GB892254A - Improvements in or relating to separating paraffins and olefines - Google Patents

Improvements in or relating to separating paraffins and olefines

Info

Publication number
GB892254A
GB892254A GB12518/60A GB1251860A GB892254A GB 892254 A GB892254 A GB 892254A GB 12518/60 A GB12518/60 A GB 12518/60A GB 1251860 A GB1251860 A GB 1251860A GB 892254 A GB892254 A GB 892254A
Authority
GB
United Kingdom
Prior art keywords
solvent
olefines
contain
recovered
paraffins
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
GB12518/60A
Inventor
Hans-Martin Weitz
Lothar Lorenz
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.)
BASF SE
Original Assignee
BASF SE
Badische Anilin and Sodafabrik 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 BASF SE, Badische Anilin and Sodafabrik AG filed Critical BASF SE
Publication of GB892254A publication Critical patent/GB892254A/en
Expired legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10K—PURIFYING OR MODIFYING THE CHEMICAL COMPOSITION OF COMBUSTIBLE GASES CONTAINING CARBON MONOXIDE
    • C10K1/00—Purifying combustible gases containing carbon monoxide
    • C10K1/08—Purifying combustible gases containing carbon monoxide by washing with liquids; Reviving the used wash liquors
    • C10K1/16—Purifying combustible gases containing carbon monoxide by washing with liquids; Reviving the used wash liquors with non-aqueous liquids
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C7/00—Purification; Separation; Use of additives
    • C07C7/04—Purification; Separation; Use of additives by distillation
    • C07C7/05—Purification; Separation; Use of additives by distillation with the aid of auxiliary compounds
    • C07C7/08—Purification; Separation; Use of additives by distillation with the aid of auxiliary compounds by extractive distillation
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C7/00—Purification; Separation; Use of additives
    • C07C7/11—Purification; Separation; Use of additives by absorption, i.e. purification or separation of gaseous hydrocarbons with the aid of liquids

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Combustion & Propulsion (AREA)
  • Analytical Chemistry (AREA)
  • Water Supply & Treatment (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Pyrrole Compounds (AREA)

Abstract

Olefines are separated from paraffins, when gaseous by countercurrent contact with a solvent and when liquid by extractive distillation, by selectively dissolving the olefines in a solvent which is a compound having a saturated, heterocyclic, 4-6 membered ring containing nitrogen or oxygen as the hetero atom and also containing a carbonyl group, which solvent may optionally contain 1-15% by weight of water. Specified are N-methyl pyrrolidone, pyrrolidone and butyrolactone. The hydrocarbons may contain 3-12 carbon atoms and diolefines and acetylenes may also be present, these also being recovered in the solvent. The olefines are recovered by heating the solution.ALSO:Olefins are separated from paraffins by dissolving the olefins in a selective solvent which is a compound having a saturated, heterocyclic, 4-6 membered ring containing a carbonyl group and nitrogen or oxygen, which solvent may optionally contain 1%-15% by weight of water. Specified solvents are N - methylpyrrolidone, pyrrolidone, and butyrolactone. The paraffin-olefine mixtures may contain 3-12 carbon atoms per molecule and may contain diolefines and acetylenes which are also dissolved, and the separation is effected by countercurrent contact with the solvent in the case of gaseous mixtures or by extractive distillation for liquids. The olefines are recovered by heating the solution.
GB12518/60A 1959-04-11 1960-04-08 Improvements in or relating to separating paraffins and olefines Expired GB892254A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE892254X 1959-04-11

Publications (1)

Publication Number Publication Date
GB892254A true GB892254A (en) 1962-03-21

Family

ID=6846256

Family Applications (1)

Application Number Title Priority Date Filing Date
GB12518/60A Expired GB892254A (en) 1959-04-11 1960-04-08 Improvements in or relating to separating paraffins and olefines

Country Status (1)

Country Link
GB (1) GB892254A (en)

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