GB442051A - Process and apparatus for azeotropic drying of alcohols or ketones - Google Patents

Process and apparatus for azeotropic drying of alcohols or ketones

Info

Publication number
GB442051A
GB442051A GB3596/35A GB359635A GB442051A GB 442051 A GB442051 A GB 442051A GB 3596/35 A GB3596/35 A GB 3596/35A GB 359635 A GB359635 A GB 359635A GB 442051 A GB442051 A GB 442051A
Authority
GB
United Kingdom
Prior art keywords
liquid
dried
column
vessel
condenser
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
GB3596/35A
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 Company of California
Original Assignee
Standard Oil Company of California
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 Company of California filed Critical Standard Oil Company of California
Priority to GB3596/35A priority Critical patent/GB442051A/en
Publication of GB442051A publication Critical patent/GB442051A/en
Expired legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D3/00—Distillation or related exchange processes in which liquids are contacted with gaseous media, e.g. stripping
    • B01D3/34—Distillation or related exchange processes in which liquids are contacted with gaseous media, e.g. stripping with one or more auxiliary substances
    • B01D3/36—Azeotropic 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
    • C07C29/80—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
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C45/00—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds
    • C07C45/78—Separation; Purification; Stabilisation; Use of additives
    • C07C45/81—Separation; Purification; Stabilisation; Use of additives by change in the physical state, e.g. crystallisation
    • C07C45/82—Separation; Purification; Stabilisation; Use of additives by change in the physical state, e.g. crystallisation by distillation
    • C07C45/84—Separation; Purification; Stabilisation; Use of additives by change in the physical state, e.g. crystallisation by distillation by azeotropic distillation

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Extraction Or Liquid Replacement (AREA)

Abstract

<PICT:0442051/IV/1> In the dehydration of alcohols or ketones wherein the liquid is vaporized in a still 13 connected with a reflux column 9 from which substantially dehydrated liquid is returned to the still and the vapours from which are condensed in a condenser 11 and are collected in a stratifying and decanting vessel 1, the liquid to be dried is passed into the vessel 1 by a pipe line 2 before entering the column. A non-water-miscible volatile solvent of the liquid to be dried is introduced by a pipe line 4 to the same vessel and of the two liquid layers formed the lower, containing a large proportion of the water, is discarded and the upper, comprising mainly a mixture of the reflux liquid with the liquid to be dried is returned through pipe 8 to the top of the fractionating column. The dried liquid passes off as vapour to a condenser 19. Suitable liquids to be dried comprise secondary butyl alcohol, tertiary butyl alcohol, methyl ethyl ketone, isopropyl alcohol; and suitable refluxing liquids comprise petroleum ether, pentanes, hexanes, heptanes and benzol.ALSO:<PICT:0442051/III/1> In the dehydration of alcohols wherein the liquid is vaporized in a still 13 connected with a reflux column 9 from which substantially dehydrated liquid is returned to the still and the vapours from which are condensed in a condenser 11 and are collected in a stratifying and decanting vessel 1, the liquid to be dried is passed into the vessel 1 by a pipe line 2 before entering the column. A non-water-miscible volatile solvent of the liquid to be dried is introduced by a pipe line 4 to the same vessel and of the two liquid layers formed the lower, containing a large proportion of the water, is discarded and the upper comprising mainly a mixture of the reflux liquid with the liquid to be dried is returned through pipe 8 to the top of the fractionating column. The dried liquid passes off as vapour to a condenser 19. Suitable liquids to be dried comprise secondary butyl alcohol, tertiary butyl alcohol, methyl ethyl ketone, isopropyl alcohol; and suitable refluxing liquids comprise petroleum ether, pentanes, hexanes, heptanes and benzol.
GB3596/35A 1935-02-04 1935-02-04 Process and apparatus for azeotropic drying of alcohols or ketones Expired GB442051A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB3596/35A GB442051A (en) 1935-02-04 1935-02-04 Process and apparatus for azeotropic drying of alcohols or ketones

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB3596/35A GB442051A (en) 1935-02-04 1935-02-04 Process and apparatus for azeotropic drying of alcohols or ketones

Publications (1)

Publication Number Publication Date
GB442051A true GB442051A (en) 1936-01-31

Family

ID=9761308

Family Applications (1)

Application Number Title Priority Date Filing Date
GB3596/35A Expired GB442051A (en) 1935-02-04 1935-02-04 Process and apparatus for azeotropic drying of alcohols or ketones

Country Status (1)

Country Link
GB (1) GB442051A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2684934A (en) * 1949-08-20 1954-07-27 Stanolind Oil & Gas Co Process for drying methyl ethyl ketone
US2695867A (en) * 1950-01-27 1954-11-30 Stone & Webster Eng Corp Combination extraction and distillation process
WO1996017665A1 (en) * 1994-12-06 1996-06-13 Imperial Chemical Industries Plc Separation process

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2684934A (en) * 1949-08-20 1954-07-27 Stanolind Oil & Gas Co Process for drying methyl ethyl ketone
US2695867A (en) * 1950-01-27 1954-11-30 Stone & Webster Eng Corp Combination extraction and distillation process
WO1996017665A1 (en) * 1994-12-06 1996-06-13 Imperial Chemical Industries Plc Separation process

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