GB903609A - Process for removing water from a mixture comprising higher alcohols and water - Google Patents

Process for removing water from a mixture comprising higher alcohols and water

Info

Publication number
GB903609A
GB903609A GB20781/60A GB2078160A GB903609A GB 903609 A GB903609 A GB 903609A GB 20781/60 A GB20781/60 A GB 20781/60A GB 2078160 A GB2078160 A GB 2078160A GB 903609 A GB903609 A GB 903609A
Authority
GB
United Kingdom
Prior art keywords
water
hexane
alcohols
azeotrope
mixture
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
GB20781/60A
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.)
Gulf Research and Development Co
Original Assignee
Gulf Research and Development Co
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 Gulf Research and Development Co filed Critical Gulf Research and Development Co
Publication of GB903609A publication Critical patent/GB903609A/en
Expired legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C31/00—Saturated compounds having hydroxy or O-metal groups bound to acyclic carbon atoms
    • C07C31/02—Monohydroxylic acyclic alcohols
    • C07C31/10—Monohydroxylic acyclic alcohols containing three carbon atoms
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C29/00—Preparation of compounds having hydroxy or O-metal groups bound to a carbon atom not belonging to a six-membered aromatic ring
    • C07C29/74—Separation; Purification; Use of additives, e.g. for stabilisation
    • C07C29/76—Separation; Purification; Use of additives, e.g. for stabilisation by physical treatment
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C29/00—Preparation of compounds having hydroxy or O-metal groups bound to a carbon atom not belonging to a six-membered aromatic ring
    • C07C29/74—Separation; Purification; Use of additives, e.g. for stabilisation
    • C07C29/76—Separation; Purification; Use of additives, e.g. for stabilisation by physical treatment
    • C07C29/80—Separation; Purification; Use of additives, e.g. for stabilisation by physical treatment by distillation
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C29/00—Preparation of compounds having hydroxy or O-metal groups bound to a carbon atom not belonging to a six-membered aromatic ring
    • C07C29/74—Separation; Purification; Use of additives, e.g. for stabilisation
    • C07C29/76—Separation; Purification; Use of additives, e.g. for stabilisation by physical treatment
    • C07C29/86—Separation; Purification; Use of additives, e.g. for stabilisation by physical treatment by liquid-liquid treatment
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C29/00—Preparation of compounds having hydroxy or O-metal groups bound to a carbon atom not belonging to a six-membered aromatic ring
    • C07C29/74—Separation; Purification; Use of additives, e.g. for stabilisation
    • C07C29/88—Separation; Purification; Use of additives, e.g. for stabilisation by treatment giving rise to a chemical modification of at least one compound
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C31/00—Saturated compounds having hydroxy or O-metal groups bound to acyclic carbon atoms
    • C07C31/02—Monohydroxylic acyclic alcohols
    • C07C31/04—Methanol
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C31/00—Saturated compounds having hydroxy or O-metal groups bound to acyclic carbon atoms
    • C07C31/02—Monohydroxylic acyclic alcohols
    • C07C31/08—Ethanol
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C31/00—Saturated compounds having hydroxy or O-metal groups bound to acyclic carbon atoms
    • C07C31/02—Monohydroxylic acyclic alcohols
    • C07C31/12—Monohydroxylic acyclic alcohols containing four carbon atoms
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C31/00—Saturated compounds having hydroxy or O-metal groups bound to acyclic carbon atoms
    • C07C31/02—Monohydroxylic acyclic alcohols
    • C07C31/125—Monohydroxylic acyclic alcohols containing five to twenty-two carbon atoms

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)

Abstract

Water is removed from a mixture comprising alcohols having 2 or more carbon atoms and water by extracting the mixture with hexane and separating hexane from the extract obtained, thereby recovering the alcohols. The process is particularly useful for purifying the mixture of higher alcohols obtained as a result of the partial oxidation of normally gaseous hydrocarbons such as propane. The formaldehyde and acetaldehyde present in such a mixture are separated first. The resulting mixture may then be subjected to hydrogenation and the methanol present may be separated by fractionating the resulting mixture at a temperature of about 71-77 DEG C. The remainder is extracted with hexane and preferably the extract is fractionated to recover substantially water-free alcohols and an azeotrope containing water, hexane and a small amount of higher alcohols. To recover the alcohols from the azeotrope water is added and a part of the alcohol and hexane recovered from the azeotrope may then be returned to the zone in which the azeotrope is found. The remaining hexane and alcohol can be recycled to the hexane extractor. The remaining water, hexane and the higher alcohols in the azeotrope and the added water are combined with water from the hexane extract and sent to a water stripper. After removing most of the water the remainder of the material in the stripper, which includes alcohols, hexane and some water, is recycled to the zone in which the azeotrope is formed.
GB20781/60A 1959-08-03 1960-06-14 Process for removing water from a mixture comprising higher alcohols and water Expired GB903609A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US83121959A 1959-08-03 1959-08-03

Publications (1)

Publication Number Publication Date
GB903609A true GB903609A (en) 1962-08-15

Family

ID=25258566

Family Applications (1)

Application Number Title Priority Date Filing Date
GB20781/60A Expired GB903609A (en) 1959-08-03 1960-06-14 Process for removing water from a mixture comprising higher alcohols and water

Country Status (1)

Country Link
GB (1) GB903609A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3941852A (en) * 1971-06-09 1976-03-02 Hoffmann-La Roche Inc. Synthesis of 2-methyl-3-buten-2-ol
US3988382A (en) * 1971-06-09 1976-10-26 Hoffmann-La Roche Inc. Synthesis of 2-methyl-3-buten-2-ol
US4260836A (en) * 1980-01-10 1981-04-07 Sidney Levy Solvent extraction of alcohols from water solutions with fluorocarbon solvents

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3941852A (en) * 1971-06-09 1976-03-02 Hoffmann-La Roche Inc. Synthesis of 2-methyl-3-buten-2-ol
US3988382A (en) * 1971-06-09 1976-10-26 Hoffmann-La Roche Inc. Synthesis of 2-methyl-3-buten-2-ol
US4260836A (en) * 1980-01-10 1981-04-07 Sidney Levy Solvent extraction of alcohols from water solutions with fluorocarbon solvents

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