1068053A (sh)
AR (1) AR247494A1 (sh)
AT (1) ATE145155T1 (sh)
AU (1) AU2220792A (sh)
BR (1) BR9206206A (sh)
CA (1) CA2103448A1 (sh)
CZ (1) CZ259993A3 (sh)
DE (1) DE69215239T2 (sh)
HU (1) HUT69294A (sh)
IL (1) IL102020A0 (sh)
MX (1) MX9202478A (sh)
SK (1) SK147293A3 (sh)
TW (1) TW221972B (sh)
WO (1) WO1993000166A1 (sh)
YU (1) YU58492A (sh)
ZA (1) ZA923853B (sh)

Families Citing this family (70)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5185455A (en) * 1992-02-18 1993-02-09 Monsanto Company Method for improving the performance of VPO catalysts
US5364824A (en) * 1992-12-08 1994-11-15 Huntsman Specialty Chemicals Corporation Catalysis for the production of maleic anhydride containing vanadium-phosphorus oxide with selected promoter elements
DE69411404T2 (de) * 1993-01-29 1999-03-04 Mitsubishi Chemical Corp., Tokio/Tokyo Verfahren zur Herstellung eines Vanadium - Phosphoroxid enthaltenden Katalysatorvorläufers
US5348927A (en) * 1993-03-01 1994-09-20 Scientific Design Company, Inc. Treatment for virgin phosphorous/vanadium oxidation catalysts
US5498731A (en) * 1993-06-29 1996-03-12 Mitsubishi Chemical Corporation Oxide catalyst and process for producing maleic anhydride by using oxide catalyst
CN1042701C (zh) * 1993-11-16 1999-03-31 化学工业部北京化工研究院 正丁烷氧化制顺酐催化剂
US5401707A (en) * 1993-12-03 1995-03-28 The Trustees Of Princeton University Vanadium/phosphorus oxide oxidation catalyst
BE1008103A3 (fr) * 1994-04-22 1996-01-16 Pantochim Sa Procede de preparation de catalyseurs au vanadium et phosphore et leur utilisation pour la production d'anhydride maleique.
US5474960A (en) * 1994-06-15 1995-12-12 The Standard Oil Company Process for reactivating a fluid bed catalyst in a reactor dipley
JP3603331B2 (ja) * 1994-06-30 2004-12-22 住友化学株式会社 Ｃ４−ｌｐｇを用いる含酸素化合物の製造法
US5480853A (en) * 1994-07-15 1996-01-02 Scientific Design Company, Inc. Phosphorus/vanadium catalyst preparation
US5641722A (en) * 1994-09-15 1997-06-24 Huntsman Petrochemical Corporation High performance VPO catalyst and process of preparation thereof
US5519149A (en) * 1994-10-28 1996-05-21 E. I. Du Pont De Nemours And Company Vapor phase catalytic oxidation of N-butane to maleic anhydride incorporating in situ catalyst calcination/activation
US5945368A (en) * 1995-10-02 1999-08-31 Huntsman Petrochemical Corporation Molybdenum-modified vanadium-phosphorus oxide catalysts for the production of maleic anhydride
US5932746A (en) * 1996-04-29 1999-08-03 E. I. Du Pont De Nemours And Company Vanadium catalysts and their precursors
IT1290407B1 (it) * 1996-04-29 1998-12-03 Lonza Spa Procedimento per la trasformazione di un precursore di catalizzatore a base di ossido misto di vanadio/fosforo nel catalizzatore attivo
GB9610609D0 (en) * 1996-05-21 1996-07-31 Solvay Interox Ltd Oxidation catalysts
US5922637A (en) * 1997-03-28 1999-07-13 Scientific Design Company, Inc. Phosphorus/vanadium catalyst preparation
DE19727235A1 (de) * 1997-06-26 1999-01-07 Consortium Elektrochem Ind Verfahren zur Herstellung von Schalenkatalysatoren für die Synthese von Maleinsäureanhydrid durch Gasphasenoxidation
BE1012101A6 (fr) 1998-06-23 2000-05-02 Pantochim Sa Procede de conversion a haut rendement de n-butane en anhydride maleique par recyclage des gaz uses.
US6107234A (en) * 1999-01-29 2000-08-22 Scientific Design Company, Inc. Phosphorus/vanadium maleic anhydride catalyst preparation
ITMI991233A1 (it) * 1999-06-01 2000-12-01 Lonza Spa Procedimento per preparare un precursore di catalizzatore di ossido misto vanadio/fosforo
EP1502647A3 (en) * 1999-11-10 2005-03-23 Tonen Chemical Corporation Process for the preparation of an intercalation compound
DE10011309A1 (de) * 2000-03-10 2001-09-13 Basf Ag Verfahren zur Herstellung von Maleinsäreanhydrid
DE10011307A1 (de) * 2000-03-10 2001-09-13 Basf Ag Katalysator und Verfahren zur Herstellung von Maleinsäureanhydrid
DE10046072A1 (de) * 2000-09-15 2002-03-28 Basf Ag Katalysator-Precursor für die Herstellung von Maleinsäureanhydrid
DE10211445A1 (de) * 2002-03-15 2003-10-02 Basf Ag Katalysator-Precursor für die Herstellung von Maleinsäureanhydrid und Verfahren zu dessen Herstellung
DE10211446A1 (de) * 2002-03-15 2003-10-02 Basf Ag Verfahren zur Herstellung eines Vanadium, Phosphor und Sauerstoff enthaltenden Katalysators
DE10211449A1 (de) * 2002-03-15 2003-09-25 Basf Ag Katalysator-Precursor für die Herstellung von Maleinsäureanhydrid und Verfahren zu dessen Herstellung
DE10219228A1 (de) 2002-04-30 2003-11-13 Symrise Gmbh & Co Kg Aromapartikel
DE10235355A1 (de) * 2002-08-02 2004-02-19 Basf Ag Verfahren zur Herstellung von Maleinsäureanhydrid
US6858561B2 (en) * 2003-05-15 2005-02-22 Scientific Design Company, Inc. Phosphorus/vanadium catalyst preparation
DE10334582A1 (de) * 2003-07-28 2005-02-24 Basf Ag Verfahren zur Herstellung von Maleinsäureanhydrid
EP1514598A1 (en) * 2003-09-15 2005-03-16 Lonza S.p.A. Niobium doped vanadium/phosphorus mixed oxide catalyst
DE102005035978A1 (de) * 2005-07-28 2007-02-01 Basf Ag Katalysator und Verfahren zur Herstellung von Maleinsäureanhydrid
TW200719968A (en) * 2005-10-31 2007-06-01 Sued Chemie Ag Catalyst molding for partial oxidation reactions
US20070270597A1 (en) * 2006-05-18 2007-11-22 Basf Aktiengesellschaft Process for preparing maleic anhydride in a microchannel reactor
JP5140674B2 (ja) * 2006-09-05 2013-02-06 ハンツマン ペトロケミカル エルエルシー 改善されたマレイン酸無水物触媒およびその製造方法
DE102007012724A1 (de) 2007-03-16 2008-09-18 Basf Se Polynäres Metalloxidphosphat
DE102007012723A1 (de) 2007-03-16 2008-09-18 Basf Se Polynäres Vanadylpyrophosphat
DE102007012722A1 (de) 2007-03-16 2008-09-18 Basf Se Polynäres Metall-Vanadiumoxidphosphat
DE102007012725A1 (de) 2007-03-16 2008-09-18 Basf Se Polynäres Metalloxidphosphat
WO2009055406A2 (en) 2007-10-22 2009-04-30 Huntsman Petrochemical Corporation Improved oxidation catalyst for maleic anhydride production
CN102186584A (zh) * 2008-10-21 2011-09-14 亨斯迈石油化学有限责任公司 用于马来酸酐生产的高孔容vpo催化剂
CN102325593A (zh) 2008-12-22 2012-01-18 巴斯夫欧洲公司 用于生产马来酸酐的催化剂成型体及方法
ES2700658T3 (es) 2008-12-22 2019-02-18 Basf Se Catalizador y procedimiento para la preparación de anhídrido maleico
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
RU2566749C2 (ru) * 2009-11-10 2015-10-27 Басф Се Кожухотрубный реактор для получения ангидрида малеиновой кислоты
CN106622317A (zh) * 2010-09-10 2017-05-10 亨斯迈石油化学有限责任公司 用于生产马来酸酐的具有低钒氧化态的改进型 vpo催化剂
DE102010040923A1 (de) 2010-09-16 2012-03-22 Basf Se Verfahren zur Herstellung von Acrylsäure aus Ethanol und Formaldehyd
DE102010040921A1 (de) 2010-09-16 2012-03-22 Basf Se Verfahren zur Herstellung von Acrylsäure aus Methanol und Essigsäure
US8658557B2 (en) * 2011-10-25 2014-02-25 Ineos Usa Llc Catalyst for n-butane oxidation to maleic anhydride
US8785344B2 (en) 2012-02-20 2014-07-22 Basf Se Gas phase oxidation catalyst with low charge transport activation energy
EP2781262B1 (en) * 2013-03-22 2020-05-27 Clariant International Ltd Removable protective coating for the receipt of a dust free catalyst
DE102013008206A1 (de) 2013-05-14 2014-11-20 Basf Se Verfahren zur Herstellung von Vinylidencarbonsäure(ester)n durch Umsetzung von Formaldehyd mit Alkylcarbonsäure(estern)n
DE102013008207A1 (de) 2013-05-14 2014-11-20 Basf Se Verfahren zur Herstellung von Acrylsäure mit hoher Raum-Zeit-Ausbeute
US9073846B2 (en) 2013-06-05 2015-07-07 Celanese International Corporation Integrated process for the production of acrylic acids and acrylates
US9120743B2 (en) 2013-06-27 2015-09-01 Celanese International Corporation Integrated process for the production of acrylic acids and acrylates
CN104028288B (zh) * 2014-06-27 2016-08-24 大连龙缘化学有限公司 一种用于正丁烷氧化制备顺酐的催化剂
US9675966B2 (en) 2015-07-16 2017-06-13 Ineos Europe Ag Catalyst for n-butane oxidation to maleic anhydride
CN107866240B (zh) * 2016-09-23 2020-12-01 中国石油化工股份有限公司 用于制备顺丁烯二酸酐的催化剂及其制备方法
CN111097467B (zh) * 2018-10-25 2022-10-11 中国石油化工股份有限公司 低碳烃选择氧化的钒磷催化剂前驱体的活化方法
CN111097465B (zh) * 2018-10-25 2022-10-11 中国石油化工股份有限公司 钒磷氧化物催化剂的制备方法
IT201900013167A1 (it) 2019-07-29 2021-01-29 Polynt S P A Letto catalitico multistrato per l'ossidazione parziale di n-butano ad anidride maleica.
CN112705233A (zh) * 2019-10-24 2021-04-27 中国石油化工股份有限公司 一种钒磷氧催化剂及其制备方法和应用
EP4157523B1 (en) 2020-05-26 2024-04-03 Basf Se Shaped catalyst body with improved properties, its preparation and use
CN117999125A (zh) 2021-09-14 2024-05-07 意大利波林股份有限公司 用于将正丁烷部分氧化成马来酸酐的催化剂
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
WO2023165735A1 (en) 2022-03-02 2023-09-07 Polynt S.P.A. Process for the transformation of a vanadium/phosphorus mixed oxide catalyst precursor into the active catalyst for the production of maleic anhydride
DE102022004204A1 (de) 2022-11-12 2024-05-23 Hans-Jürgen Eberle Vefahren zur Herstellung von Maleinsäureanhydrid

Family Cites Families (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE791770A (fr) * 1971-11-22 1973-05-22 Chevron Res Catalyseurs d'oxydation a l'oxyde de vanadium et de phosphore
US3856824A (en) * 1971-12-27 1974-12-24 Monsanto Co Modified p-v-fe catalyst for production of maleic anhydride from saturated aliphatic hydrocarbons
BE791294A (fr) * 1972-01-03 1973-05-14 Chem Systems Procede d'oxydation du butane pour former de l'anhydride maleique
US3888886A (en) * 1972-06-08 1975-06-10 Mobil Oil Corp Oxidation of alkanes to maleic anhydride using promoted vanadium-phosphorus catalyst
US3864280A (en) * 1972-06-19 1975-02-04 Chevron Res Catalyst for a n-butane oxidation to maleic anhydride
US4187235A (en) * 1972-09-18 1980-02-05 Chevron Research Company Method for preparing maleic anhydride
US3980585A (en) * 1974-05-28 1976-09-14 Petro-Tex Chemical Corporation Catalyst and process for preparing maleic anhydride from C4 hydrocarbons
US4018709A (en) * 1975-03-17 1977-04-19 Petro-Tex Chemical Corporation Catalyst for preparing maleic anhydride from C4 hydrocarbons
US4251390A (en) * 1979-06-11 1981-02-17 Denka Chemical Corporation Partial oxidation catalyst
US4312787A (en) * 1979-12-17 1982-01-26 Standard Oil Company Coated catalysts containing high loading of active phase, particularly useful in the preparation of maleic anhydride
US4333853A (en) * 1980-05-05 1982-06-08 The Standard Oil Company Mixed vanadium phosphorus oxide catalysts and preparation thereof
US4315864A (en) * 1980-10-22 1982-02-16 Standard Oil Company (Ohio) Preparation of maleic anhydride
US4562269A (en) * 1981-12-07 1985-12-31 Union Oil Company Of California Method of producing maleic anhydride
DE3130343A1 (de) * 1981-07-31 1983-02-17 Bayer Ag, 5090 Leverkusen Vanadium/phosphor-mischoxid-katalysator, verfahren zu dessen herstellung sowie dessen verwendung
US4374756A (en) * 1981-09-09 1983-02-22 Koppers Company, Inc. Vanadium-hydrogen-phosphorus-oxygen catalytic material
CA1197230A (en) * 1982-06-30 1985-11-26 Dennis E. Dria Preparation of improved mixed vanadium phosphorus oxide catalysts and their use in oxidation processes
US4567158A (en) * 1983-12-28 1986-01-28 Monsanto Company Process for preparing phosphorus-vanadium mixed oxide oxidation catalysts
US4632916A (en) * 1985-07-15 1986-12-30 E. I. Du Pont De Nemours And Company Fumed silica modified catalyst
US4632915A (en) * 1985-10-28 1986-12-30 Monsanto Company Iron/lithium--promoted catalysts for the production of maleic anhydride
US4670415A (en) * 1985-10-28 1987-06-02 Monsanto Company Process for the preparation of iron/lithium -promoted catalysts for the production of maleic anhydride

Also Published As

Publication number Publication date
AR247494A1 (es) 1995-01-31
CZ259993A3 (en) 1994-03-16
CN1068053A (zh) 1993-01-20
JP3322874B2 (ja) 2002-09-09
DE69215239D1 (de) 1996-12-19
US5137860A (en) 1992-08-11
ZA923853B (en) 1993-04-28
DE69215239T2 (de) 1997-05-28
ATE145155T1 (de) 1996-11-15
EP0641256B1 (en) 1996-11-13
EP0641256A1 (en) 1995-03-08
AU2220792A (en) 1993-01-25
HU9303702D0 (en) 1994-04-28
SK147293A3 (en) 1994-09-07
IL102020A0 (en) 1992-12-30
KR940701300A (ko) 1994-05-28
BR9206206A (pt) 1995-06-13
CA2103448A1 (en) 1992-12-28
JPH06509018A (ja) 1994-10-13
HUT69294A (en) 1995-09-28
EP0520972A1 (en) 1992-12-30
MX9202478A (es) 1992-12-01
TW221972B (sh) 1994-04-01
WO1993000166A1 (en) 1993-01-07

Similar Documents

Publication Publication Date Title
YU58492A (sh) Postupak za transformaciju vanadijum/fosfor mešanih oksidnih katalizatorskih prekur-sora u aktivni katalizator za proizvodnju maleinskog anhidrida
DE69906224D1 (de) Hochleistungsverfahren zur herstellung von maleinsäureanhydrid aus n-butan
Agaskar et al. A molecular level mechanism of n-butane oxidation to maleic anhydride over vanadyl pyrophosphate
DE50102534D1 (de) Hohlzylinderförmiger katalysator und verfahren zur herstellung von maleinsäureanhydrid
AU2003212333A1 (en) Method for the production of a catalyst containing vanadium, phosphorus, and oxygen
GB1505458A (en) Catalyst precursor preparation
IL171952A0 (en) Method for producing phthalic anhydride
ES8800071A1 (es) Un procedimiento para la preparacion de un catalizador de oxidacion.
DE59808067D1 (de) Verfahren zur herstellung von phthalsäureanhydrid und titan-vanadium-cäsium enthaltendem schalenkatalysator hierfür
ATE299753T1 (de) Vanadium/phosphor mischoxid katalysator und vorlaüfer; verfahren zu deren herstellung
DE59703523D1 (de) Verwendung eines schalenkatalysators zur herstellung von essigsäure durch gasphasenoxidation von ungesättigten c 4-kohlenwasserstoffen
MY128287A (en) Method for producing maleic acid anhydride
KR950700112A (ko) 산화질소의 전환 방법(a process for the conversion of n_2o)
KR830007129A (ko) 올레핀성 할로겐화 유기반응 매질을 사용한 바나듐인 촉매의 제조방법
KR900006232A (ko) 바나듐-인계 결정성 산화물의 제조방법 및 이 결정성 산화물을 함유하는 촉매
GB1490977A (en) Catalysts
JP2002535136A5 (sh)
CA2358876A1 (en) Phosphorus/vanadium maleic anhydride catalyst preparation
ATE133952T1 (de) Verfahren zur herstellung von pyromellitsäuredianhydrid (pmda)
ES2118005T3 (es) Procedimiento para la preparacion de catalizadores de vanadio-fosforo y su utilizacion para la fabricacion de anhidrido maleico.
DE50202497D1 (de) Verfahren zur herstellung von maleinsäureanhydrid
Huang et al. Re-oxidation kinetics of a VPO catalyst
ES2000042A4 (es) Catalizadores promovidos con hierro/ litio para la produccion de anhidrido maleico y procedimiento para su preparacion.
KR970706897A (ko) V/P/O 촉매의 하소/활성화를 위한 개량된 방법(Improved Process for the Calcination/Activation of V/P/O Catalyst)
Wang et al. Oxidation of butane over vanadium–phosphorus oxides of P/V≥ 2