GB988619A - Dehydrogenation process - Google Patents

Dehydrogenation process

Info

Publication number
GB988619A
GB988619A GB2288161A GB2288161A GB988619A GB 988619 A GB988619 A GB 988619A GB 2288161 A GB2288161 A GB 2288161A GB 2288161 A GB2288161 A GB 2288161A GB 988619 A GB988619 A GB 988619A
Authority
GB
United Kingdom
Prior art keywords
olefin
iodine
atmosphere
mol
metal
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.)
Expired
Application number
GB2288161A
Inventor
Laimonis Bajars
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.)
Petro Tex Chemical Corp
Original Assignee
Petro Tex Chemical Corp
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 Petro Tex Chemical Corp filed Critical Petro Tex Chemical Corp
Priority to GB2288161A priority Critical patent/GB988619A/en
Publication of GB988619A publication Critical patent/GB988619A/en
Expired legal-status Critical Current

Links

Classifications

    • 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
    • C07C5/54—Preparation of hydrocarbons from hydrocarbons containing the same number of carbon atoms by dehydrogenation with a hydrogen acceptor with an acceptor system containing at least two compounds provided for in more than one of the sub-groups C07C5/44 - C07C5/50
    • C07C5/56—Preparation of hydrocarbons from hydrocarbons containing the same number of carbon atoms by dehydrogenation with a hydrogen acceptor with an acceptor system containing at least two compounds provided for in more than one of the sub-groups C07C5/44 - C07C5/50 containing only oxygen and either halogens or halogen-containing compounds

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Catalysts (AREA)

Abstract

Diolefins are obtained by dehydrogenating a C4-C6 mono-olefin in the vapour phase at 400-850 DEG C. with at least 1/4 mol of oxygen per mol of olefin and an amount of an iodine-liberating material sufficient to provide more than 0.001 mol of iodine per mol of olefin, the partial pressure of olefin being less than half the total pressure at pressures of above one atmosphere and less than one half an atmosphere at pressures up to one atmosphere, and in the presence of a metal other than silver, gold, proactinium or a transuranic element or an oxide, hydroxide or salt thereof. Preferred olefins are butenes and methylbutenes which yield butadiene and isoprene. The molar ratio of oxygen to olefin may be 0.25-5:1 and of iodine 0.001-0.2:1, the iodine-liberating material being iodine, hydrogen iodine or an organic iodide. Flow rates of olefin of 0.5-3 vol./vol/hr. and contact times of 0.1 second to several minutes may be used. Many catalysts are specified, metal halides and phosphates are particularly preferred. Where the catalyst is a metal, e.g. stainless steel, this may form the reaction chamber walls.
GB2288161A 1961-06-23 1961-06-23 Dehydrogenation process Expired GB988619A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB2288161A GB988619A (en) 1961-06-23 1961-06-23 Dehydrogenation process

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB2288161A GB988619A (en) 1961-06-23 1961-06-23 Dehydrogenation process

Publications (1)

Publication Number Publication Date
GB988619A true GB988619A (en) 1965-04-07

Family

ID=10186544

Family Applications (1)

Application Number Title Priority Date Filing Date
GB2288161A Expired GB988619A (en) 1961-06-23 1961-06-23 Dehydrogenation process

Country Status (1)

Country Link
GB (1) GB988619A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3530169A (en) * 1965-07-02 1970-09-22 Basf Ag Production of methacrylic esters
EP0766330A1 (en) 1989-12-27 1997-04-02 The Standard Oil Company Components for use in electrochemical cells and their use in oxygen separation

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3530169A (en) * 1965-07-02 1970-09-22 Basf Ag Production of methacrylic esters
EP0766330A1 (en) 1989-12-27 1997-04-02 The Standard Oil Company Components for use in electrochemical cells and their use in oxygen separation

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