BE756951A - PERFECTED PROCESS FOR PREPARATION OF MALEIC ANHYDRIDE - Google Patents

PERFECTED PROCESS FOR PREPARATION OF MALEIC ANHYDRIDE

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
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/en
Priority claimed from DE19702014587 external-priority patent/DE2014587A1/en
Publication of BE756951A publication Critical patent/BE756951A/en

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
BE756951D 1969-10-01 PERFECTED PROCESS FOR PREPARATION OF MALEIC ANHYDRIDE BE756951A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19691949491 DE1949491A1 (en) 1969-10-01 1969-10-01 Catalyst for maleic anhydride prodn. - from 4c unsatd. linear hydrocarbons
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 (en) 1971-04-01

Family

ID=25757965

Family Applications (1)

Application Number Title Priority Date Filing Date
BE756951D BE756951A (en) 1969-10-01 PERFECTED PROCESS FOR PREPARATION OF MALEIC ANHYDRIDE

Country Status (4)

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

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 (en) * 1980-06-13 1981-12-18 Charbonnages Ste Chimique CONTINUOUS PROCESS FOR DEHYDRATION OF MALEIC ACID AND INSTALLATION FOR ITS IMPLEMENTATION
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 (en) * 1984-09-04 1988-12-24 Halcon Sd Group Inc
DE3504146A1 (en) * 1985-02-07 1986-08-07 Basf Ag, 6700 Ludwigshafen METHOD FOR OBTAINING HIGH PURITY MALEINIC ACID ANHYDRIDE FROM RAW MALEIC ACID ANHYDRIDE
US5972174A (en) * 1998-01-13 1999-10-26 Huntsman Petrochemical Corporation Process for the purification of maleic anhydride
DE10232482A1 (en) 2002-07-17 2004-01-29 Basf Ag Process for the safe operation of a continuous heterogeneously catalyzed gas phase partial oxidation of at least one organic compound
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
ATE450492T1 (en) 2003-08-06 2009-12-15 Basf Se METHOD FOR OPERATING A CONTINUOUS HETEROGENEOUSLY CATALYSED GAS PHASE PARTIAL OXIDATION OF AT LEAST ONE ORGANIC COMPOUND
KR101237662B1 (en) 2004-05-07 2013-02-26 바스프 에스이 Method for structurally filling contact tubes of a bank of contact tubes
DE102004025445A1 (en) 2004-05-19 2005-02-10 Basf Ag Gas-phase partial oxidation of an organic compound on a heterogeneous catalyst comprises counteracting deactivation of the catalyst by increasing the gas pressure
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 (en) 2006-01-05 2007-07-12 Basf Ag Heterogeneously catalyzed gas phase partial oxidation of organic compound in fixed catalyst bed involves recovering quality of catalyst bed by replacing its portion, with a catalyst having activity lower than that of the replaced catalyst
EP1734030A1 (en) 2006-01-18 2006-12-20 BASF Aktiengesellschaft Method for long term operation of a heterogeneously catalysed gas phase partial oxidation of an organic educt
DE102007004961A1 (en) 2007-01-26 2008-07-31 Basf Se Preparing a catalyst molded body, useful e.g. to prepare catalyst for gas phase partial oxidation of an organic compound, comprises molding a precursor mixture to a desired geometry, using graphite, and thermally treating the molded body
DE102007017080A1 (en) 2007-04-10 2008-10-16 Basf Se Method for feeding a longitudinal section of a contact tube
DE102007025869A1 (en) 2007-06-01 2008-07-03 Basf Se To service tube bundle of gas-phase hydrocarbon oxidation reactor immediately prior to re-charging with fresh bed of catalyst solids, they are brushed internally
DE102007028332A1 (en) 2007-06-15 2008-12-18 Basf Se A method for feeding a reactor with a fixed catalyst bed comprising at least annular shaped catalyst bodies K.
DE102007028333A1 (en) 2007-06-15 2008-12-18 Basf Se Method for introducing a subset taken from at least one production batch of annular shell catalysts K into a reaction tube of a tube bundle reactor
CN111974315A (en) * 2020-09-04 2020-11-24 张家港市江南锅炉压力容器有限公司 Fluidized reaction system

Also Published As

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

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