FR2401123A1 - Prepn. of a diene hydrocarbon with concurrent catalyst recycle - by oxidising dehydrogenation of an alkane or alkene, e.g. (N)-butane - Google Patents

Prepn. of a diene hydrocarbon with concurrent catalyst recycle - by oxidising dehydrogenation of an alkane or alkene, e.g. (N)-butane

Info

Publication number
FR2401123A1
FR2401123A1 FR7725924A FR7725924A FR2401123A1 FR 2401123 A1 FR2401123 A1 FR 2401123A1 FR 7725924 A FR7725924 A FR 7725924A FR 7725924 A FR7725924 A FR 7725924A FR 2401123 A1 FR2401123 A1 FR 2401123A1
Authority
FR
France
Prior art keywords
bed
prepn
oxidising
dehydrogenation
alkene
Prior art date
Legal status (The legal status 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 status listed.)
Granted
Application number
FR7725924A
Other languages
French (fr)
Other versions
FR2401123B1 (en
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
TSAILINGOLD ANATOLY
Original Assignee
TSAILINGOLD ANATOLY
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 TSAILINGOLD ANATOLY filed Critical TSAILINGOLD ANATOLY
Priority to FR7725924A priority Critical patent/FR2401123A1/en
Publication of FR2401123A1 publication Critical patent/FR2401123A1/en
Application granted granted Critical
Publication of FR2401123B1 publication Critical patent/FR2401123B1/fr
Granted legal-status Critical Current

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
    • B01J8/00—Chemical or physical processes in general, conducted in the presence of fluids and solid particles; Apparatus for such processes
    • B01J8/18—Chemical or physical processes in general, conducted in the presence of fluids and solid particles; Apparatus for such processes with fluidised particles
    • B01J8/24—Chemical or physical processes in general, conducted in the presence of fluids and solid particles; Apparatus for such processes with fluidised particles according to "fluidised-bed" technique
    • B01J8/38—Chemical or physical processes in general, conducted in the presence of fluids and solid particles; Apparatus for such processes with fluidised particles according to "fluidised-bed" technique with fluidised bed containing a rotatable device or being subject to rotation or to a circulatory movement, i.e. leaving a vessel and subsequently re-entering it
    • B01J8/384—Chemical or physical processes in general, conducted in the presence of fluids and solid particles; Apparatus for such processes with fluidised particles according to "fluidised-bed" technique with fluidised bed containing a rotatable device or being subject to rotation or to a circulatory movement, i.e. leaving a vessel and subsequently re-entering it being subject to a circulatory movement only
    • B01J8/386—Chemical or physical processes in general, conducted in the presence of fluids and solid particles; Apparatus for such processes with fluidised particles according to "fluidised-bed" technique with fluidised bed containing a rotatable device or being subject to rotation or to a circulatory movement, i.e. leaving a vessel and subsequently re-entering it being subject to a circulatory movement only internally, i.e. the particles rotate within the vessel
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C5/00—Preparation of hydrocarbons from hydrocarbons containing the same number of carbon atoms
    • C07C5/42—Preparation of hydrocarbons from hydrocarbons containing the same number of carbon atoms by dehydrogenation with a hydrogen acceptor
    • C07C5/48—Preparation of hydrocarbons from hydrocarbons containing the same number of carbon atoms by dehydrogenation with a hydrogen acceptor with oxygen as an acceptor
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P20/00—Technologies relating to chemical industry
    • Y02P20/50—Improvements relating to the production of bulk chemicals
    • Y02P20/584—Recycling of catalysts

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Combustion & Propulsion (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)

Abstract

Prepn. of a diene hydrocarbon comprises oxidising dehydrogenation of an alkone or alkene at 400-700 degrees C in the presence of an inert diluent and an oxidising agent in a fluidised bed of an oxide catalyst. The reactor contains >=2 sections which are divided vertically and communicate in the upper and lower parts of the fluidised catalyst bed. The bed circulates in a predetermined direction from section to section. It is reduced during the reaction while its movement is co-current with the hydrocarbon feed. Reaction products are desorbed upon counter-current movement of the bed with inert diluent, and the bed is oxidised to regeneration by co-current movement with oxidant. Used for prepn. of butadiene isoprene, etc. The process is simple and avoids large catalyst losses. It is cheap and can be performed industrially.
FR7725924A 1977-08-25 1977-08-25 Prepn. of a diene hydrocarbon with concurrent catalyst recycle - by oxidising dehydrogenation of an alkane or alkene, e.g. (N)-butane Granted FR2401123A1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR7725924A FR2401123A1 (en) 1977-08-25 1977-08-25 Prepn. of a diene hydrocarbon with concurrent catalyst recycle - by oxidising dehydrogenation of an alkane or alkene, e.g. (N)-butane

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7725924A FR2401123A1 (en) 1977-08-25 1977-08-25 Prepn. of a diene hydrocarbon with concurrent catalyst recycle - by oxidising dehydrogenation of an alkane or alkene, e.g. (N)-butane

Publications (2)

Publication Number Publication Date
FR2401123A1 true FR2401123A1 (en) 1979-03-23
FR2401123B1 FR2401123B1 (en) 1980-06-20

Family

ID=9194765

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7725924A Granted FR2401123A1 (en) 1977-08-25 1977-08-25 Prepn. of a diene hydrocarbon with concurrent catalyst recycle - by oxidising dehydrogenation of an alkane or alkene, e.g. (N)-butane

Country Status (1)

Country Link
FR (1) FR2401123A1 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2010149559A1 (en) * 2009-06-24 2010-12-29 Basf Se METHOD FOR PRODUCING CHLORINE FROM HCl

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2010149559A1 (en) * 2009-06-24 2010-12-29 Basf Se METHOD FOR PRODUCING CHLORINE FROM HCl

Also Published As

Publication number Publication date
FR2401123B1 (en) 1980-06-20

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Legal Events

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ST Notification of lapse