GB566025A - Improvements relating to the dehydration of aliphatic alcohols - Google Patents

Improvements relating to the dehydration of aliphatic alcohols

Info

Publication number
GB566025A
GB566025A GB1461/42A GB146142A GB566025A GB 566025 A GB566025 A GB 566025A GB 1461/42 A GB1461/42 A GB 1461/42A GB 146142 A GB146142 A GB 146142A GB 566025 A GB566025 A GB 566025A
Authority
GB
United Kingdom
Prior art keywords
line
entrainer
alcohol
tower
water
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
GB1461/42A
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.)
Standard Oil Development Co
Original Assignee
Standard Oil 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 Standard Oil Development Co filed Critical Standard Oil Development Co
Publication of GB566025A publication Critical patent/GB566025A/en
Expired legal-status Critical Current

Links

Classifications

    • 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
    • C07C29/82—Separation; Purification; Use of additives, e.g. for stabilisation by physical treatment by distillation by azeotropic distillation

Landscapes

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

Abstract

566,025. Dehydrating alcohols. STANDARD OIL DEVELOPMENT CO. Feb. 4, 1942, No. 1461. Convention date, Dec. 27, 1940. [Class 32] Aliphatic alcohols containing from. 2-5 carbon atoms in the molecule and boiling up to 150‹ C. are dehydrated by azeotropic distillation with an entrainer comprising an aliphatic hydrocarbon having from eight to twelve carbon atoms in the molecule, particularly polymers of unsaturated hydrocarbons, e.g. iso-octane, di-isobutylene, iso-octene. A mixture of iso-propyl alcohol and water is fed through line 1 to a fractionating tower 10 to which the entrainer is admitted through line 2. The ternary vapour mixture taken off overhead is condensed in condenser 5 and passed to a separator 7 from which the upper phase comprising the entrainer, some alcohol, but little water, is refluxed to the tower 10 through line 8, while the lower aqueous layer is removed through line 9 for separation of its alcohol and entrainer contents. The dehydrated alcohol is recovered through line 11. The water layer is separated by distillation in tower 14, the alcohol and entrainer being recovered overhead and returned through line 15 to tower 10. Alternatively, the aqueous layer may be passed to a vessel 19 to which a small quantity of water is supplied through line 20 and the mixture passed to separator 22 where an upper layer of entrainer separates and is returned through line 23 to column 10.' German Specifications 142,502 and 287,897 are referred to.
GB1461/42A 1940-12-27 1942-02-04 Improvements relating to the dehydration of aliphatic alcohols Expired GB566025A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US566025XA 1940-12-27 1940-12-27

Publications (1)

Publication Number Publication Date
GB566025A true GB566025A (en) 1944-12-11

Family

ID=22005502

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1461/42A Expired GB566025A (en) 1940-12-27 1942-02-04 Improvements relating to the dehydration of aliphatic alcohols

Country Status (1)

Country Link
GB (1) GB566025A (en)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2614971A (en) * 1948-04-29 1952-10-21 Kellogg M W Co Dehydration of alcohols
WO2012016250A1 (en) 2010-07-26 2012-02-02 Van Dung Duong Procces for producing motor fuel from gasoline and ethanol, and motor fuel produced by this procces
CN106905114A (en) * 2015-12-23 2017-06-30 中国石油天然气股份有限公司 A kind of method and device of aqueous acetone hydrogenation products separating isopropanol
CN106905115A (en) * 2015-12-23 2017-06-30 中国石油天然气股份有限公司 A kind of method and device of aqueous acetone hydrogenation products separating isopropanol
CN113968773A (en) * 2021-11-15 2022-01-25 江苏三贵资源再生有限公司 Method for separating isopropanol and water by extractive distillation

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2614971A (en) * 1948-04-29 1952-10-21 Kellogg M W Co Dehydration of alcohols
WO2012016250A1 (en) 2010-07-26 2012-02-02 Van Dung Duong Procces for producing motor fuel from gasoline and ethanol, and motor fuel produced by this procces
CN106905114A (en) * 2015-12-23 2017-06-30 中国石油天然气股份有限公司 A kind of method and device of aqueous acetone hydrogenation products separating isopropanol
CN106905115A (en) * 2015-12-23 2017-06-30 中国石油天然气股份有限公司 A kind of method and device of aqueous acetone hydrogenation products separating isopropanol
CN113968773A (en) * 2021-11-15 2022-01-25 江苏三贵资源再生有限公司 Method for separating isopropanol and water by extractive distillation

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