GB307945A - An improved process for the production of butadiene hydrocarbons - Google Patents

An improved process for the production of butadiene hydrocarbons

Info

Publication number
GB307945A
GB307945A GB2384327A GB2384327A GB307945A GB 307945 A GB307945 A GB 307945A GB 2384327 A GB2384327 A GB 2384327A GB 2384327 A GB2384327 A GB 2384327A GB 307945 A GB307945 A GB 307945A
Authority
GB
United Kingdom
Prior art keywords
per cent
steam
chromium
volume
butadiene
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
GB2384327A
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.)
IG Farbenindustrie AG
Original Assignee
IG Farbenindustrie 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.)
Filing date
Publication date
Application filed by IG Farbenindustrie AG filed Critical IG Farbenindustrie AG
Priority to GB2384327A priority Critical patent/GB307945A/en
Publication of GB307945A publication Critical patent/GB307945A/en
Expired legal-status Critical Current

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07CACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C4/00Preparation of hydrocarbons from hydrocarbons containing a larger number of carbon atoms
    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07CACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C2521/00Catalysts comprising the elements, oxides or hydroxides of magnesium, boron, aluminium, carbon, silicon, titanium, zirconium or hafnium
    • C07C2521/06Silicon, titanium, zirconium or hafnium; Oxides or hydroxides thereof
    • C07C2521/08Silica

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Production Of Liquid Hydrocarbon Mixture For Refining Petroleum (AREA)
  • Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)

Abstract

307,945. Johnson, J. Y., (I. G. Farbenindustrie Akt.-Ges.). Sept. 10, 1927. Diolefines are obtained by heating aliphatic or cyclic paraffins or olefines obtained from mineral or artificial sources, with ¢ volume or more of steam in the presence of the catalysts specified in Specification 297,398 or of silica silicates, or noble metals. The temperature may be 600- 800‹ C. or more. Preferably the apparatus is made or lined with metals which do not cause deposition of carbon, such as chromium, vanadium, manganese or alloys such as highly alloyed steels containing considerable amounts of chromium, nickel vanadium, manganese, cobalt, molybdenum, or tungsten, a steel containing about 72 per cent of iron, 7 per cent of nickel, and 10.6 per cent of chromium being particularly suitable. In the examples, (1) 1 volume of hexamethylene vapour mixed with volume of steam is passed over lime at 680‹ C., yielding 65 per cent of butadiene and also butylene, propylene &c. (2) Equal weights of tetrahydrobenzene and steam are passed at 650‹ C. over magnesia containing up to 5 per cent of lime yielding 85 per cent of butadiene and some butylene; propylene and ethylene. The Provisional Specification states that other diluents such as carbon dioxide or nitrogen may be employed instead of steam, and is not limited as to the source of the initial hydrocarbon. Reference has been directed by the Comptroller to Specifications 27387/11 and 269,593.
GB2384327A 1927-09-10 1927-09-10 An improved process for the production of butadiene hydrocarbons Expired GB307945A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB2384327A GB307945A (en) 1927-09-10 1927-09-10 An improved process for the production of butadiene hydrocarbons

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB2384327A GB307945A (en) 1927-09-10 1927-09-10 An improved process for the production of butadiene hydrocarbons

Publications (1)

Publication Number Publication Date
GB307945A true GB307945A (en) 1929-03-11

Family

ID=10202201

Family Applications (1)

Application Number Title Priority Date Filing Date
GB2384327A Expired GB307945A (en) 1927-09-10 1927-09-10 An improved process for the production of butadiene hydrocarbons

Country Status (1)

Country Link
GB (1) GB307945A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2418879A (en) * 1944-02-29 1947-04-15 Girdler Corp Pyrolysis of hydrocarbons to produce olefines

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2418879A (en) * 1944-02-29 1947-04-15 Girdler Corp Pyrolysis of hydrocarbons to produce olefines

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