BE835488A - Procede de reduction de la teneur en trioxyde de molybdene de gaz provenant de reacteurs renfermant des catalyseurs a base de molybdene - Google Patents

Procede de reduction de la teneur en trioxyde de molybdene de gaz provenant de reacteurs renfermant des catalyseurs a base de molybdene

Info

Publication number
BE835488A
BE835488A BE161791A BE161791A BE835488A BE 835488 A BE835488 A BE 835488A BE 161791 A BE161791 A BE 161791A BE 161791 A BE161791 A BE 161791A BE 835488 A BE835488 A BE 835488A
Authority
BE
Belgium
Prior art keywords
molybdene
catalyzers
reducing
gas
reactors containing
Prior art date
Application number
BE161791A
Other languages
English (en)
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 filed Critical
Publication of BE835488A publication Critical patent/BE835488A/fr

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
    • 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
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01G—COMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSES C01D OR C01F
    • C01G39/00—Compounds of molybdenum
    • C01G39/02—Oxides; Hydroxides
    • 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
    • C07C51/42—Separation; Purification; Stabilisation; Use of additives
    • C07C51/47—Separation; Purification; Stabilisation; Use of additives by solid-liquid treatment; by chemisorption
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
    • C01P2006/00—Physical properties of inorganic compounds
    • C01P2006/10—Solid density
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
    • C01P2006/00—Physical properties of inorganic compounds
    • C01P2006/14—Pore volume
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
    • C01P2006/00—Physical properties of inorganic compounds
    • C01P2006/32—Thermal properties
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
    • C01P2006/00—Physical properties of inorganic compounds
    • C01P2006/80—Compositional purity

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Inorganic Chemistry (AREA)
  • Catalysts (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Treating Waste Gases (AREA)
  • Vaporization, Distillation, Condensation, Sublimation, And Cold Traps (AREA)
BE161791A 1974-11-12 1975-11-12 Procede de reduction de la teneur en trioxyde de molybdene de gaz provenant de reacteurs renfermant des catalyseurs a base de molybdene BE835488A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US05/523,195 US4029636A (en) 1974-11-12 1974-11-12 Method for reducing molybdenum trioxide content of gases issuing from reactors containing molybdenum-based catalysts

Publications (1)

Publication Number Publication Date
BE835488A true BE835488A (fr) 1976-05-12

Family

ID=24084032

Family Applications (1)

Application Number Title Priority Date Filing Date
BE161791A BE835488A (fr) 1974-11-12 1975-11-12 Procede de reduction de la teneur en trioxyde de molybdene de gaz provenant de reacteurs renfermant des catalyseurs a base de molybdene

Country Status (9)

Country Link
US (1) US4029636A (fr)
JP (1) JPS5170184A (fr)
BE (1) BE835488A (fr)
CA (1) CA1060184A (fr)
DE (1) DE2550838A1 (fr)
FR (1) FR2290952A1 (fr)
GB (1) GB1475666A (fr)
IT (1) IT1049470B (fr)
NL (1) NL183719C (fr)

Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4391880A (en) * 1978-01-18 1983-07-05 The Lummus Company Recovery of heat and vaporized material from a reaction effluent
US4358623A (en) * 1981-07-23 1982-11-09 Celanese Corporation Process for catalytically converting methanol to formaldehyde
JPS5976543A (ja) * 1982-10-26 1984-05-01 Nitto Chem Ind Co Ltd 鉄・アンチモン系金属酸化物触媒の再生法
JPS5976544A (ja) * 1982-10-26 1984-05-01 Nitto Chem Ind Co Ltd 鉄・アンチモン系金属酸化物触媒の再生方法
US5081314A (en) * 1990-12-07 1992-01-14 Kissel Charles L Process for producing acrolein
DE4110337A1 (de) * 1991-03-28 1992-10-01 Siemens Ag Verfahren und einrichtung zur regeneration verbrauchter deno(pfeil abwaerts)x(pfeil abwaerts)-katalysatoren
CN1062550C (zh) † 1993-06-25 2001-02-28 住友化学工业株式会社 不饱和醛和不饱和羧酸的制备方法
JP4045693B2 (ja) * 1999-04-27 2008-02-13 住友化学株式会社 メタクリル酸の製造方法
US20060292046A1 (en) * 2003-07-31 2006-12-28 Dow Global Technologies Inc. Oxidation process and reactor with modified feed system
DE102007025869A1 (de) * 2007-06-01 2008-07-03 Basf Se Verfahren der Wiederbeschickung der Reaktionsrohre eines Rohrbündelreaktors mit einem neuen Katalysatorfestbett
WO2010075467A1 (fr) * 2008-12-23 2010-07-01 Mks Instruments, Inc. Système de confinement de produit chimique réactif
JP5619024B2 (ja) * 2008-12-26 2014-11-05 ジーエイチティー・グローバル・ヒーティング・テクノロジーズ・ゲーエムベーハー ジェットキャビティ触媒加熱装置
DE102011011895A1 (de) * 2011-02-21 2012-08-23 Lurgi Gmbh Rohrreaktor
US9440903B2 (en) 2012-09-24 2016-09-13 Arkema Inc. Shell and tube oxidation reactor with improved resistance to fouling
CN112266021B (zh) * 2020-11-25 2021-11-16 中南大学 一种同步制备物相纯α-MoO3和β-MoO3的方法

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1568925C3 (de) * 1966-08-09 1975-10-09 Hoechst Ag, 6000 Frankfurt Verfahren zur Abtrennung von Acrylsäure aus den Reaktionsgasen der Propylen- oder Acrolein-Oxydation
US3647867A (en) * 1967-08-24 1972-03-07 Knapsack Ag Process for the manufacture of acrylic acid by the oxidation of propylene and/or acrolein
DE1910795A1 (de) * 1969-03-04 1970-09-17 Degussa Verfahren zur Vermeidung von Nachreaktionen bei der katalytischen Oxydation von Propylen oder Acrolein
DE2238851B2 (de) * 1972-08-07 1979-08-30 Hoechst Ag, 6000 Frankfurt Verfahren zur Herstellung von Acrolein und/oder Acrylsäure unter Vermeidung von Nachreaktionen bei der katalytischen Oxidation von Propylen und/oder Acrolein
US3882159A (en) * 1973-08-20 1975-05-06 Standard Oil Co Reactivation of molybdenum containing oxidation catalysts in fluid bed reactors

Also Published As

Publication number Publication date
DE2550838A1 (de) 1976-05-13
US4029636A (en) 1977-06-14
FR2290952A1 (fr) 1976-06-11
NL183719B (nl) 1988-08-01
CA1060184A (fr) 1979-08-14
NL183719C (nl) 1989-01-02
JPS5170184A (fr) 1976-06-17
FR2290952B1 (fr) 1982-02-12
DE2550838C2 (fr) 1989-06-29
GB1475666A (en) 1977-06-01
IT1049470B (it) 1981-01-20
NL7513225A (nl) 1976-05-14

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Legal Events

Date Code Title Description
RE20 Patent expired

Owner name: CELANESE CORP.

Effective date: 19951112