BE756951A - Procede perfectionne de preparation de l'anhydride maleique - Google Patents

Procede perfectionne de preparation de l'anhydride maleique

Info

Publication number
BE756951A
BE756951A BE756951DA BE756951A BE 756951 A BE756951 A BE 756951A BE 756951D A BE756951D A BE 756951DA BE 756951 A BE756951 A BE 756951A
Authority
BE
Belgium
Prior art keywords
preparation
maleic anhydride
perfected process
perfected
maleic
Prior art date
Application number
Other languages
English (en)
French (fr)
Original Assignee
Basf Ag
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.)
Publication date
Priority claimed from DE19691949491 external-priority patent/DE1949491A1/de
Priority claimed from DE19702014587 external-priority patent/DE2014587A1/de
Publication of BE756951A publication Critical patent/BE756951A/xx

Links

Classifications

    • 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
    • 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
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C51/00—Preparation of carboxylic acids or their salts, halides or anhydrides
    • C07C51/54—Preparation of carboxylic acid anhydrides
    • C07C51/56—Preparation of carboxylic acid anhydrides from organic acids, their salts, their esters or their halides, e.g. by carboxylation

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Furan Compounds (AREA)
BE756951D 1969-10-01 Procede perfectionne de preparation de l'anhydride maleique BE756951A (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19691949491 DE1949491A1 (de) 1969-10-01 1969-10-01 Verfahren zur Herstellung von Maleinsaeureanhydrid
DE19702014587 DE2014587A1 (en) 1970-03-26 1970-03-26 Catalyst for maleic anhydride prodn. - from 4c unsatd. linear hydrocarbons

Publications (1)

Publication Number Publication Date
BE756951A true BE756951A (fr) 1971-04-01

Family

ID=25757965

Family Applications (1)

Application Number Title Priority Date Filing Date
BE756951D BE756951A (fr) 1969-10-01 Procede perfectionne de preparation de l'anhydride maleique

Country Status (4)

Country Link
AT (1) AT301514B (enExample)
BE (1) BE756951A (enExample)
FR (1) FR2062821A5 (enExample)
GB (1) GB1291354A (enExample)

Families Citing this family (26)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4110350A (en) * 1974-10-22 1978-08-29 Ube Industries, Ltd. Catalytic oxidative process for producing maleic anhydride
US4081460A (en) * 1975-03-31 1978-03-28 Denka Chemical Corporation Process for the vapor phase oxidation of benzene to maleic anhydrides
US4020174A (en) * 1975-09-24 1977-04-26 Standard Oil Company (Indiana) Reactivation of maleic anhydride producing phosphorus-vanadium-oxygen complex oxidation catalysts by treatment with halide containing materials
CH617930A5 (en) * 1976-04-12 1980-06-30 Lonza Ag Method for preparing maleic anhydride.
FR2484417A1 (fr) 1980-06-13 1981-12-18 Charbonnages Ste Chimique Procede continu de deshydratation de l'acide maleique et installation pour sa mise en oeuvre
US4649205A (en) * 1983-04-14 1987-03-10 Standard Oil Company (Indiana) Process for the manufacture of maleic anhydride utilizing catalysts reactivated with alkyl esters of orthophosphoric acid in the presence of water
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
US4515899A (en) * 1983-12-14 1985-05-07 Denka Chemical Corporation Steam regeneration of phosphorus treated vanadium-phosphorus-oxygen catalysts
IN164007B (enExample) * 1984-09-04 1988-12-24 Halcon Sd Group Inc
DE3504146A1 (de) * 1985-02-07 1986-08-07 Basf Ag, 6700 Ludwigshafen Verfahren zur gewinnung von hochreinem maleinsaeureanhydrid aus rohem maleinsaeureanhydrid
US5972174A (en) * 1998-01-13 1999-10-26 Huntsman Petrochemical Corporation Process for the purification of maleic anhydride
DE10232482A1 (de) 2002-07-17 2004-01-29 Basf Ag Verfahren zum sicheren Betreiben einer kontinuierlichen heterogen katalysierten Gasphasen-Partialoxidation wenigstens einer organischen Verbindung
US7115776B2 (en) 2002-07-18 2006-10-03 Basf Aktiengesellschaft Heterogeneously catalyzed gas-phase partial oxidation of at least one organic compound
US6958414B2 (en) 2002-12-16 2005-10-25 Basf Aktiengesellschaft Preparation of at least one organic compound by heterogeneously catalyzed partial gas-phase oxidation
WO2005016852A2 (de) 2003-08-06 2005-02-24 Basf Aktiengesellschaft Verfahren zum betreiben einer kontinuierlichen heterogen katalysierten gasphasen-partialoxidation wenigstens einer organischen verbindung
BRPI0509632B1 (pt) 2004-05-07 2015-09-08 Basf Ag processo para carregamento de tubos de contato de um feixe de tubos de contato de uma maneira estruturada
DE102004025445A1 (de) 2004-05-19 2005-02-10 Basf Ag Verfahren zum Langzeitbetrieb einer heterogen katalysierten Gasphasenpartialoxidation wenigstens einer organischen Verbindung
US7439389B2 (en) 2005-03-01 2008-10-21 Basf Aktiengesellschaft Process for preparing at least one organic target compound by heterogeneously catalyzed gas phase partial oxidation
DE102006000996A1 (de) 2006-01-05 2007-07-12 Basf Ag Verfahren der heterogen katalysierten Gasphasen-Partialoxidation wenigstens einer organischen Ausgangsverbindung
EP1734030A1 (de) 2006-01-18 2006-12-20 BASF Aktiengesellschaft Verfahren zum Langzeitbetrieb einer heterogen katalysierten partiellen Gasphasenoxidation einer organischen Ausgangsverbindung
DE102007004961A1 (de) 2007-01-26 2008-07-31 Basf Se Verfahren zur Herstellung von Katalysatorformkörpern, deren Aktivmasse ein Multielementoxid ist
DE102007017080A1 (de) 2007-04-10 2008-10-16 Basf Se Verfahren zur Beschickung eines Längsabschnitts eines Kontaktrohres
DE102007025869A1 (de) 2007-06-01 2008-07-03 Basf Se Verfahren der Wiederbeschickung der Reaktionsrohre eines Rohrbündelreaktors mit einem neuen Katalysatorfestbett
DE102007028333A1 (de) 2007-06-15 2008-12-18 Basf Se Verfahren zum Einbringen einer wenigstens einer Produktionscharge von ringförmigen Schalenkatalysatoren K entnommenen Teilmenge in ein Reaktionsrohr eines Rohrbündelreaktors
DE102007028332A1 (de) 2007-06-15 2008-12-18 Basf Se Verfahren zum Beschicken eines Reaktors mit einem Katalysatorfestbett, das wenigstens ringförmige Katalysatorformkörper K umfasst
CN111974315B (zh) * 2020-09-04 2024-08-30 江苏江锅智能装备股份有限公司 流化反应系统

Also Published As

Publication number Publication date
FR2062821A5 (enExample) 1971-06-25
AT301514B (de) 1972-09-11
GB1291354A (en) 1972-10-04

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